压缩与脱壳-手动脱壳
2007-01-12 20:11:56 来源:WEB开发网核心提示: **Softice中断时,你会在这儿. 一直按F10走过这部分代码0041454FFFFFINVALID0041455655PUSHEBP004145578BECMOVEBP,ESP0041455956PUSHESI0041455A57PUSHEDI0041455B756BJNZ00414
**Softice中断时,你会在这儿. 一直按F10走过这部分代码
0041454F FFFF INVALID
00414556 55 PUSH EBP
00414557 8BEC MOV EBP,ESP
00414559 56 PUSH ESI
0041455A 57 PUSH EDI
0041455B 756B JNZ 004145C8 (NO JUMP)
0041455D 6800010000 PUSH 00000100
00414562 E8D60B0000 CALL 0041513D
00414567 83C404 ADD ESP,04
0041456A 8B7508 MOV ESI,[EBP+08]
0041456D A3B4F14000 MOV [0040F1B4],EAX
00414572 85F6 TEST ESI,ESI
00414574 7423 JZ 00414599 (JUMP)
00414599 33FF XOR EDI,EDI
0041459B 57 PUSH EDI
0041459C 893D8C184100 MOV [0041188C],EDI
004145A2 FF1510224100 CALL [KERNEL32!GetModuleHandleA]
004145A8 8BF0 MOV ESI,EAX
004145AA 68FF000000 PUSH 000000FF
004145AF A1B4F14000 MOV EAX,[0040F1B4]
004145B4 897D10 MOV [EBP+10],EDI
004145B7 C7450C01000000 MOV DWORD PTR [EBP+0C],00000001
004145BE 50 PUSH EAX
004145BF 56 PUSH ESI
004145C0 FF15F4214100 CALL [KERNEL32!GetModuleFileNameA]
004145C6 EB03 JMP 004145CB (JUMP)
004145CB E830EAFFFF CALL 00413000
004145D0 FF7510 PUSH DWORD PTR [EBP+10]
004145D3 FF750C PUSH DWORD PTR [EBP+0C]
004145D6 56 PUSH ESI
004145D7 E806000000 CALL 004145E2
**当你走过这个位于004145D7的CALL, 压缩过的notepad.exe就自由运行了. 再次用symbol loader装入. 再次来到这个CALL时, 按F8追进去. 你将看到以下代码. 不过记着先BPX 004145D7.
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