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极域 v6.0 部分 UDP 数据包分析
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mythware-udp1.md

极域电子教室 v6.0 部分 UDP 数据包分析

各版本极域的目标端口

极域 目标端口
v6.0 2021 豪华版 4988
v6.0 2016 豪华版 4705

发送消息

示例

0000   44 4d 4f 43 00 00 01 00 9e 03 00 00 80 98 1a ea
0010   67 96 65 4e aa 95 c2 1e a1 41 19 68 20 4e 00 00
0020   0a 00 02 03 91 03 00 00 91 03 00 00 00 08 00 00
0030   00 00 00 00 05 00 00 00 6d 00 73 00 67 00 2d 00
0040   63 00 6f 00 6e 00 74 00 65 00 6e 00 74 00 2d 00
0050   65 00 78 00 00 00 00 00 00 00 00 00 00 00 00 00
0060   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
...
03a0   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
03b0   00 00 00 00 00 00 00 00 00 00

分析

444d4f43                                                       # 魔数 (DMOC)
00000100 9e030000                                              # 固定字节
80981aea 6796654e aa95c21e a1411968                            # 随机字节
204e0000                                                       # 固定字节
0a000203                                                       # 教师机 IP (10.0.2.3)
91030000 91030000 00080000 00000000 05000000                   # 固定字节
6d007300 67002d00 63006f00 6e007400 65006e00 74002d00 65007800 # UTF-16LE 编码的消息 (msg-content-ex)
00000000 00000000 000...                                       # 填充 00 至 954B

关机

示例

0000   44 4d 4f 43 00 00 01 00 2a 02 00 00 46 7d 30 7b
0010   1c 2e b6 49 b5 40 ef 2c e4 24 2b 75 20 4e 00 00
0020   0a 00 02 03 1d 02 00 00 1d 02 00 00 00 02 00 00
0030   00 00 00 00 14 00 00 10 0f 00 00 00 01 00 00 00
0040   00 00 00 00 59 65 08 5e 06 5c 73 51 ed 95 a8 60
0050   84 76 a1 8b 97 7b 3a 67 02 30 00 00 00 00 00 00
0060   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
...
0230   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0240   00 00 00 00 00 00

分析

444d4f43                                                       # 魔数 (DMOC)
00000100 2a020000                                              # 固定字节
467d307b 1c2eb649 b540ef2c e4242b75                            # 随机字节
204e0000                                                       # 固定字节
0a000203                                                       # 教师机 IP (10.0.2.3)
1d020000 1d020000 00020000 00000000 14000010 0f000000 01000000 # 固定字节
00000000 5965085e 065c7351 ed95a860 8476a18b 977b3a67 02300000 # 固定字节
00000000 00000000 000...                                       # 填充 00 至 582B

重启

示例

0000   44 4d 4f 43 00 00 01 00 2a 02 00 00 46 d7 4d 89
0010   74 55 2b 47 a4 c0 ab 6b eb eb b8 92 20 4e 00 00
0020   0a 00 02 03 1d 02 00 00 1d 02 00 00 00 02 00 00
0030   00 00 00 00 13 00 00 10 0f 00 00 00 01 00 00 00
0040   00 00 00 00 59 65 08 5e 06 5c cd 91 2f 54 a8 60
0050   84 76 a1 8b 97 7b 3a 67 02 30 00 00 00 00 00 00
0060   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
...
0230   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0240   00 00 00 00 00 00

分析

444d4f43                                                       # 魔数 (DMOC)
00000100 2a020000                                              # 固定字节
46d74d89 74552b47 a4c0ab6b ebebb892                            # 随机字节
204e0000                                                       # 固定字节
0a000203                                                       # 教师机 IP (10.0.2.3)
1d020000 1d020000 00020000 00000000 13000010 0f000000 01000000 # 固定字节
00000000 5965085e 065ccd91 2f54a860 8476a18b 977b3a67 02300000 # 固定字节
00000000 00000000 000...                                       # 填充 00 至 582B

关闭应用程序

示例

0000   44 4d 4f 43 00 00 01 00 2a 02 00 00 2a 24 6f 26
0010   af e4 0f 40 b9 dd 98 c6 d3 04 26 8b 20 4e 00 00
0020   0a 00 02 03 1d 02 00 00 1d 02 00 00 00 02 00 00
0030   00 00 00 00 02 00 00 10 0f 00 00 00 01 00 00 00
0040   00 00 00 00 59 65 08 5e 06 5c 73 51 ed 95 a8 60
0050   84 76 94 5e 28 75 0b 7a 8f 5e 00 00 00 00 00 00
0060   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
...
0220   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0230   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0240   00 00 00 00 00 00

分析

444d4f43                                                       # 魔数 (DMOC)
00000100 2a020000                                              # 固定字节
2a246f26 afe40f40 b9dd98c6 d304268b                            # 随机字节
204e0000                                                       # 固定字节
0a000203                                                       # 教师机 IP (10.0.2.3)
1d020000 1d020000 00020000 00000000 02000010 0f000000 01000000 # 固定字节
00000000 5965085e 065c7351 ed95a860 8476945e 28750b7a 8f5e0000 # 固定字节
00000000 00000000 000...                                       # 填充 00 至 582B

设置登录模式

示例

0000   44 4d 4f 43 00 00 01 00 2f 00 00 00 93 e0 72 d2
0010   70 c6 1f 43 85 4a 1f 3f 88 9b 74 51 20 4e 00 00
0020   0a 00 02 03 22 00 00 00 22 00 00 00 00 40 00 00
0030   00 00 00 00 07 00 00 00 15 00 00 00 00 00 00 00
0040   01 00 00 00 1b 00 00 00 00 00 99

分析

444d4f43                                                       # 魔数 (DMOC)
00000100 2f000000                                              # 固定字节
93e072d2 70c61f43 854a1f3f 889b7451                            # 随机字节
204e0000                                                       # 固定字节
0a000203                                                       # 教师机 IP (10.0.2.3)
22000000 22000000 00400000 00000000 07000000 15000000 00000000 # 固定字节
01000000                                                       # 自动登录开关 (01: 开, 00: 关)
1b000000                                                       # 频道 ID (27)
000099                                                         # 固定字节

执行命令

示例

0000   44 4d 4f 43 00 00 01 00 6e 03 00 00 27 80 0c 13
0010   fd a1 88 4b 8b 06 25 01 77 a5 fa e9 20 4e 00 00
0020   0a 00 02 03 61 03 00 00 61 03 00 00 00 02 00 00
0030   00 00 00 00 0f 00 00 00 01 00 00 00 3c 00 57 00
0040   49 00 4e 00 53 00 59 00 53 00 44 00 49 00 52 00
0050   3e 00 5c 00 63 00 6d 00 64 00 2e 00 65 00 78 00
0060   65 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0070   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
...
0370   00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0380   01 00 00 00 00 00 00 00 01 00

分析

444d4f43                                                       # 魔数 (DMOC)
00000100 6e030000                                              # 固定字节
27800c13 fda1884b 8b062501 77a5fae9                            # 随机字节
204e0000                                                       # 固定字节
0a000203                                                       # 教师机 IP (10.0.2.3)
61030000 61030000 00020000 00000000 0f000000 01000000          # 固定字节
3c005700 49004e00 53005900 53004400 49005200                   # (见下)
3e005c00 63006d00 64002e00 65007800 6500                       # UTF-16LE 编码的命令 (<WINSYSDIR>\cmd.exe)
00000000 00000000 000...                                       # (见下)
00000000 01000000 00000000 0100                                # 填充至 906B, 最后 10B 为 01000000000000000100, 其余 00
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