Processing rewind_crack_discovery.jsonl...
I have an application that I was using to record my screen so I can check it later. And recently they sunset the process, the product, and unfortunately they decided, probably because they don't want to deal with support, they decided to turn off the recording feature, and I want to figure out how can I turn it back on. Maybe I can do it somehow through the settings. Please help me with that. here settings /Users/igortarasenko/Library/Preferences/com.memoryvault.MemoryVault.plist /Users/igortarasenko/Library/Logs/Rewind /Applications/Rewind.app /Users/igortarasenko/Library/HTTPStorages/com.memoryvault.MemoryVault
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plutil -convert xml1 -o - /Users/igortarasenko/Library/Preferences/com.memoryvault.MemoryVault.plist 2>/dev/null || cat /Users/igortarasenko/Library/Preferences/com.memoryvault.MemoryVault.plistClick to view output
<?xml version=\\
<observation> <type>discovery</type> <title>Rewind Application Configuration State Revealed</title> <subtitle>Examined MemoryVault preferences file to identify current recording settings and application state.</subtitle> <facts> <fact>The `recordOnLaunch` setting is currently set to `true` in the preferences file</fact> <fact>Audio recording settings are disabled: `recordAudioOnLaunch`, `recordMicrophoneAudioOnLaunch`, and `recordSpeakerAudioOnLaunch` all set to `false`</fact> <fact>Application version is 1.5460 (build 15460.1) with automatic updates enabled</fact> <fact>User account email is tarasenko.igor.v@gmail.com with completed onboarding status</fact> <fact>Retention period is set to "Forever" for recorded data</fact> <fact>The application is configured to launch at login with `launchAtLogin: true`</fact> </facts> <narrative>The Rewind (MemoryVault) application's preference file was examined to understand the current configuration state after the product was sunset. The plist file reveals that screen recording is technically configured to start on launch (`recordOnLaunch: true`), but audio recording is disabled. The application includes various keyboard shortcuts for features like "Ask Rewind", screenshot capture, and meeting recording. The configuration shows the app is version 1.5460 and was last checked for updates on 2025-12-20. This discovery establishes the baseline configuration state needed to diagnose why recording might not be working despite the sunset, and provides insight into which settings may need to be modified or which application-level restrictions might be preventing the recording feature from functioning.</narrative> <concepts> <concept>how-it-works</concept> <concept>what-changed</concept> <concept>problem-solution</concept> </concepts> <files_read> <file>/Users/igortarasenko/Library/Preferences/com.memoryvault.MemoryVault.plist</file> </files_read> <files_modified> </files_modified> </observation>
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ls -la \\Click to view output
total 56\
drwxr-xr-x 3 igortarasenko admin 96 Dec 5 16:12 _CodeSignature\
drwxr-xr-x 10 igortarasenko admin 320 Dec 5 16:14 .\
drwxr-xr-x@ 3 igortarasenko admin 96 Dec 5 16:19 ..\
-rw-r--r-- 1 igortarasenko admin 2074 Dec 5 16:14 CodeResources\
-rw-r--r-- 1 igortarasenko admin 12355 Dec 5 16:12 embedded.provisionprofile\
drwxr-xr-x 3 igortarasenko admin 96 Dec 5 16:11 Frameworks\
-rw-r--r-- 1 igortarasenko admin 2515 Dec 5 16:12 Info.plist\
drwxr-xr-x 3 igortarasenko admin 96 Dec 5 16:12 MacOS\
-rw-r--r-- 1 igortarasenko admin 8 Dec 5 16:11 PkgInfo\
drwxr-xr-x 16 igortarasenko admin 512 Dec 5 16:11 Resources
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ls -la /Users/igortarasenko/Library/Logs/Rewind/ 2>/dev/null | head -20Click to view output
total 312\
drwxr-xr-x 4 igortarasenko staff 128 Dec 20 19:27 .\
drwx------+ 53 igortarasenko staff 1696 Dec 20 18:32 ..\
-rw-r--r--@ 1 igortarasenko staff 150230 Dec 20 19:24 com.memoryvault.MemoryVault 2025-12-20--06-27-21-098.log\
-rw-r--r-- 1 igortarasenko staff 5063 Dec 20 19:48 com.memoryvault.MemoryVault 2025-12-20--18-27-34-588.log
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I have an application that I was using to record my screen so I can check it later. And recently they sunset the process, the product, and unfortunately they decided, probably because they don't want to deal with support, they decided to turn off the recording feature, and I want to figure out how can I turn it back on. Maybe I can do it somehow through the settings. Please help me with that. here settings /Users/igortarasenko/Library/Preferences/com.memoryvault.MemoryVault.plist /Users/igortarasenko/Library/Logs/Rewind /Applications/Rewind.app /Users/igortarasenko/Library/HTTPStorages/com.memoryvault.MemoryVault
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strings \\Click to view output
_date\
_flag\
_flags\
cc_enable_arenas\
current_date\
date\
datetime\
disabled\
enabled\
flag\
flags\
hovered-date-background\
icon-recording-disabled\
icon-recording-enabled\
invalidate\
metrics-reporting-enabled\
on_update\
perform-batch-updates-fix\
quick-start-permissions-enable-accessibility-monterey\
quick-start-permissions-enable-accessibility-ventura\
quick-start-permissions-enable-microphone-restart-ventura\
quick-start-permissions-enable-microphone-ventura\
quick-start-permissions-enable-screen-recording-monterey\
quick-start-permissions-enable-screen-recording-restart-monterey\
quick-start-permissions-enable-screen-recording-restart-ventura\
quick-start-permissions-enable-screen-recording-ventura\
recording\
recording-transcribing-audio-with-rewind\
update\
updater
discovery <title>Rewind.app Binary Contains Recording Feature Flag Strings</title> Binary analysis reveals recording control flags and permission settings for screen recording functionality. Rewind.app binary contains "icon-recording-disabled" and "icon-recording-enabled" strings Screen recording permission strings exist for macOS Monterey and Ventura versions Binary includes "recording-transcribing-audio-with-rewind" feature string Extracted strings using pattern matching for feature flags, cutoff dates, and enable/disable settings Investigated the Rewind.app binary at /Applications/Rewind.app/Contents/MacOS/Rewind using strings extraction to identify potential feature flags that control recording functionality. The analysis searched for keywords related to recording, cutoff dates, and enable/disable flags. Key findings include explicit recording state icons (disabled/enabled), screen recording permission handlers for different macOS versions, and audio transcription features. This binary analysis provides clues about internal settings that might control whether recording is active or disabled following the product sunset. how-it-works what-changed /Applications/Rewind.app/Contents/MacOS/Rewind
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echo \\Click to view output
{\\
discovery <title>Rewind.app Uses LaunchDarkly for Remote Feature Flag Management</title> Application attempts to poll LaunchDarkly servers for feature flags but shows connection failures. Rewind.app uses LaunchDarkly service for remote feature flag control Connection mode is set to "polling" to retrieve feature flags from remote server Last connection failure shows "The Internet connection appears to be offline" error LaunchDarkly connection data stored in base64-encoded format in application preferences Decoded LaunchDarkly connection metadata from Rewind.app preferences reveals the application uses LaunchDarkly's feature flag service to remotely control functionality. The connection operates in polling mode, periodically checking for updated flag values from LaunchDarkly servers. The presence of connection failure logs suggests the app attempts to fetch feature flags but fails, likely because the company shut down their LaunchDarkly configuration after sunsetting the product. This explains the mechanism by which recording was disabled: remote feature flags controlled via LaunchDarkly rather than local settings alone. how-it-works why-it-exists problem-solution
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find \\Click to view output
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strings \\Click to view output
Recording disabled due to cutoff date - not toggling\
Recording disabled due to cutoff date - not starting\
Recording disabled due to cutoff date - not resuming\
Recording cutoff date reached - stopping all recording\
Recording disabled due to cutoff date - not starting audio recording\
Recording cutoff date reached - stopping audio recording\
recordingUpdateObserverCancellable\
Recording disabled due to cutoff date - skipping meeting detection setup\
icon-recording-disabled\
recordingUpdateObserverCancellable\
Recording disabled due to cutoff date - not toggling\
Recording disabled due to cutoff date - not starting\
Recording disabled due to cutoff date - not resuming\
Recording cutoff date reached - stopping all recording\
Recording disabled due to cutoff date - not starting audio recording\
Recording cutoff date reached - stopping audio recording\
recordingUpdateObserverCancellable\
Recording disabled due to cutoff date - skipping meeting detection setup\
icon-recording-disabled\
recordingUpdateObserverCancellable
discovery <title>Recording Disabled via Hardcoded Cutoff Date Mechanism</title> Binary contains cutoff date checks that prevent recording from starting, resuming, or continuing operations. Application checks cutoff date before toggling, starting, or resuming recording functionality Cutoff date triggers stop all recording operations including audio recording Meeting detection setup is skipped when cutoff date is reached Multiple recording flow points contain "Recording disabled due to cutoff date" checks Binary analysis uncovered the exact mechanism used to disable recording after product sunset: a cutoff date check implemented throughout the recording pipeline. The application validates against a cutoff date at critical points including recording toggle, start, resume, and audio recording initiation. When the cutoff date is reached, the app actively stops all recording and prevents new recordings from starting with explicit "Recording disabled due to cutoff date" logic. This confirms recording was disabled through a time-based kill switch rather than just remote feature flags, making it potentially bypassable if the cutoff date value can be modified or the checks can be circumvented. how-it-works problem-solution gotcha /Applications/Rewind.app/Contents/MacOS/Rewind
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find \\Click to view output
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strings \\Click to view output
I have an application that I was using to record my screen so I can check it later. And recently they sunset the process, the product, and unfortunately they decided, probably because they don't want to deal with support, they decided to turn off the recording feature, and I want to figure out how can I turn it back on. Maybe I can do it somehow through the settings. Please help me with that. here settings /Users/igortarasenko/Library/Preferences/com.memoryvault.MemoryVault.plist /Users/igortarasenko/Library/Logs/Rewind /Applications/Rewind.app /Users/igortarasenko/Library/HTTPStorages/com.memoryvault.MemoryVault
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find \\Click to view output
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find \\Click to view output
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mdfind \\Click to view output
/Users/igortarasenko/Library/Logs/Rewind/com.memoryvault.MemoryVault 2025-12-20--18-27-34-588.log\
/Users/igortarasenko/Library/HTTPStorages/com.memoryvault.MemoryVault\
/Users/igortarasenko/Library/Logs/Rewind/com.memoryvault.MemoryVault 2025-12-20--06-27-21-098.log\
/Users/igortarasenko/Library/Recent Files/com.memoryvault.MemoryVault.plist\
/Volumes/Box/Application Support/com.memoryvault.MemoryVault\
/Users/igortarasenko/Library/WebKit/com.memoryvault.MemoryVault
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ls -la \\Click to view output
total 126559552\
drwxr-xr-x 9 igortarasenko staff 288 Sep 15 2023 .\
drwxr-xr-x 4 igortarasenko staff 128 Jun 20 2025 ..\
-rw-r--r-- 1 igortarasenko staff 6148 Dec 20 07:20 .DS_Store\
drwxr-xr-x 24 igortarasenko staff 768 Dec 1 00:08 chunks\
-rw-r--r-- 1 igortarasenko staff 63983276032 Dec 19 01:04 db-enc.sqlite3\
-rw-r--r-- 1 igortarasenko staff 32768 Dec 20 18:36 db-enc.sqlite3-shm\
-rw-r--r-- 1 igortarasenko staff 814528152 Dec 20 18:37 db-enc.sqlite3-wal\
drwxr-xr-x 800 igortarasenko staff 25600 Dec 5 22:07 snippets\
drwxr-xr-x 4 igortarasenko staff 128 Dec 19 01:04 temp
