常见OEP处代码整理

Borland Delphi 6.0 - 7.0

1. 00509CB0 > $ 55 PUSH EBP
   
2. 00509CB1 . 8BEC MOV EBP,ESP
   
3. 00509CB3 . 83C4 EC ADD ESP,-14
   
4. 00509CB6 . 53 PUSH EBX
   
5. 00509CB7 . 56 PUSH ESI
   
6. 00509CB8 . 57 PUSH EDI
   
7. 00509CB9 . 33C0 XOR EAX,EAX
   
8. 00509CBB . 8945 EC MOV DWORD PTR SS:[EBP-14],EAX
   
9. 00509CBE . B8 20975000 MOV EAX,unpack.00509720
   
10. 00509CC3 . E8 84CCEFFF CALL unpack.0040694C

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Microsoft Visual C++ 6.0

1. 
   
2. 00496EB8 >/$ 55 PUSH EBP ; (初始 cpu 选择)
   
3. 00496EB9 |. 8BEC MOV EBP,ESP
   
4. 00496EBB |. 6A FF PUSH -1
   
5. 00496EBD |. 68 40375600 PUSH Screensh.00563740
   
6. 00496EC2 |. 68 8CC74900 PUSH Screensh.0049C78C ; SE 处理程序安装
   
7. 00496EC7 |. 64:A1 0000000>MOV EAX,DWORD PTR FS:[0]
   
8. 00496ECD |. 50 PUSH EAX
   
9. 00496ECE |. 64:8925 00000>MOV DWORD PTR FS:[0],ESP
   
10. 00496ED5 |. 83EC 58 SUB ESP,58
    

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Microsoft Visual C++ 6.0 [Overlay] E语言

1. 
   
2. 00403831 >/$ 55 PUSH EBP
   
3. 00403832 |. 8BEC MOV EBP,ESP
   
4. 00403834 |. 6A FF PUSH -1
   
5. 00403836 |. 68 F0624000 PUSH Nisy521.004062F0
   
6. 0040383B |. 68 A44C4000 PUSH Nisy521.00404CA4 ; SE 处理程序安装
   
7. 00403840 |. 64:A1 0000000>MOV EAX,DWORD PTR FS:[0]
   
8. 00403846 |. 50 PUSH EAX
   
9. 00403847 |. 64:8925 00000>MOV DWORD PTR FS:[0],ESP
   

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Microsoft Visual Basic 5.0 / 6.0

1. 
   
2. 00401166 - FF25 6C104000 JMP DWORD PTR DS:[<&MSVBVM60.#100>] ; MSVBVM60.ThunRTMain
   
3. 0040116C > 68 147C4000 PUSH PACKME.00407C14
   
4. 00401171 E8 F0FFFFFF CALL <JMP.&MSVBVM60.#100>
   
5. 00401176 0000 ADD BYTE PTR DS:[EAX],AL
   
6. 00401178 0000 ADD BYTE PTR DS:[EAX],AL
   
7. 0040117A 0000 ADD BYTE PTR DS:[EAX],AL
   
8. 0040117C 3000 XOR BYTE PTR DS:[EAX],AL
   
9. //或省略第一行的JMP
   
10. 00401FBC > 68 D0D44000 push dumped_.0040D4D0
    
11. 00401FC1 E8 EEFFFFFF call <jmp.&msvbvm60.ThunRTMain>
    
12. 00401FC6 0000 add byte ptr ds:[eax],al
    
13. 00401FC8 0000 add byte ptr ds:[eax],al
    
14. 00401FCA 0000 add byte ptr ds:[eax],al
    
15. 00401FCC 3000 xor byte ptr ds:[eax],al
    
16. 00401FCE 0000 add byte ptr ds:[eax],al
    

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BC++

1. 0040163C > $ /EB 10 JMP SHORT BCLOCK.0040164E
   
2. 0040163E |66 DB 66 ; CHAR 'f'
   
3. 0040163F |62 DB 62 ; CHAR 'b'
   
4. 00401640 |3A DB 3A ; CHAR ':'
   
5. 00401641 |43 DB 43 ; CHAR 'C'
   
6. 00401642 |2B DB 2B ; CHAR '+'
   
7. 00401643 |2B DB 2B ; CHAR '+'
   
8. 00401644 |48 DB 48 ; CHAR 'H'
   
9. 00401645 |4F DB 4F ; CHAR 'O'
   
10. 00401646 |4F DB 4F ; CHAR 'O'
    
11. 00401647 |4B DB 4B ; CHAR 'K'
    
12. 00401648 |90 NOP
    
13. 00401649 |E9 DB E9
    
14. 0040164A . |98E04E00 DD OFFSET BCLOCK.___CPPdebugHook
    
15. 0040164E > \A1 8BE04E00 MOV EAX,DWORD PTR DS:[4EE08B]
    
16. 00401653 . C1E0 02 SHL EAX,2
    
17. 00401656 . A3 8FE04E00 MOV DWORD PTR DS:[4EE08F],EAX
    
18. 0040165B . 52 PUSH EDX
    
19. 0040165C . 6A 00 PUSH 0 ; /pModule = NULL
    
20. 0040165E . E8 DFBC0E00 CALL <JMP.&KERNEL32.GetModuleHandleA> ; \GetModuleHandleA
    
21. 00401663 . 8BD0 MOV EDX,EAX

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Dasm:

1. 
   
2. 00401000 >/$ 6A 00 PUSH 0 ; /pModule = NULL
   
3. 00401002 |. E8 C50A0000 CALL <JMP.&KERNEL32.GetModuleHandleA> ; \GetModuleHandleA
   
4. 00401007 |. A3 0C354000 MOV DWORD PTR DS:[40350C],EAX
   
5. 0040100C |. E8 B50A0000 CALL <JMP.&KERNEL32.GetCommandLineA> ; [GetCommandLineA
   
6. 00401011 |. A3 10354000 MOV DWORD PTR DS:[403510],EAX
   
7. 00401016 |. 6A 0A PUSH 0A ; /Arg4 = 0000000A
   
8. 00401018 |. FF35 10354000 PUSH DWORD PTR DS:[403510] ; |Arg3 = 00000000
   
9. 0040101E |. 6A 00 PUSH 0 ; |Arg2 = 00000000
   
10. 00401020 |. FF35 0C354000 PUSH DWORD PTR DS:[40350C] ; |Arg1 = 00000000
    

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