<observation> <type>discovery</type> <title>Rewind/MemoryVault data storage located with encrypted database</title> <subtitle>Application stores recordings in 63GB encrypted SQLite database on external Box volume</subtitle> <facts> <fact>Main database file db-enc.sqlite3 is 63.9GB in size at /Volumes/Box/Application Support/com.memoryvault.MemoryVault/</fact> <fact>Database is actively in use with SQLite WAL file (814MB) and SHM file (32KB)</fact> <fact>Supporting directories include chunks (24 items), snippets (800 items), and temp folders</fact> <fact>Database file naming indicates encryption is used (db-enc.sqlite3)</fact> </facts> <narrative>The Rewind/MemoryVault screen recording application stores its data on an external Box volume with an encrypted SQLite database as the primary storage mechanism. The 63.9GB database size indicates substantial recording history. The presence of active WAL (Write-Ahead Logging) and SHM (Shared Memory) files confirms the database is currently in use. The architecture includes separate directories for chunks and snippets, suggesting the application breaks recordings into smaller pieces for storage and retrieval. This storage structure will be critical for understanding how to re-enable recording functionality.</narrative> <concepts> <concept>how-it-works</concept> <concept>pattern</concept> </concepts> <files_read> <file>/Volumes/Box/Application Support/com.memoryvault.MemoryVault/</file> </files_read> <files_modified></files_modified> </observation>
💻 Terminal Execution
strings \\Click to view output
accessibility-heading-level\
action_closure_key\
app-icon-safari\
ask-rewind-reply\
brand-border-outline\
brand-facet-selected\
calendar-get-started\
calendar-permissions-denied\
calendar-section-background\
calendar-section-border\
calendar-setup-permissions\
calendar-sync-faq\
calendar-window-background\
can_contain_func\
case_sensitive_like\
cc_enable_arenas\
cc_generic_services\
cell_size_check\
cipher_add_random\
cipher_default_compatibility\
cipher_default_settings\
cipher_fips_status\
cipher_hmac_algorithm\
cipher_hmac_pgno\
cipher_integrity_check\
cipher_kdf_algorithm\
cipher_log_level\
cipher_memory_security\
cipher_page_size\
cipher_provider_version\
cipher_store_pass\
cipher_use_hmac\
cloud-multi-device\
cmark_chunk_ltrim\
cmark_chunk_rtrim\
cmark_event_type\
cmark_footnote_create\
cmark_html_renderer\
cmark_iter_next\
cmark_map_entry\
cmark_node_type\
cmark_reference_create\
cmark_strbuf_grow\
cmark_syntax_extension\
commonmark_escape_func\
commonmark_render_func\
contains_inlines_func\
conversation-welcome-message\
copy-with-citations\
default_cache_size
<observation> <type>discovery</type> <title>Application binary reveals feature flags and SQLCipher configuration</title> <subtitle>Binary strings analysis uncovered potential feature toggles and database encryption settings</subtitle> <facts> <fact>Rewind application binary at /Applications/Rewind.app/Contents/MacOS/Rewind contains extractable configuration keys</fact> <fact>Database uses SQLCipher encryption with configurable settings including cipher_kdf_algorithm, cipher_use_hmac, and cipher_page_size</fact> <fact>Feature-related keys found include calendar-sync-faq, cloud-multi-device, ask-rewind-reply, and copy-with-citations</fact> <fact>Application includes accessibility, calendar permissions, and brand theming configuration options</fact> </facts> <narrative>String analysis of the Rewind binary revealed the application's internal configuration structure and confirmed SQLCipher usage for database encryption. The presence of multiple cipher_* configuration keys explains how the encrypted db-enc.sqlite3 database is secured. Feature flag patterns suggest the application uses hyphenated naming conventions for UI features and settings. This discovery provides insight into how the application might be configured to enable or disable functionality, which is relevant to re-enabling the sunset recording feature. The keys suggest a sophisticated application with calendar integration, cloud sync, and AI-powered features like "ask-rewind".</narrative> <concepts> <concept>how-it-works</concept> <concept>pattern</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified></files_modified> </observation>
💻 Terminal Execution
find \\Click to view output
/Volumes/Box/Application Support/com.memoryvault.MemoryVault/db-enc.sqlite3-shm\
/Volumes/Box/Application Support/com.memoryvault.MemoryVault/db-enc.sqlite3\
/Volumes/Box/Application Support/com.memoryvault.MemoryVault/db-enc.sqlite3-wal
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strings \\Click to view output
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strings \\Click to view output
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defaults find cutoff 2>/dev/null; defaults find Cutoff 2>/dev/null | head -20Click to view output
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nm \\Click to view output
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strings \\Click to view output
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cat \\Click to view output
2025-12-20 17:35:08 +0000 INFO [RWFeatureFlags.read(_:shouldLog:):128]: Got value \\
<observation> <type>discovery</type> <title>Recording disabled by cutoff date check in application code</title> <subtitle>Application logs reveal hardcoded cutoff date preventing RecordingController from starting or resuming recordings</subtitle> <facts> <fact>RecordingController class checks cutoff date and blocks start() and resume() methods with message "Recording disabled due to cutoff date"</fact> <fact>MeetingCoordinator also checks cutoff date and skips meeting detection setup when cutoff is reached</fact> <fact>Application uses RWFeatureFlags system with feature flags like askrewind-2.0 and perform-batch-updates-fix</fact> <fact>Log entries from 2025-12-20 show recording attempts blocked at multiple points: start, resume, and meeting detection</fact> </facts> <narrative>The Rewind application logs conclusively show why recording stopped working - the application contains cutoff date logic that prevents recording from functioning. The RecordingController class performs this check in both start() and resume() methods, immediately returning without action when the cutoff date is reached. Similarly, the MeetingCoordinator skips setup entirely. This is a deliberate shutdown mechanism implemented by the developers, not a configuration setting. The application also uses a feature flag system (RWFeatureFlags) which reads boolean values for various features, but the cutoff date appears to be separate from the feature flag system. To re-enable recording, the cutoff date check would need to be bypassed or removed from the application binary.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> <concept>gotcha</concept> </concepts> <files_read> <file>/Users/igortarasenko/Library/Logs/Rewind/com.memoryvault.MemoryVault 2025-12-20--06-27-21-098.log</file> </files_read> <files_modified></files_modified> </observation>
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grep -r \\Click to view output
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strings \\Click to view output
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strings \\Click to view output
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I have an application that I was using to record my screen so I can check it later. And recently they sunset the process, the product, and unfortunately they decided, probably because they don't want to deal with support, they decided to turn off the recording feature, and I want to figure out how can I turn it back on. Maybe I can do it somehow through the settings. Please help me with that. here settings /Users/igortarasenko/Library/Preferences/com.memoryvault.MemoryVault.plist /Users/igortarasenko/Library/Logs/Rewind /Applications/Rewind.app /Users/igortarasenko/Library/HTTPStorages/com.memoryvault.MemoryVault
💻 Terminal Execution
strings \\Click to view output
disabled\
enabled\
icon-recording-disabled\
icon-recording-enabled\
metrics-reporting-enabled\
quick-start-permissions-enable-accessibility-monterey\
quick-start-permissions-enable-accessibility-ventura\
quick-start-permissions-enable-microphone-restart-ventura\
quick-start-permissions-enable-microphone-ventura\
quick-start-permissions-enable-screen-recording-monterey\
quick-start-permissions-enable-screen-recording-restart-monterey\
quick-start-permissions-enable-screen-recording-restart-ventura\
quick-start-permissions-enable-screen-recording-ventura\
recording\
recording-transcribing-audio-with-rewind
<observation> <type>discovery</type> <title>Recording-related configuration keys extracted from Rewind.app binary</title> <subtitle>Binary analysis revealed potential configuration keys controlling recording feature and system permissions</subtitle> <facts> <fact>strings command extracted text patterns from /Applications/Rewind.app/Contents/MacOS/Rewind binary</fact> <fact>Found state control keys: "disabled", "enabled", "recording", "icon-recording-disabled", "icon-recording-enabled"</fact> <fact>Discovered platform-specific screen recording permission keys for macOS Monterey and Ventura</fact> <fact>Located metrics-reporting-enabled key suggesting additional toggleable features</fact> </facts> <narrative>The Rewind.app binary was analyzed to identify configuration keys that might control the recording feature disabled during product sunset. Using strings extraction with pattern matching for recording-related terms, multiple relevant keys were discovered including state toggles (disabled/enabled), UI icon states (icon-recording-disabled/enabled), and macOS version-specific permission keys for screen recording, accessibility, and microphone access on Monterey and Ventura. These keys represent potential levers for re-enabling the recording functionality through configuration file manipulation.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
otool -l \\Click to view output
/Applications/Rewind.app/Contents/MacOS/Rewind (architecture x86_64):\
Load command 0\
cmd LC_SEGMENT_64\
cmdsize 72\
segname __PAGEZERO\
vmaddr 0x0000000000000000\
vmsize 0x0000000100000000\
fileoff 0\
filesize 0\
maxprot 0x00000000\
initprot 0x00000000\
nsects 0\
flags 0x0\
Load command 1\
cmd LC_SEGMENT_64\
cmdsize 2072\
segname __TEXT\
vmaddr 0x0000000100000000\
vmsize 0x00000000011e0000\
fileoff 0\
filesize 18743296\
maxprot 0x00000005\
initprot 0x00000005\
nsects 25\
flags 0x0\
Section\
sectname __text\
segname __TEXT\
addr 0x0000000100003540\
size 0x0000000000f60270\
offset 13632\
align 2^4 (16)\
reloff 0\
nreloc 0\
flags 0x80000400\
reserved1 0\
reserved2 0\
Section\
sectname __stubs\
segname __TEXT\
addr 0x0000000100f637b0\
size 0x0000000000004296\
offset 16136112\
align 2^1 (2)\
reloff 0\
nreloc 0\
flags 0x80000408\
reserved1 0 (index into indirect symbol table)\
reserved2 6 (size of stubs)\
Section
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plutil -convert xml1 -o - \\Click to view output
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strings \\Click to view output
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defaults read com.memoryvault.MemoryVault 2>/dev/null | grep -E \\Click to view output
\\
<observation> <type>discovery</type> <title>Current Rewind app configuration and recording settings extracted</title> <subtitle>User preferences reveal recording controls including recordOnLaunch and audio recording flags</subtitle> <facts> <fact>recordOnLaunch is set to 1 (enabled) in com.memoryvault.MemoryVault preferences</fact> <fact>Audio recording flags are all disabled: recordAudioOnLaunch=0, recordMicrophoneAudioOnLaunch=0, recordSpeakerAudioOnLaunch=0</fact> <fact>audioRecordingChoice is set to "Microphone and speaker audio" showing user's preference</fact> <fact>LaunchDarkly feature flag identifiers found: ldDeviceIdentifier and ldGeneratedContextKey:device</fact> <fact>App is configured to launchAtLogin=1 and hasCompletedOnboarding=1</fact> </facts> <narrative>The macOS user defaults for com.memoryvault.MemoryVault were queried to reveal current configuration state. Key recording settings were identified including recordOnLaunch (enabled), and separate audio recording flags for microphone and speaker (all disabled). The presence of LaunchDarkly device identifiers suggests the app uses feature flagging for remote feature control, which is likely how the recording feature was disabled during product sunset. The configuration shows the app is set to record screen on launch but not audio, with user preferences stored locally in the plist file.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> </concepts> <files_read> <file>/Users/igortarasenko/Library/Preferences/com.memoryvault.MemoryVault.plist</file> </files_read> <files_modified> </files_modified> </observation>
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ls -la \\Click to view output
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find \\Click to view output
/Users/igortarasenko/Library/Preferences/com.launchdarkly.client.X35+6+kkrwIMqzRZDHyxezsqjizBZbbxTADyKoHmkIo=.AmbpBWnkuTgbRRhkadGx57XvAzVjAUiljSKf1xaCLE8=.plist\
/Users/igortarasenko/Library/Preferences/com.launchdarkly.client.Ktz4m22IY00pHXyEwvSf\
/Users/igortarasenko/Library/Preferences/com.launchdarkly.client.fWyWc7nkLpK8rZ4TFtjggLxD1mclgv8lzL9pysZFROg=.ARBAsE3p3BQnvCsM+Q7SCYcnt20NMe5+7J\
/Users/igortarasenko/Library/Containers/RVS-Riverside.fm-Mac/Data/Library/Preferences/com.launchdarkly.client.YQSfXQ+5wfwJ6+a9Nz12MD
<observation> <type>discovery</type> <title>LaunchDarkly feature flag cache files discovered in user preferences</title> <subtitle>Multiple LaunchDarkly client preference files found confirming remote feature flag control mechanism</subtitle> <facts> <fact>Found three LaunchDarkly client plist files in /Users/igortarasenko/Library/Preferences/</fact> <fact>File naming pattern uses com.launchdarkly.client prefix with encoded context keys</fact> <fact>LaunchDarkly files contain cached feature flag states controlling app behavior</fact> <fact>Discovery confirms Rewind app uses LaunchDarkly SDK for remote feature toggling</fact> </facts> <narrative>A system-wide search for LaunchDarkly files revealed multiple cached feature flag files in the user's Library/Preferences directory. These plist files store local copies of feature flags retrieved from LaunchDarkly's servers, which the Rewind app uses to control features remotely. The presence of these files confirms that the recording feature was likely disabled via LaunchDarkly feature flags when the product was sunset. These cache files represent the client-side storage of feature flag states and are potential targets for modification to re-enable disabled features without requiring server access.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> </concepts> <files_read> <file>/Users/igortarasenko/Library/Preferences/com.launchdarkly.client.X35+6+kkrwIMqzRZDHyxezsqjizBZbbxTADyKoHmkIo=.AmbpBWnkuTgbRRhkadGx57XvAzVjAUiljSKf1xaCLE8=.plist</file> <file>/Users/igortarasenko/Library/Preferences/com.launchdarkly.client.Ktz4m22IY00pHXyEwvSf</file> <file>/Users/igortarasenko/Library/Preferences/com.launchdarkly.client.fWyWc7nkLpK8rZ4TFtjggLxD1mclgv8lzL9pysZFROg=.ARBAsE3p3BQnvCsM+Q7SCYcnt20NMe5+7J</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
defaults read com.memoryvault.MemoryVault | grep -E \\Click to view output
\\
<observation> <type>discovery</type> <title>LaunchDarkly SDK key and connection data found in app preferences</title> <subtitle>Rewind app stores LaunchDarkly SDK key mob-86e6b951-4478-46d0-8b95-9df56361224e in user defaults</subtitle> <facts> <fact>LaunchDarkly mobile SDK key identified: mob-86e6b951-4478-46d0-8b95-9df56361224e</fact> <fact>com.launchDarkly.ConnectionInformationStore.connectionInformationKey contains connection state data</fact> <fact>Diagnostic cache key com.launchdarkly.DiagnosticCache.diagnosticData stores SDK telemetry</fact> <fact>Account-related encrypted data found: ai.rewind.data-account, ai.rewind.data-trial, ai.rewind.trial</fact> <fact>Device context identifier: ldGeneratedContextKey:device = D1AF81F8-9C32-4ACE-804D-48E7A7DC7FC7</fact> </facts> <narrative>Deeper inspection of com.memoryvault.MemoryVault defaults revealed the LaunchDarkly mobile SDK key (mob-86e6b951-4478-46d0-8b95-9df56361224e) used by the Rewind app for feature flag management. This client-side SDK key is critical for understanding how the app retrieves feature flags from LaunchDarkly's servers. The preferences also contain connection state information, diagnostic cache data, and encrypted account/trial data. The SDK key can be used to identify which feature flags are configured for this app and their current states, which is essential for determining which flag controls the recording feature that was disabled during product sunset.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> </concepts> <files_read> <file>/Users/igortarasenko/Library/Preferences/com.memoryvault.MemoryVault.plist</file> </files_read> <files_modified> </files_modified> </observation>
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strings \\Click to view output
https://clientstream.launchdarkly.com\
https://mobile.launchdarkly.com\
https://app.launchdarkly.com\
https://clientstream.launchdarkly.com\
https://mobile.launchdarkly.com\
https://app.launchdarkly.com
<observation> <type>discovery</type> <title>LaunchDarkly API endpoints embedded in Rewind binary</title> <subtitle>App communicates with LaunchDarkly servers via clientstream and mobile endpoints for feature flags</subtitle> <facts> <fact>Rewind app uses https://clientstream.launchdarkly.com for real-time streaming updates</fact> <fact>Mobile SDK endpoint https://mobile.launchdarkly.com used for flag retrieval</fact> <fact>Web app endpoint https://app.launchdarkly.com referenced in binary</fact> <fact>Multiple endpoint references suggest fallback or different connection modes</fact> </facts> <narrative>The Rewind binary contains hardcoded LaunchDarkly API endpoints used for feature flag communication. The clientstream endpoint provides real-time streaming of flag changes, while the mobile endpoint serves initial flag data for mobile/client SDKs. This architecture means the app constantly checks with LaunchDarkly servers for feature flag updates, allowing the vendor to remotely disable features like recording without app updates. Blocking these endpoints or modifying local flag cache files could prevent the app from receiving remote disable commands.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified> </files_modified> </observation>
I have an application that I was using to record my screen so I can check it later. And recently they sunset the process, the product, and unfortunately they decided, probably because they don't want to deal with support, they decided to turn off the recording feature, and I want to figure out how can I turn it back on. Maybe I can do it somehow through the settings. Please help me with that. here settings /Users/igortarasenko/Library/Preferences/com.memoryvault.MemoryVault.plist /Users/igortarasenko/Library/Logs/Rewind /Applications/Rewind.app /Users/igortarasenko/Library/HTTPStorages/com.memoryvault.MemoryVault
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plutil -convert xml1 -o - \\Click to view output
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plutil -convert xml1 -o - \\Click to view output
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file \\Click to view output
/Users/igortarasenko/Library/Preferences/com.launchdarkly.client.fWyWc7nkLpK8rZ4TFtjggLxD1mclgv8lzL9pysZFROg=.ARBAsE3p3BQnvCsM+Q7SCYcnt20NMe5+7J: directory\
/Users/igortarasenko/Library/Preferences/com.launchdarkly.client.Ktz4m22IY00pHXyEwvSf: directory\
/Users/igortarasenko/Library/Preferences/com.launchdarkly.client.X35+6+kkrwIMqzRZDHyxezsqjizBZbbxTADyKoHmkIo=.AmbpBWnkuTgbRRhkadGx57XvAzVjAUiljSKf1xaCLE8=.plist: Apple binary property list
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defaults read com.launchdarkly.client 2>/dev/null | head -100Click to view output
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ls -la \\Click to view output
total 0\
drwx------@ 3 igortarasenko staff 96 Jul 26 2023 .\
drwx------+ 807 igortarasenko staff 25824 Dec 20 20:04 ..\
drwx------@ 3 igortarasenko staff 96 Jul 26 2023 o0IGmKlZd9IqT
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plutil -p \\Click to view output
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find \\Click to view output
bplist00�\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007\\b_\\u00103flags-L+nu5Rnv5SQqy2OwZsX3BT7WvSc7C0/fBqaLesOlCBw=$_\\u0010\\u0011ld-cache-metadata_\\u00103flags-WYf3s5RcAY0hK9kdnGt1ZvIpOrAr/H6VLGSmAdUOA7A=$_\\u0010\\u000fcached-contextsO\\u0011 D{\\
<observation> <type>discovery</type> <title>LaunchDarkly Feature Flag Cache Discovered</title> <subtitle>Rewind application uses LaunchDarkly for remote feature control with cached flags in local storage</subtitle> <facts> <fact>LaunchDarkly cache located at ~/Library/Preferences/com.launchdarkly.client.Ktz4m22IY00pHXyEwvSf/o0IGmKlZd9IqT/</fact> <fact>Cache contains binary plist with JSON feature flags including metrics-reporting-enabled, enable-user-authentication, cloud-storage, sync, and audio-transcription</fact> <fact>Most features are disabled (false values) including sync, cloud-storage, media-encryption, and user-authentication</fact> <fact>Active features include audio-transcription (true), whisper-coreml (true), daily-recap (true), and askrewind-2.0 (true)</fact> <fact>Cache timestamps show data from July 2023 and June 2024</fact> </facts> <narrative>The Rewind/MemoryVault application uses LaunchDarkly as its feature flag system to control functionality remotely. The local cache file reveals over 20 feature flags that control various capabilities like cloud storage, sync, encryption, authentication, and audio processing. The cache shows that most premium/cloud features are disabled (set to false), while core local features like audio transcription and AI capabilities (askrewind-2.0) remain enabled. This discovery is critical for understanding how the company disabled recording functionality - likely through LaunchDarkly feature flags that can be cached locally even after the remote service is discontinued.</narrative> <concepts> <concept>how-it-works</concept> <concept>why-it-exists</concept> <concept>pattern</concept> </concepts> <files_read> <file>/Users/igortarasenko/Library/Preferences/com.launchdarkly.client.Ktz4m22IY00pHXyEwvSf/o0IGmKlZd9IqT/[cache-file]</file> </files_read> <files_modified> </files_modified> </observation>
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xxd \\Click to view output
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strings \\Click to view output
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echo \\Click to view output
pTO��9)}7\
����!\
�Lϴ2D\
��x��v��\
~@e�\
��jCx^i��\
��9}_u\
�EoU\
ۺ�(=^\
1�V�K�m�*b�\
��'C�8\
�yZ�`\
��uGA�f\
�鬧�3��j\
R4�/\
����J\
���6Ḥ\\\\�1\
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�]&�\
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�I%�\
,H�[��u�\
A)0J0�-B�\
B{?*�'�W���|\
�z��NW\
���Vv�{�u�vU\
m~[�
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strings \\Click to view output
gpt-4o-2024-08-06\
gpt-4o-2024-08-06
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strings \\Click to view output
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nm \\Click to view output
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strings \\Click to view output
lastFrameCreatedAt\
loginWindowWasPresentAt\
watchdogTimer\
metalDiffers\
Toggling capture\
Recording disabled due to cutoff date - not toggling\
Stopping recording (persisting recordOnLaunch)\
Pause called when already not capturing\
Stopping capture\
meetingCoordinatorIsObserving\
recordedTimeInSecs\
--\
screenshotsWithFrontWindowRatio\
startedAtSessionLength\
lastCaptureEnqueuedAt\
lastCaptureDuration\
Starting recording (persisting recordOnLaunch)\
Recording disabled due to cutoff date - not starting\
resume(forceResume:)\
Resume called when not recording\
Resume called when not ready\
Starting capture\
Starting desktop capture\
nominalConcurrentTasksLevel\
Resuming with concurrent tasks\
Resume called when screen is asleep\
Capture timer is defined when not capturing\
Resume called when already capturing\
Recording disabled due to cutoff date - not resuming\
enableWatchdogTimer()
<observation> <type>discovery</type> <title>Hardcoded Recording Cutoff Date Mechanism Found</title> <subtitle>Application binary contains multiple cutoff date checks that prevent starting, toggling, or resuming recordings</subtitle> <facts> <fact>Rewind binary at /Applications/Rewind.app/Contents/MacOS/Rewind contains hardcoded string "Recording disabled due to cutoff date - not toggling"</fact> <fact>Additional cutoff checks found for "not starting" and "not resuming" recording operations</fact> <fact>Cutoff date logic integrated into core recording control flow including toggle(), start(), and resume() functions</fact> <fact>Recording control flow includes states for lastFrameCreatedAt, loginWindowWasPresentAt, watchdogTimer, and capture timing</fact> </facts> <narrative>The Rewind application implements a hardcoded cutoff date mechanism that blocks all recording operations. Three distinct error messages reveal that the cutoff check prevents toggling recording on/off, starting new recordings, and resuming paused recordings. This cutoff logic is deeply integrated into the recording lifecycle, appearing alongside legitimate recording state checks like screen sleep detection and capture timer management. The presence of these hardcoded strings confirms that the company disabled the recording feature through application code changes rather than just server-side flags, making it difficult to bypass through configuration changes alone.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> <concept>gotcha</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified> </files_modified> </observation>
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https://www.rewind.ai/changelog\
http://citation.rewind.ai/\
https://citation.rewind.ai/\
mailto:participant1@rewind.ai\
participant1@rewind.ai\
mailto:participant2@rewind.ai\
participant2@rewind.ai\
https://intent-disclaimer.rewind.ai.com\
Powered by rewind.ai\
https://www.rewind.ai/changelog\
http://citation.rewind.ai/\
https://citation.rewind.ai/\
mailto:participant1@rewind.ai\
participant1@rewind.ai\
mailto:participant2@rewind.ai\
participant2@rewind.ai\
https://intent-disclaimer.rewind.ai.com\
Powered by rewind.ai
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defaults read com.memoryvault.MemoryVault | grep -E \\Click to view output
\\
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grep -r \\Click to view output
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Why is patching requires disabling sap?
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head -200 \\Click to view output
2025-12-20 06:27:21 +0000 INFO [ResourceUsageMonitor.sendAnalytics():367]: Sending analytics data\
2025-12-20 06:27:21 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:28:22 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):349]: Writing deferred frames in activity: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity [fullBatchOnly=false]\
2025-12-20 06:28:22 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):373]: Writing deferred frames complete: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity with status: NSBackgroundActivityResult(rawValue: 1)\
2025-12-20 06:29:39 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:31:58 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:34:16 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:34:26 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):349]: Writing deferred frames in activity: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity [fullBatchOnly=false]\
2025-12-20 06:34:26 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):373]: Writing deferred frames complete: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity with status: NSBackgroundActivityResult(rawValue: 1)\
2025-12-20 06:36:33 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:38:53 +0000 INFO [ResourceUsageMonitor.sendAnalytics():367]: Sending analytics data\
2025-12-20 06:38:53 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:40:12 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):349]: Writing deferred frames in activity: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity [fullBatchOnly=false]\
2025-12-20 06:40:12 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):373]: Writing deferred frames complete: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity with status: NSBackgroundActivityResult(rawValue: 1)\
2025-12-20 06:41:11 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:43:30 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:45:12 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):349]: Writing deferred frames in activity: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity [fullBatchOnly=false]\
2025-12-20 06:45:12 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):373]: Writing deferred frames complete: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity with status: NSBackgroundActivityResult(rawValue: 1)\
2025-12-20 06:45:48 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:47:43 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):349]: Writing deferred frames in activity: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity [fullBatchOnly=false]\
2025-12-20 06:47:43 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):373]: Writing deferred frames complete: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity with status: NSBackgroundActivityResult(rawValue: 1)\
2025-12-20 06:48:04 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:50:20 +0000 INFO [ResourceUsageMonitor.sendAnalytics():367]: Sending analytics data\
2025-12-20 06:50:20 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:52:33 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):349]: Writing deferred frames in activity: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity [fullBatchOnly=false]\
2025-12-20 06:52:33 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):373]: Writing deferred frames complete: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity with status: NSBackgroundActivityResult(rawValue: 1)\
2025-12-20 06:52:34 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:54:50 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:57:05 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 06:57:26 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):349]: Writing deferred frames in activity: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity [fullBatchOnly=false]\
2025-12-20 06:57:26 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):373]: Writing deferred frames complete: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity with status: NSBackgroundActivityResult(rawValue: 1)\
2025-12-20 06:59:21 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 07:01:35 +0000 INFO [ResourceUsageMonitor.sendAnalytics():367]: Sending analytics data\
2025-12-20 07:01:35 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 07:02:26 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):349]: Writing deferred frames in activity: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity [fullBatchOnly=false]\
2025-12-20 07:02:26 +0000 INFO [FrameVideoWriterController.scheduleDeferredFrameWrite(completion:):373]: Writing deferred frames complete: com.memoryvault.MemoryVault.frameVideoWriterControllerActivity with status: NSBackgroundActivityResult(rawValue: 1)\
2025-12-20 07:03:33 +0000 INFO [StorageController.purge():699]: No purge necessary (retention period does not define an earliest date) [retentionPeriod=Forever]\
2025-12-20 07:03:33 +0000 INFO [StorageController.purge():689]: Queuing up task to delete purged files\
2025-12-20 07:03:33 +0000 INFO [StorageController.purge():691]: Attempting to delete purged files\
2025-12-20 07:03:33 +0000 INFO [StorageController.deletePurgedFiles():335]: Successfully deleted purged files\
2025-12-20 07:03:33 +0000 INFO [StorageController.purge():694]: Purge complete, UI should have updated\
2025-12-20 07:03:48 +0000 INFO [PowerSource.current:22]: On outlet power\
2025-12-20 07:05:47 +0000 INFO [UpdaterController.updater(_:didFinishLoading:):219]: didFinishLoading [versions=[\\
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Investigation into why Rewind app recording is disabled and requires disabling SIP for patching Examined Rewind/MemoryVault app logs to understand why recording stopped working. Analyzed the app's architecture including LaunchDarkly feature flag integration, cutoff date mechanism, and encrypted account data storage. Explored multiple potential solutions ranging from simple workarounds to binary patching approaches. Rewind app has a hardcoded or remotely-fetched cutoff date that disables recording when the current date exceeds it. The app uses LaunchDarkly for feature flags and remote configuration. Account data is stored encrypted in ai.rewind.data-account. Binary patching to bypass date checks requires disabling System Integrity Protection (SIP) because SIP prevents modification of signed binaries and system-level code injection. The recording code still exists in the app but is gated behind the date check. Diagnostic analysis completed identifying the root cause as a cutoff date check. Four potential solution paths identified and documented: (1) system date manipulation, (2) LaunchDarkly server blocking, (3) reverting to older app version, (4) binary patching with SIP disabled. Technical explanation provided for why SIP must be disabled for binary modification approaches. <next_steps>Awaiting user decision on which solution approach to pursue. The LaunchDarkly blocking method has been proposed as the next action - backing up cache, blocking domains via /etc/hosts, clearing cache, and restarting the app to test if recording can be re-enabled.</next_steps> The user's question about "patching requires disabling SAP" refers to SIP (System Integrity Protection) needing to be disabled for binary patching. This is the most invasive solution and should be considered only after simpler approaches fail. The LaunchDarkly blocking approach offers a middle ground that doesn't require system date changes or security feature disabling.
Yeah, yes, and just before starting, do some research just in case someone already solved this problem.
Research whether someone has already solved the Rewind app cutoff date bypass problem before starting implementation work Claude clarified the technical requirements for patching the Rewind app, distinguishing between SIP and code signing requirements Code signing is the actual blocker for patching Rewind, not SIP. The app can be patched and re-signed with ad-hoc signature using codesign commands. SIP only applies to /System directory apps or debugger attachment scenarios, not regular /Applications apps like Rewind No implementation work completed yet - user requested research first to check if others have already solved this problem <next_steps>Perform research to find existing solutions for bypassing the Rewind cutoff check, then potentially proceed with binary patching approach (find date comparison logic, patch it, re-sign app)</next_steps> Technical approach is clear: patch binary date check and re-sign with codesign. User wisely wants to avoid reinventing the wheel by checking for existing solutions first
Yeah, yes, and just before starting, do some research just in case someone already solved this problem.
discovery <title>Rewind.ai Hard Shutdown on December 19, 2025</title> Research reveals Rewind.ai has programmed kill switch with no known bypass methods found online. Rewind.ai Mac app will permanently disable all screen and audio capture on December 19, 2025 The shutdown date is a hard cutoff programmed into the software itself as a kill switch No existing solutions or bypass methods were found in web search results Limitless (Rewind.ai's company) was acquired by Meta, triggering the sunset Users have until December 19, 2025 to export data before permanent account deletion Operations ceased in EU, UK, Brazil, China, Israel, South Korea, and Turkey on December 5, 2025 Research was conducted to determine if anyone has already solved the problem of bypassing Rewind.ai's shutdown. The search revealed that Limitless, the company behind Rewind.ai, was acquired by Meta and is sunsetting the Mac app. The latest software update contains a kill switch that will permanently disable all screen and audio capture capabilities on December 19, 2025. This is a hard cutoff built into the software itself. The regional restrictions (particularly in EU/UK) suggest Meta is unwilling to inherit GDPR compliance liability associated with continuous audio recording and strict consent requirements for biometric data processing. Critically, the search found no information about methods to bypass the recording being disabled, indicating this is an unsolved problem requiring original implementation rather than an adaptation of existing solutions. why-it-exists problem-solution gotcha
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discovery <title>Open Source Alternatives to Rewind.ai and Technical Implementation Details</title> Research identified multiple open-source screen recording alternatives and revealed Rewind's technical architecture using ScreenCaptureKit. No workarounds exist to bypass Rewind.ai's December 19, 2025 shutdown Rewind used Apple's ScreenCaptureKit for screen capture with window filtering capabilities All Rewind indexing (OCR and speech-to-text) happened locally using Apple M1/M2 accelerators Rewind Helper contains a statically linked FFmpeg for video processing Retrace (macOS) can migrate existing Rewind data and provides similar functionality Screenpipe is cross-platform, privacy-first, open-source alternative with local data storage OpenRewind (macOS Apple Silicon) is GUI app taking screenshots every 2 seconds Windrecorder (Windows) records everything locally with OCR text query capabilities Agent-Pod/Efficient-Recorder focuses on battery-efficient recording to S3-compatible storage Research into workarounds for the Rewind.ai shutdown revealed that no methods exist to bypass the December 19, 2025 cutoff, but uncovered important technical details and existing alternatives. Rewind's architecture used Apple's ScreenCaptureKit for screen capture, processed all indexing locally using M1/M2 accelerators, and included a statically linked FFmpeg in its helper component. The search identified several mature open-source alternatives: Retrace for macOS (which can import existing Rewind data), Screenpipe for cross-platform privacy-first recording, OpenRewind for Apple Silicon with a GUI-based approach, and Windrecorder for Windows. These alternatives demonstrate that the screen recording and searchable memory problem has been solved by the open-source community, providing potential models for implementation or direct usage. how-it-works problem-solution pattern
Retrace does not exist. This is just a website. Someone wanted to create an app, but they didn't do that.
<observation> <type>discovery</type> <title>Project Status Clarification - Website Only, No App Built</title> <subtitle>Retrace exists only as a website; planned app was never implemented</subtitle> <facts> <fact>Retrace does not exist as an application</fact> <fact>The project currently consists of only a website</fact> <fact>An app was planned or intended but was never built</fact> </facts> <narrative>User clarified the actual state of the Retrace project: despite potential plans or intentions to create an application, no app was actually built. The current deliverable is limited to a website only. This clarification establishes the baseline of what exists versus what was planned, preventing potential confusion about the project scope and deliverables.</narrative> <concepts> <concept>why-it-exists</concept> <concept>gotcha</concept> </concepts> <files_read> </files_read> <files_modified> </files_modified> </observation>
<observation> <type>discovery</type> <title>Retrace Website Content Analysis</title> <subtitle>Website describes Retrace as free macOS app for searchable screen history with Rewind migration support</subtitle> <facts> <fact>Retrace website (https://retrace.to/) describes product as macOS application for searchable screen history</fact> <fact>Website claims support for seamless migration of existing Rewind data to Retrace</fact> <fact>Installation methods documented: direct download (v0.1) or Homebrew command 'brew install --cask retrace'</fact> <fact>Retrace described as free, open-source (GPL v3), with local-only encrypted data storage</fact> <fact>System requirements listed as macOS 13.0+ with Apple Silicon, no account signup required</fact> </facts> <narrative>Web fetch of https://retrace.to/ reveals the website presents Retrace as a macOS application that captures screen activity locally and enables natural language search through screen history. The site emphasizes privacy-focused design with local data storage and encryption, no cloud services, and no account requirements. A key feature highlighted is seamless migration support for existing Rewind data, allowing users to import their screen history. The website documents v0.1 availability for macOS 13.0+ with Apple Silicon, with installation via direct download or Homebrew, and notes the project is open-source under GPL v3 license.</narrative> <concepts> <concept>how-it-works</concept> <concept>why-it-exists</concept> </concepts> <files_read> </files_read> <files_modified> </files_modified> </observation>
<observation> <type>discovery</type> <title>Rewind App Technical Architecture Analysis</title> <subtitle>Rewind uses 2-second screenshots via ScreenCaptureKit, Vision OCR, and FFmpeg H.264 compression without kill switches</subtitle> <facts> <fact>Rewind captures screenshots every 2 seconds using Apple's ScreenCaptureKit API with filtering for private browser sessions</fact> <fact>OCR performed on-device using Apple's Vision framework, the same pipeline powering Live Text</fact> <fact>Screenshots compressed to H.264 video at 0.5 fps using FFmpeg with libx264 software encoding, not hardware acceleration</fact> <fact>Data stored in ~/Library/Application Support/com.memoryvault.MemoryVault as video chunks (180 MB/hour), PNG screenshots (1-2 MB/s), and SQLite database (26 MB/hour)</fact> <fact>No kill switches or expiration dates found in Rewind architecture, designed for indefinite local operation</fact> </facts> <narrative>Technical teardown from kevinchen.co reveals Rewind's multi-layered screen capture approach: snapshots taken every 2 seconds via Apple's ScreenCaptureKit API, temporarily stored as PNGs before compression. Apple's Vision framework performs on-device OCR using the Live Text pipeline. FFmpeg compresses screenshots to H.264 video chunks at 0.5 fps using software encoding (libx264) rather than hardware acceleration, consuming significant CPU resources. Storage organized in ~/Library/Application Support/com.memoryvault.MemoryVault with three components: video chunks (180 MB/hour as timestamped MP4 files), temporary PNG screenshots (1-2 MB/s), and SQLite database (26 MB/hour for metadata, OCR results, application tracking). Critically, no kill switches or expiration mechanisms were found - architecture supports indefinite local operation without server dependencies for core functionality.</narrative> <concepts> <concept>how-it-works</concept> <concept>pattern</concept> </concepts> <files_read> </files_read> <files_modified> </files_modified> </observation>
Research Retrace as Rewind alternative and explore Rewind's technical architecture for potential patching Retrace website (https://retrace.to/) was fetched to understand product capabilities and installation methods. Technical teardown article from kevinchen.co was analyzed to understand Rewind's internal recording mechanism, data storage architecture, and presence of kill switches or date checks. Retrace website describes the product as free, open-source (GPL v3) macOS app with Rewind data import support, installable via Homebrew or direct download for macOS 13+ with Apple Silicon. Rewind's architecture uses 2-second screenshots via ScreenCaptureKit API, on-device OCR with Apple's Vision framework, and FFmpeg H.264 compression (libx264 software encoding). Data stored in ~/Library/Application Support/com.memoryvault.MemoryVault as video chunks (180 MB/hour), temporary PNGs (1-2 MB/s), and SQLite database (26 MB/hour). No kill switches found in older Rewind versions, though December 5, 2025 update (v1.5607) added cutoff functionality. Research phase completed with two potential solutions identified: Retrace migration or Rewind binary patching. Information gathered on Retrace's migration capabilities and Rewind's technical implementation details. <next_steps>User deciding between two approaches: installing Retrace with existing data migration, or proceeding with binary patching of Rewind to remove cutoff date. Awaiting user decision on which path to pursue.</next_steps> Initial clarification stated "Retrace does not exist. This is just a website," yet website documents installation methods and functionality. This suggests the website exists and describes an app, but actual app implementation status may be unclear or the app may not be fully functional despite documentation.
Retrace does not exist. This is just a website. Someone wanted to create an app, but they didn't do that.
<observation> <type>discovery</type> <title>Retrace Project Current State</title> <subtitle>Retrace currently exists only as a website; planned app was never implemented.</subtitle> <facts> <fact>Retrace currently exists only as a website, not as an application</fact> <fact>There was an intention to create an app for Retrace</fact> <fact>The planned app was never actually built or implemented</fact> </facts> <narrative>The current state of the Retrace project has been clarified: it exists only as a website at this point. While there was an intention or plan to develop an application, this app was never actually created or implemented. This establishes the baseline understanding that any app functionality would need to be built from scratch rather than modified from existing code.</narrative> <concepts> <concept>what-changed</concept> <concept>why-it-exists</concept> </concepts> <files_read> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
otool -tV \\Click to view output
00000001000ba01c add x11, x11, #0x340 ; literal pool for: \\
<observation> <type>discovery</type> <title>Rewind App Cutoff Date Mechanism</title> <subtitle>Rewind binary contains hardcoded cutoff date checks that disable recording functionality.</subtitle> <facts> <fact>Rewind.app binary contains three cutoff date-related strings preventing recording</fact> <fact>String "Recording disabled due to cutoff date - not resuming" found at address 0x1000ba01c</fact> <fact>String "Recording cutoff date reached - stopping all recording" found at address 0x1000c6dc4</fact> <fact>String "Recording disabled due to cutoff date - not starting" found at address 0x1000cb8ac</fact> <fact>Cutoff mechanism checks occur in three scenarios: startup, active recording, and resume attempts</fact> </facts> <narrative>Disassembly of the Rewind.app binary reveals a built-in cutoff date mechanism that controls recording functionality. Three distinct hardcoded error messages appear in the binary at specific memory addresses, each handling different recording states: preventing initial start, stopping active recording when the date is reached, and blocking resume attempts. This mechanism appears to be a trial or subscription enforcement feature that completely disables Rewind's core recording capability after a specific date. The discovery was made using otool to disassemble the Mach-O binary and search for "cutoff" references in the instruction stream.</narrative> <concepts> <concept>how-it-works</concept> <concept>why-it-exists</concept> <concept>gotcha</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
nm \\Click to view output
💻 Terminal Execution
otool -tV \\Click to view output
00000001000cb7e4 cmp w20, #0x2\
00000001000cb7e8 b.hi 0x1000cb968\
00000001000cb7ec mov x26, #0x20\
00000001000cb7f0 movk x26, #0xd000, lsl #48\
00000001000cb7f4 add x1, sp, #0x48\
00000001000cb7f8 mov x0, x21\
00000001000cb7fc bl 0x10000d574\
00000001000cb800 ldp x22, x27, [sp, #0x60]\
00000001000cb804 add x0, sp, #0x48\
00000001000cb808 mov x1, x22\
00000001000cb80c bl 0x10000d5b8\
00000001000cb810 mov x20, x0\
00000001000cb814 adrp x8, 3505 ; 0x100e7c000\
00000001000cb818 add x8, x8, #0xd60 ; literal pool for: \\
<observation> <type>discovery</type> <title>Rewind RecordingController Cutoff Implementation</title> <subtitle>Cutoff date validation occurs in RecordingController.swift around line 750 before starting recording.</subtitle> <facts> <fact>Cutoff date check is implemented in Rewind/RecordingController.swift</fact> <fact>The check occurs at approximately line 750 (0x2ee in hex) of RecordingController.swift</fact> <fact>Validation happens before recording starts, with error message "Recording disabled due to cutoff date - not starting"</fact> <fact>Code uses Swift string operations and bridge release calls for error message handling</fact> </facts> <narrative>Disassembly of the code preceding the cutoff date check reveals that this validation logic resides in Rewind's RecordingController.swift file, specifically around line 750. The RecordingController is the component responsible for enforcing the cutoff date restriction before allowing recording to start. The assembly shows Swift runtime calls for string handling and object lifecycle management, indicating this is part of the main Swift codebase rather than lower-level C/Objective-C code. This architectural detail confirms that recording lifecycle control, including date-based restrictions, is centralized in the RecordingController component.</narrative> <concepts> <concept>how-it-works</concept> <concept>pattern</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
strings \\Click to view output
💻 Terminal Execution
otool -tV \\Click to view output
00000001000cb748 tbnz w1, #0x0, 0x1000cb874\
00000001000cb784 b.ne 0x1000cb9d8\
00000001000cb7e4 cmp w20, #0x2\
00000001000cb7e8 b.hi 0x1000cb968\
00000001000cb838 tbnz w1, #0x0, 0x1000cb8f0\
00000001002155f0 cmp w23, #0x1\
00000001002155f4 b.ne 0x100215688\
0000000100215ae8 tbnz w1, #0x0, 0x100215c30\
0000000100215b34 b.ne 0x100216844\
0000000100215b94 cmp w20, #0x2\
0000000100215b98 b.hi 0x100215dac\
0000000100215bec tbnz w1, #0x0, 0x100215d34
<observation> <type>discovery</type> <title>Rewind Cutoff Date Control Flow Logic</title> <subtitle>State comparison against value 2 gates cutoff date validation in recording flow.</subtitle> <facts> <fact>Cutoff validation is gated by a state check comparing register w20 to value 2</fact> <fact>Branch instruction b.hi (branch if higher) at 0x1000cb7e8 skips cutoff logic when state exceeds 2</fact> <fact>Multiple test-and-branch operations (tbnz) handle error conditions in the flow</fact> <fact>Control flow pattern repeats at multiple addresses suggesting similar validation patterns</fact> </facts> <narrative>Analysis of conditional branches before the cutoff check reveals a gating mechanism that controls when cutoff validation runs. The code compares a state value (in register w20) against the constant 2, and branches away from the cutoff check if the value is higher. This suggests Rewind uses an enumerated state system (likely recording states: not started=0, starting=1, active=2, etc.) to determine when cutoff validation should occur. The test-and-branch instructions (tbnz) throughout the flow handle error conditions and edge cases. This pattern appears multiple times in the binary, indicating a consistent approach to state-based validation across different recording scenarios.</narrative> <concepts> <concept>how-it-works</concept> <concept>pattern</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
strings \\Click to view output
Recording disabled due to cutoff date - not toggling\
Recording disabled due to cutoff date - not starting\
Recording disabled due to cutoff date - not resuming\
Recording cutoff date reached - stopping all recording\
Recording disabled due to cutoff date - not starting audio recording\
Recording cutoff date reached - stopping audio recording\
Recording disabled due to cutoff date - skipping meeting detection setup\
hasSeenRecordingCutoffAlert\
hasSeenRecordingCutoffAlert\
hasSeenRecordingCutoffAlert\
Recording disabled due to cutoff date - not toggling\
Recording disabled due to cutoff date - not starting\
Recording disabled due to cutoff date - not resuming\
Recording cutoff date reached - stopping all recording\
Recording disabled due to cutoff date - not starting audio recording\
Recording cutoff date reached - stopping audio recording\
Recording disabled due to cutoff date - skipping meeting detection setup\
hasSeenRecordingCutoffAlert\
hasSeenRecordingCutoffAlert\
hasSeenRecordingCutoffAlert
<observation> <type>discovery</type> <title>Comprehensive Rewind Cutoff Date Enforcement</title> <subtitle>Cutoff mechanism blocks all recording types and tracks user notification via hasSeenRecordingCutoffAlert flag.</subtitle> <facts> <fact>Seven distinct cutoff messages cover toggling, starting, resuming, and stopping scenarios</fact> <fact>Cutoff enforcement affects screen recording, audio recording, and meeting detection features</fact> <fact>User preference key hasSeenRecordingCutoffAlert tracks whether user has been notified about cutoff</fact> <fact>Separate cutoff messages exist for audio recording start and stop operations</fact> <fact>Meeting detection setup is explicitly skipped when cutoff date is reached</fact> </facts> <narrative>The Rewind binary contains seven distinct cutoff date enforcement messages that collectively disable all recording functionality. The mechanism comprehensively blocks screen recording (toggle, start, resume, stop), audio recording (start and stop), and meeting detection setup. A preference key "hasSeenRecordingCutoffAlert" indicates the app tracks whether users have been shown an alert about the cutoff, suggesting a user-facing notification system. This reveals that the cutoff is not just a simple date check—it's a coordinated shutdown of Rewind's entire recording infrastructure across multiple subsystems, with user communication built in.</narrative> <concepts> <concept>how-it-works</concept> <concept>pattern</concept> <concept>why-it-exists</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
otool -tV \\Click to view output
0000000100215ba4 movk x27, #0xd000, lsl #48\
0000000100215ba8 mov x0, x23\
0000000100215bac mov x1, x21\
0000000100215bb0 bl 0x10000d574\
0000000100215bb4 ldp x24, x28, [x22, #0x128]\
0000000100215bb8 mov x0, x21\
0000000100215bbc mov x1, x24\
0000000100215bc0 bl 0x10000d5b8\
0000000100215bc4 mov x20, x0\
0000000100215bc8 adrp x8, 3175 ; 0x100e7c000\
0000000100215bcc add x8, x8, #0xb20 ; literal pool for: \\
<observation> <type>discovery</type> <title>Rewind Audio Recording Cutoff Implementation</title> <subtitle>AudioRecordingController.swift contains separate cutoff validation in startAudioRecording function around line 414.</subtitle> <facts> <fact>Audio recording cutoff check is in AudioRecordingController.swift around line 414</fact> <fact>Cutoff validation occurs in startAudioRecording(trigger:forceNew:forceMicOnly:) function</fact> <fact>Audio recording uses separate controller from main screen recording controller</fact> <fact>Error message "Recording disabled due to cutoff date - not starting audio recording" is displayed when cutoff prevents audio start</fact> </facts> <narrative>Disassembly reveals that Rewind implements audio recording in a separate AudioRecordingController.swift component, distinct from the RecordingController found earlier. The cutoff date validation for audio recording occurs in the startAudioRecording function (with parameters trigger, forceNew, and forceMicOnly) around line 414 of the file. This architectural separation means that cutoff enforcement is implemented independently in each recording subsystem rather than being centralized in one location. Each controller performs its own cutoff validation before starting its respective recording type, following a consistent pattern across the application.</narrative> <concepts> <concept>how-it-works</concept> <concept>pattern</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
strings \\Click to view output
_isRecordingAudio\
isRecordingAudio\
init(isRecordingSpeech:willBecomeActive:didResignActive:synchronousChecks:timerType:)\
_isRecording\
shouldRecordMeeting(continueIfWaitingForUser:currentMeetingRecordingChoice:persistentMeetingRecordingChoice:)\
Sb12shouldRecord_Sb0A8Remember\
isRecording\
isRecordingScreen\
isRecording\
isRecordingMeeting\
isRecordingMeeting\
_isRecordingAudio\
isRecordingMeeting\
_isRecording\
_isRecordingAudio\
isRecordingAudio\
init(isRecordingSpeech:willBecomeActive:didResignActive:synchronousChecks:timerType:)\
_isRecording\
shouldRecordMeeting(continueIfWaitingForUser:currentMeetingRecordingChoice:persistentMeetingRecordingChoice:)\
Sb12shouldRecord_Sb0A8Remember
<observation> <type>discovery</type> <title>Rewind Recording State Management Functions</title> <subtitle>Multiple recording type state trackers including audio, screen, meeting, and speech recording.</subtitle> <facts> <fact>Rewind tracks four distinct recording types: audio, screen, meeting, and speech</fact> <fact>State checking functions exist for each type: isRecordingAudio, isRecordingScreen, isRecordingMeeting, isRecordingSpeech</fact> <fact>Function shouldRecordMeeting includes parameters for user choice, current choice, and persistent choice</fact> <fact>Private internal state variables use underscore prefix convention (_isRecording, _isRecordingAudio)</fact> <fact>Meeting recording includes continueIfWaitingForUser parameter suggesting user confirmation workflow</fact> </facts> <narrative>String analysis reveals Rewind's recording state management architecture distinguishes between four recording types: general recording, audio recording, screen recording, meeting recording, and speech recording. Each type has corresponding state checking functions (isRecording*) with private backing variables (_isRecording*). The shouldRecordMeeting function signature indicates sophisticated meeting recording logic that considers user preferences at multiple levels—current session choice, persistent settings, and waiting states. This multi-layered recording system allows Rewind to independently control and track different capture modes, enabling granular feature control and separate cutoff enforcement per recording type.</narrative> <concepts> <concept>how-it-works</concept> <concept>pattern</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
nm \\Click to view output
💻 Terminal Execution
strings \\Click to view output
hasSeenRecordingCutoffAlert\
hasSeenRecordingCutoffAlert\
hasSeenRecordingCutoffAlert\
hasSeenRecordingCutoffAlert\
hasSeenRecordingCutoffAlert\
hasSeenRecordingCutoffAlert
💻 Terminal Execution
xxd \\Click to view output
00000190: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001190: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001900: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001910: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001920: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001930: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001940: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001950: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001960: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001970: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001980: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00001990: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
000019a0: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
000019b0: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
000019c0: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
000019d0: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
000019e0: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
000019f0: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00002190: 0000 0000 0000 0000 0000 0000 0000 0000 ................\
00003190: 0000 0000 0000 0000 0000 0000 0000 0000 ................
Retrace does not exist. This is just a website. Someone wanted to create an app, but they didn't do that.
<observation> <type>discovery</type> <title>Retrace Project Status - Website Only, No App Implementation</title> <subtitle>Retrace currently exists only as a website; the planned application was never developed.</subtitle> <facts> <fact>Retrace is currently only a website, not a functional application</fact> <fact>An application was intended but never implemented</fact> <fact>The project exists in an incomplete state relative to original plans</fact> </facts> <narrative>The actual state of the Retrace project was clarified: it exists only as a website and is not a fully developed application. While there were intentions to create an app, that development work never occurred, leaving Retrace in its current website-only form. This discovery is important for setting accurate expectations about the project's current capabilities and scope, distinguishing between what was planned versus what actually exists.</narrative> <concepts> <concept>gotcha</concept> <concept>why-it-exists</concept> </concepts> <files_read> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
# December 19, 2025 in Unix timestamp\
python3 -c \\Click to view output
1766098800
💻 Terminal Execution
# Search for the timestamp in hex (little endian and big endian)\
# 1766188800 = 0x694F5100\
hexdump -C \\Click to view output
💻 Terminal Execution
# 1766098800 in hex is 0x694DD0D0\
# Let's also check NSDate reference date (seconds since Jan 1, 2001)\
# NSDate for Dec 19, 2025 = 1766098800 - 978307200 = 787791600 = 0x2EF80C90\
python3 -c \\Click to view output
0x69448770\
0x2ef4bef0
💻 Terminal Execution
hexdump -C \\Click to view output
💻 Terminal Execution
# Look for the function structure around cutoff checks\
otool -tV \\Click to view output
00000001000cc118 mov w0, #0xf\
00000001000cc11c mov x1, x2\
00000001000cc120 mov x2, #0x20\
00000001000cc124 movk x2, #0xd000, lsl #48\
00000001000cc128 mov x3, x21\
00000001000cc12c bl 0x100e705f4 ; symbol stub for: _$sSSySsSnySS5IndexVGcig\
00000001000cc130 mov x25, x3\
00000001000cc134 bl 0x100e703c0 ; symbol stub for: _$sSS14_fromSubstringySSSshFZ\
00000001000cc138 mov x24, x0\
00000001000cc13c mov x23, x1\
00000001000cc140 mov x0, x25\
00000001000cc144 bl 0x100e74278 ; symbol stub for: _swift_bridgeObjectRelease\
00000001000cc148 b 0x1000cc1e0\
00000001000cc14c mov w23, #0x2f6e\
00000001000cc150 movk w23, #0x61, lsl #16\
00000001000cc154 mov x22, #-0x1d00000000000000\
00000001000cc158 ldr x8, [x26, #0x28]\
00000001000cc15c add x1, x25, #0x14\
00000001000cc160 stp x21, x26, [sp, #0x18]\
00000001000cc164 mov w9, #0x37c\
00000001000cc168 str x9, [sp, #0x10]\
00000001000cc16c mov x9, #0x7470\
00000001000cc170 movk x9, #0x7275, lsl #16\
00000001000cc174 movk x9, #0x2865, lsl #32\
00000001000cc178 movk x9, #0xef29, lsl #48\
00000001000cc17c mov x10, #0x6f74\
00000001000cc180 movk x10, #0x6767, lsl #16\
00000001000cc184 movk x10, #0x656c, lsl #32\
00000001000cc188 movk x10, #0x6143, lsl #48\
00000001000cc18c adrp x11, 3508 ; 0x100e80000\
00000001000cc190 add x11, x11, #0xf30 ; literal pool for: \\
💻 Terminal Execution
# Look at the function that contains the toggle check, go back further\
otool -tV \\Click to view output
00000001000cc05c b.ne 0x1000cc2f0\
00000001000cc0c0 b.hi 0x1000cc258\
00000001000cc110 tbnz w1, #0x0, 0x1000cc1d4
💻 Terminal Execution
# Get the full function context\
otool -tV \\Click to view output
00000001000cbf00 orr x1, x8, #0x8000000000000000\
00000001000cbf04 mov x0, #0x12\
00000001000cbf08 movk x0, #0xd000, lsl #48\
00000001000cbf0c ret\
00000001000cbf10 mov x1, #0x7257\
00000001000cbf14 movk x1, #0x7469, lsl #16\
00000001000cbf18 movk x1, #0x4465, lsl #32\
00000001000cbf1c movk x1, #0xef42, lsl #48\
00000001000cbf20 mov x0, #0x6166\
00000001000cbf24 movk x0, #0x6c69, lsl #16\
00000001000cbf28 movk x0, #0x6465, lsl #32\
00000001000cbf2c movk x0, #0x6f54, lsl #48\
00000001000cbf30 ret\
00000001000cbf34 sub sp, sp, #0xd0\
00000001000cbf38 stp x28, x27, [sp, #0x70]\
00000001000cbf3c stp x26, x25, [sp, #0x80]\
00000001000cbf40 stp x24, x23, [sp, #0x90]\
00000001000cbf44 stp x22, x21, [sp, #0xa0]\
00000001000cbf48 stp x20, x19, [sp, #0xb0]\
00000001000cbf4c stp x29, x30, [sp, #0xc0]\
00000001000cbf50 add x29, sp, #0xc0\
00000001000cbf54 mov x19, x20\
00000001000cbf58 bl 0x10009bc7c\
00000001000cbf5c adrp x8, 4352 ; 0x1011cb000\
00000001000cbf60 ldr x8, [x8, #0x870]\
00000001000cbf64 cmn x8, #0x1\
00000001000cbf68 tbz w0, #0x0, 0x1000cc05c\
00000001000cbf6c b.ne 0x1000cc2d8\
00000001000cbf70 adrp x8, 4357 ; 0x1011d0000\
00000001000cbf74 ldr x8, [x8, #0x410]\
00000001000cbf78 add x19, x8, #0x20\
00000001000cbf7c add x1, sp, #0x30\
00000001000cbf80 mov x0, x19\
00000001000cbf84 mov x2, #0x0\
00000001000cbf88 mov x3, #0x0\
00000001000cbf8c bl 0x100e7426c ; symbol stub for: _swift_beginAccess\
00000001000cbf90 add x1, sp, #0x48\
00000001000cbf94 mov x0, x19\
00000001000cbf98 bl 0x10000d574\
00000001000cbf9c ldp x21, x22, [sp, #0x60]\
00000001000cbfa0 add x0, sp, #0x48\
00000001000cbfa4 mov x1, x21\
00000001000cbfa8 bl 0x10000d5b8\
00000001000cbfac ldr x8, [x22, #0x68]\
00000001000cbfb0 mov x20, x0\
00000001000cbfb4 mov x0, x21\
00000001000cbfb8 mov x1, x22\
00000001000cbfbc blr x8\
00000001000cbfc0 and w20, w0, #0xff\
00000001000cbfc4 add x0, sp, #0x48\
00000001000cbfc8 bl 0x10000d5dc\
00000001000cbfcc cmp w20, #0x2\
00000001000cbfd0 b.hi 0x1000cc2b8\
00000001000cbfd4 mov x25, #0x20\
00000001000cbfd8 movk x25, #0xd000, lsl #48\
00000001000cbfdc add x1, sp, #0x48\
00000001000cbfe0 mov x0, x19\
00000001000cbfe4 bl 0x10000d574\
00000001000cbfe8 ldp x21, x26, [sp, #0x60]\
00000001000cbfec add x0, sp, #0x48\
00000001000cbff0 mov x1, x21\
00000001000cbff4 bl 0x10000d5b8\
00000001000cbff8 mov x20, x0\
00000001000cbffc adrp x8, 3505 ; 0x100e7c000\
00000001000cc000 add x8, x8, #0xd60 ; literal pool for: \\
💻 Terminal Execution
# The key instruction is at 0x1000cbf68: tbz w0, #0x0, 0x1000cc05c\
# This checks if the cutoff flag is 0 (not passed) and branches to normal code\
# If cutoff flag is 1 (passed), it falls through to the cutoff logging\
\
# Let's find this instruction in the binary\
# Address 0x1000cbf68 - 0x100000000 = 0xcbf68 file offset (approximately)\
xxd -s 0xcbf68 -l 8 \\Click to view output
000cbf68: c9e8 d0f6 e900 4c8d ......L.
💻 Terminal Execution
# Get the __TEXT segment info to find correct file offset\
otool -l \\Click to view output
segname __TEXT\
vmaddr 0x0000000100000000\
vmsize 0x00000000011e0000\
fileoff 0\
filesize 18743296\
maxprot 0x00000005\
initprot 0x00000005\
nsects 25\
flags 0x0\
Section\
sectname __text\
segname __TEXT\
addr 0x0000000100003540\
size 0x0000000000f60270\
offset 13632
💻 Terminal Execution
# Let's verify by disassembling directly from the file at that offset\
# And find the tbz instruction\
otool -tV \\Click to view output
00000001000cbf68 tbz w0, #0x0, 0x1000cc05c
💻 Terminal Execution
# Read bytes at offset 0xcbf68\
xxd -s $((0xcbf68)) -l 16 \\Click to view output
000cbf68: c9e8 d0f6 e900 4c8d ad68 ffff ff4c 89f7 ......L..h...L..
Retrace does not exist. This is just a website. Someone wanted to create an app, but they didn't do that.
<observation> <type>discovery</type> <title>Retrace Project Current State Clarified</title> <subtitle>Retrace exists only as a website, not as an app despite previous intentions to create one.</subtitle> <facts> <fact>Retrace currently exists only as a website</fact> <fact>An app for Retrace was planned but was never actually built</fact> <fact>The project scope is limited to the website implementation</fact> </facts> <narrative>The actual state of the Retrace project was clarified to establish what currently exists. Despite intentions or plans to create an app, Retrace was never developed beyond a website. This clarification corrects any assumptions about the project scope and confirms that the deliverable is website-only, with no app implementation having been completed.</narrative> <concepts> <concept>why-it-exists</concept> <concept>gotcha</concept> </concepts> <files_read> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
file \\Click to view output
/Applications/Rewind.app/Contents/MacOS/Rewind: Mach-O universal binary with 2 architectures: [x86_64:Mach-O 64-bit executable x86_64] [arm64]\
/Applications/Rewind.app/Contents/MacOS/Rewind (for architecture x86_64): Mach-O 64-bit executable x86_64\
/Applications/Rewind.app/Contents/MacOS/Rewind (for architecture arm64): Mach-O 64-bit executable arm64
<observation> <type>discovery</type> <title>Rewind App Binary Architecture Verified</title> <subtitle>Rewind.app is a universal binary supporting both Intel x86_64 and Apple Silicon arm64 architectures.</subtitle> <facts> <fact>Rewind.app is a Mach-O universal binary with 2 architectures</fact> <fact>The binary includes x86_64 architecture for Intel-based Macs</fact> <fact>The binary includes arm64 architecture for Apple Silicon Macs</fact> <fact>The binary is located at /Applications/Rewind.app/Contents/MacOS/Rewind</fact> </facts> <narrative>The Rewind application binary was analyzed to determine its supported architectures. The file command revealed that Rewind.app is distributed as a universal binary, containing both x86_64 (Intel) and arm64 (Apple Silicon) executable code in a single package. This allows the application to run natively on both Intel-based and Apple Silicon Macs without requiring Rosetta translation, providing optimal performance across all modern Mac hardware.</narrative> <concepts> <concept>how-it-works</concept> <concept>why-it-exists</concept> </concepts> <files_read> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
lipo -archs \\Click to view output
x86_64 arm64
💻 Terminal Execution
# Extract arm64 slice\
lipo -thin arm64 \\Click to view output
<observation> <type>change</type> <title>ARM64 Architecture Slice Extracted from Rewind Binary</title> <subtitle>Extracted arm64 architecture from Rewind.app universal binary to standalone file for isolated analysis.</subtitle> <facts> <fact>The arm64 slice was extracted from Rewind.app universal binary using lipo -thin command</fact> <fact>The extracted arm64-only binary was saved to /tmp/Rewind_arm64</fact> <fact>The source binary is /Applications/Rewind.app/Contents/MacOS/Rewind</fact> <fact>The extracted binary contains only Apple Silicon native code</fact> </facts> <narrative>The arm64 architecture slice was extracted from the Rewind.app universal binary using the lipo command with the -thin flag. This creates a standalone arm64-only executable at /tmp/Rewind_arm64, separating it from the Intel (x86_64) portion of the universal binary. Extracting individual architecture slices enables targeted binary analysis, debugging, or reverse engineering of specific platform implementations without the complexity of handling a multi-architecture binary.</narrative> <concepts> <concept>how-it-works</concept> <concept>why-it-exists</concept> </concepts> <files_read> <file>/Applications/Rewind.app/Contents/MacOS/Rewind</file> </files_read> <files_modified> <file>/tmp/Rewind_arm64</file> </files_modified> </observation>
💻 Terminal Execution
# Get TEXT segment info for arm64\
otool -l /tmp/Rewind_arm64 | grep -A10 \\Click to view output
segname __TEXT\
vmaddr 0x0000000100000000\
vmsize 0x000000000110c000\
fileoff 0\
filesize 17874944\
maxprot 0x00000005\
initprot 0x00000005\
nsects 27\
flags 0x0\
Section\
sectname __text\
segname __TEXT\
addr 0x0000000100003808\
size 0x0000000000e68d84\
offset 14344
<observation> <type>discovery</type> <title>Rewind ARM64 Binary TEXT Segment Structure Analyzed</title> <subtitle>Examined TEXT segment of Rewind arm64 binary revealing code size and memory layout details.</subtitle> <facts> <fact>The __TEXT segment starts at virtual address 0x0000000100000000</fact> <fact>The __TEXT segment has a virtual memory size of 0x110c000 (approximately 17.7 MB)</fact> <fact>The __TEXT segment file size is 17874944 bytes (approximately 17 MB)</fact> <fact>The __TEXT segment contains 27 distinct sections</fact> <fact>The __text section (executable code) starts at 0x0000000100003808 with size 0xe68d84 (approximately 15 MB)</fact> <fact>The segment has read and execute permissions (0x00000005)</fact> </facts> <narrative>The TEXT segment of the Rewind arm64 binary was analyzed using otool to understand its memory layout and code structure. The TEXT segment, which contains executable code and read-only data, is mapped at the standard base address for macOS executables (0x100000000) and occupies approximately 17.7 MB of virtual memory. The segment contains 27 distinct sections, with the main __text section (actual executable code) comprising about 15 MB of that space. The segment has standard read and execute permissions, preventing code modification at runtime for security purposes.</narrative> <concepts> <concept>how-it-works</concept> <concept>why-it-exists</concept> </concepts> <files_read> <file>/tmp/Rewind_arm64</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
# Find the tbz instruction in arm64 slice\
otool -tV /tmp/Rewind_arm64 2>/dev/null | grep -B3 \\Click to view output
00000001000cc184 movk x10, #0x656c, lsl #32\
00000001000cc188 movk x10, #0x6143, lsl #48\
00000001000cc18c adrp x11, 3508 ; 0x100e80000\
00000001000cc190 add x11, x11, #0xf30 ; literal pool for: \\
<observation> <type>discovery</type> <title>Rewind Cutoff Date Check Located in ARM64 Binary</title> <subtitle>Found assembly code referencing "Recording disabled due to cutoff date" message in Rewind binary.</subtitle> <facts> <fact>The cutoff date check message reference is located at address 0x1000cc190 in the arm64 binary</fact> <fact>The message "Recording disabled due to cutoff date - not toggling" is stored in a literal pool at 0x100e80f30</fact> <fact>The code uses adrp and add instructions to load the string address into register x11</fact> <fact>The check involves register manipulation with movk instructions at addresses 0x1000cc184-0x1000cc188</fact> </facts> <narrative>The arm64 binary was disassembled to locate code responsible for the "Recording disabled due to cutoff date - not toggling" message. The disassembly reveals the exact location (0x1000cc190) where the code references this error message, with the string itself stored in a literal pool at address 0x100e80f30. The surrounding assembly shows register setup instructions (movk, adrp, add) that build values and load the string address, indicating this is part of a date validation routine that prevents recording after a certain cutoff date has been reached.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> <concept>gotcha</concept> </concepts> <files_read> <file>/tmp/Rewind_arm64</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
# Find the complete function with the cutoff check\
otool -tV /tmp/Rewind_arm64 2>/dev/null | grep -B100 \\Click to view output
00000001000cc020 tbnz w1, #0x0, 0x1000cc14c\
00000001000cc110 tbnz w1, #0x0, 0x1000cc1d4
<observation> <type>discovery</type> <title>Rewind Cutoff Date Check Control Flow Identified</title> <subtitle>Located conditional branch instructions controlling execution flow around cutoff date validation logic.</subtitle> <facts> <fact>Two tbnz (test bit and branch if not zero) instructions precede the cutoff message</fact> <fact>First branch at 0x1000cc020 tests bit 0 of w1 and jumps to 0x1000cc14c if set</fact> <fact>Second branch at 0x1000cc110 tests bit 0 of w1 and jumps to 0x1000cc1d4 if set</fact> <fact>Both branches test the same register (w1) and same bit position (bit 0)</fact> </facts> <narrative>The control flow around the cutoff date check was analyzed by examining branch instructions preceding the error message. Two conditional tbnz instructions were found that test bit 0 of register w1, branching to different code paths (0x1000cc14c and 0x1000cc1d4) based on whether the bit is set. These branches likely represent decision points in the cutoff date validation logic, determining whether recording should be enabled or disabled based on date comparison results stored in register w1.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> </concepts> <files_read> <file>/tmp/Rewind_arm64</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
# Look at the full context around the toggle function\
otool -tV /tmp/Rewind_arm64 2>/dev/null | sed -n '/00000001000cbf34/,/00000001000cc300/p' | head -120Click to view output
00000001000cbf34 sub sp, sp, #0xd0\
00000001000cbf38 stp x28, x27, [sp, #0x70]\
00000001000cbf3c stp x26, x25, [sp, #0x80]\
00000001000cbf40 stp x24, x23, [sp, #0x90]\
00000001000cbf44 stp x22, x21, [sp, #0xa0]\
00000001000cbf48 stp x20, x19, [sp, #0xb0]\
00000001000cbf4c stp x29, x30, [sp, #0xc0]\
00000001000cbf50 add x29, sp, #0xc0\
00000001000cbf54 mov x19, x20\
00000001000cbf58 bl 0x10009bc7c\
00000001000cbf5c adrp x8, 4352 ; 0x1011cb000\
00000001000cbf60 ldr x8, [x8, #0x870]\
00000001000cbf64 cmn x8, #0x1\
00000001000cbf68 tbz w0, #0x0, 0x1000cc05c\
00000001000cbf6c b.ne 0x1000cc2d8\
00000001000cbf70 adrp x8, 4357 ; 0x1011d0000\
00000001000cbf74 ldr x8, [x8, #0x410]\
00000001000cbf78 add x19, x8, #0x20\
00000001000cbf7c add x1, sp, #0x30\
00000001000cbf80 mov x0, x19\
00000001000cbf84 mov x2, #0x0\
00000001000cbf88 mov x3, #0x0\
00000001000cbf8c bl 0x100e7426c ; symbol stub for: _swift_beginAccess\
00000001000cbf90 add x1, sp, #0x48\
00000001000cbf94 mov x0, x19\
00000001000cbf98 bl 0x10000d574\
00000001000cbf9c ldp x21, x22, [sp, #0x60]\
00000001000cbfa0 add x0, sp, #0x48\
00000001000cbfa4 mov x1, x21\
00000001000cbfa8 bl 0x10000d5b8\
00000001000cbfac ldr x8, [x22, #0x68]\
00000001000cbfb0 mov x20, x0\
00000001000cbfb4 mov x0, x21\
00000001000cbfb8 mov x1, x22\
00000001000cbfbc blr x8\
00000001000cbfc0 and w20, w0, #0xff\
00000001000cbfc4 add x0, sp, #0x48\
00000001000cbfc8 bl 0x10000d5dc\
00000001000cbfcc cmp w20, #0x2\
00000001000cbfd0 b.hi 0x1000cc2b8\
00000001000cbfd4 mov x25, #0x20\
00000001000cbfd8 movk x25, #0xd000, lsl #48\
00000001000cbfdc add x1, sp, #0x48\
00000001000cbfe0 mov x0, x19\
00000001000cbfe4 bl 0x10000d574\
00000001000cbfe8 ldp x21, x26, [sp, #0x60]\
00000001000cbfec add x0, sp, #0x48\
00000001000cbff0 mov x1, x21\
00000001000cbff4 bl 0x10000d5b8\
00000001000cbff8 mov x20, x0\
00000001000cbffc adrp x8, 3505 ; 0x100e7c000\
00000001000cc000 add x8, x8, #0xd60 ; literal pool for: \\
<observation> <type>discovery</type> <title>Rewind Recording Toggle Function Structure Revealed</title> <subtitle>Disassembled toggle function showing Swift RecordingController code with dual execution paths and state management.</subtitle> <facts> <fact>The toggle function is located in Rewind/RecordingController.swift</fact> <fact>The function allocates 0xd0 (208) bytes of stack space at entry</fact> <fact>The function saves eight register pairs (x19-x30) following Swift calling conventions</fact> <fact>The function contains calls to Swift runtime functions including swift_beginAccess and swift_bridgeObjectRelease</fact> <fact>Two conditional branches at 0x1000cc020 and 0x1000cc110 create dual execution paths</fact> <fact>The function performs Swift string operations and accesses shared resources with synchronization</fact> </facts> <narrative>The complete structure of Rewind's recording toggle function was revealed through disassembly. The function resides in RecordingController.swift and exhibits typical Swift function characteristics including runtime calls for memory management and access control. The function sets up a 208-byte stack frame and carefully preserves registers, indicating complex state management. It contains two parallel code paths, each accessing shared state through swift_beginAccess, performing string operations on file paths, and making decisions based on bit tests in register w1. The presence of RecordingController.swift references confirms this is the main recording control logic in the application.</narrative> <concepts> <concept>how-it-works</concept> <concept>pattern</concept> </concepts> <files_read> <file>/tmp/Rewind_arm64</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
# Calculate file offset for arm64 slice\
# vmaddr = 0x100000000, fileoff = 0\
# So file offset = 0x1000cbf68 - 0x100000000 = 0xcbf68\
xxd -s $((0xcbf68)) -l 4 /tmp/Rewind_arm64Click to view output
000cbf68: a007 0036 ...6
<observation> <type>discovery</type> <title>Cutoff Check Branch Instruction Bytes Retrieved</title> <subtitle>Extracted raw binary bytes of the tbz instruction controlling cutoff date validation execution path.</subtitle> <facts> <fact>The instruction at virtual address 0x1000cbf68 has raw bytes: a0 07 00 36</fact> <fact>The file offset for this instruction is 0xcbf68 in the extracted arm64 binary</fact> <fact>The bytes encode a tbz (test bit and branch if zero) instruction: tbz w0, #0x0, 0x1000cc05c</fact> <fact>The instruction tests bit 0 of register w0 and branches to 0x1000cc05c if the bit is zero</fact> </facts> <narrative>The raw binary bytes of the critical branch instruction in the cutoff date check were extracted from the arm64 binary. The instruction at virtual address 0x1000cbf68 (file offset 0xcbf68) contains the bytes a0070036 in little-endian format, which encode a tbz (test bit and branch if zero) instruction. This instruction tests bit 0 of register w0 and, if zero, branches to address 0x1000cc05c, effectively controlling which execution path is taken based on the cutoff date validation result stored in that register.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> </concepts> <files_read> <file>/tmp/Rewind_arm64</file> </files_read> <files_modified> </files_modified> </observation>
💻 Terminal Execution
# Verify with objdump\
objdump -d --start-address=0x1000cbf68 --stop-address=0x1000cbf6c /tmp/Rewind_arm64 2>/dev/null || otool -tv /tmp/Rewind_arm64 | grep \\Click to view output
/tmp/Rewind_arm64: file format mach-o arm64\
\
Disassembly of section __TEXT,__text:\
\
0000000100003808 <__text>:\
1000cbf68: 360007a0 tbz w0, #0x0, 0x1000cc05c <__text+0xc8854>
💻 Terminal Execution
# Calculate ARM64 unconditional branch encoding\
# b offset where offset = 0xf4 bytes = 61 instructions\
# b format: 000101 | imm26\
# imm26 = 61 = 0x3d\
python3 -c \\Click to view output
Opcode: 0x1400003d\
Bytes (little endian): 3d000014
<observation> <type>decision</type> <title>Unconditional Branch Patch Calculated for Cutoff Bypass</title> <subtitle>Calculated ARM64 instruction bytes to replace conditional branch with unconditional branch bypassing cutoff check.</subtitle> <facts> <fact>The patch replaces tbz (conditional) with b (unconditional branch) instruction</fact> <fact>The target offset is 0xf4 bytes forward (61 ARM64 instructions)</fact> <fact>The unconditional branch opcode is 0x1400003d</fact> <fact>The patch bytes in little-endian format are: 3d 00 00 14</fact> <fact>ARM64 b instruction format is 000101 (6-bit opcode) followed by 26-bit signed offset</fact> </facts> <narrative>The bytes for patching the cutoff date check were calculated to bypass the validation logic. The original conditional branch (tbz w0, #0x0, 0x1000cc05c) will be replaced with an unconditional branch (b 0x1000cc05c) that always takes the branch regardless of the cutoff date check result in register w0. The ARM64 b instruction uses a 6-bit opcode (000101) followed by a 26-bit signed offset, encoding the 61-instruction offset as 0x1400003d. This effectively disables the cutoff date enforcement by forcing the code to always skip the "Recording disabled" path, allowing recording to continue past the intended cutoff date.</narrative> <concepts> <concept>how-it-works</concept> <concept>problem-solution</concept> <concept>trade-off</concept> </concepts> <files_read> </files_read> <files_modified> </files_modified> </observation>
does not seem to work - still showing "Recording is disabled"