常见各种编程环境生成的程序入口点
Borland Delphi 6.0 - 7.0
00509CB0 > $ 55 PUSH EBP
00509CB1 . 8BEC MOV EBP,ESP
00509CB3 . 83C4 EC ADD ESP,-14
00509CB6 . 53 PUSH EBX
00509CB7 . 56 PUSH ESI
00509CB8 . 57 PUSH EDI
00509CB9 . 33C0 XOR EAX,EAX
00509CBB . 8945 EC MOV DWORD PTR SS:[EBP-14],EAX
00509CBE . B8 20975000 MOV EAX,unpack.00509720
00509CC3 . E8 84CCEFFF CALL unpack.0040694C
Microsoft Visual C++ 6.0
00496EB8 >/$ 55 PUSH EBP ; (初始 cpu 选择)
00496EB9 |. 8BEC MOV EBP,ESP
00496EBB |. 6A FF PUSH -1
00496EBD |. 68 40375600 PUSH Screensh.00563740
00496EC2 |. 68 8CC74900 PUSH Screensh.0049C78C ; SE 处理程序安装
00496EC7 |. 64:A1 0000000>MOV EAX,DWORD PTR FS:[0]
00496ECD |. 50 PUSH EAX
00496ECE |. 64:8925 00000>MOV DWORD PTR FS:[0],ESP
00496ED5 |. 83EC 58 SUB ESP,58
Microsoft Visual C++ 6.0 [Overlay] E语言
00403831 >/$ 55 PUSH EBP
00403832 |. 8BEC MOV EBP,ESP
00403834 |. 6A FF PUSH -1
00403836 |. 68 F0624000 PUSH Nisy521.004062F0
0040383B |. 68 A44C4000 PUSH Nisy521.00404CA4 ; SE 处理程序安装
00403840 |. 64:A1 0000000>MOV EAX,DWORD PTR FS:[0]
00403846 |. 50 PUSH EAX
00403847 |. 64:8925 00000>MOV DWORD PTR FS:[0],ESP
Microsoft Visual Basic 5.0 / 6.0
00401166 - FF25 6C104000 JMP DWORD PTR DS:[] ; MSVBVM60.ThunRTMain
0040116C > 68 147C4000 PUSH PACKME.00407C14
00401171 E8 F0FFFFFF CALL
00401176 0000 ADD BYTE PTR DS:[EAX],AL
00401178 0000 ADD BYTE PTR DS:[EAX],AL
0040117A 0000 ADD BYTE PTR DS:[EAX],AL
0040117C 3000 XOR BYTE PTR DS:[EAX],AL
或省略第一行的JMP
00401FBC > 68 D0D44000 push dumped_.0040D4D0
00401FC1 E8 EEFFFFFF call
00401FC6 0000 add byte ptr ds:[eax],al
00401FC8 0000 add byte ptr ds:[eax],al
00401FCA 0000 add byte ptr ds:[eax],al
00401FCC 3000 xor byte ptr ds:[eax],al
00401FCE 0000 add byte ptr ds:[eax],al
BC++
0040163C > $ /EB 10 JMP SHORT BCLOCK.0040164E
0040163E |66 DB 66 ; CHAR 'f'
0040163F |62 DB 62 ; CHAR 'b'
00401640 |3A DB 3A ; CHAR ':'
00401641 |43 DB 43 ; CHAR 'C'
00401642 |2B DB 2B ; CHAR '+'
00401643 |2B DB 2B ; CHAR '+'
00401644 |48 DB 48 ; CHAR 'H'
00401645 |4F DB 4F ; CHAR 'O'
00401646 |4F DB 4F ; CHAR 'O'
00401647 |4B DB 4B ; CHAR 'K'
00401648 |90 NOP
00401649 |E9 DB E9
0040164A . |98E04E00 DD OFFSET BCLOCK.___CPPdebugHook
0040164E > \A1 8BE04E00 MOV EAX,DWORD PTR DS:[4EE08B]
00401653 . C1E0 02 SHL EAX,2
00401656 . A3 8FE04E00 MOV DWORD PTR DS:[4EE08F],EAX
0040165B . 52 PUSH EDX
0040165C . 6A 00 PUSH 0 ; /pModule = NULL
0040165E . E8 DFBC0E00 CALL ; \GetModuleHandleA
00401663 . 8BD0 MOV EDX,EAX
Dasm:
00401000 >/$ 6A 00 PUSH 0 ; /pModule = NULL
00401002 |. E8 C50A0000 CALL ; \GetModuleHandleA
00401007 |. A3 0C354000 MOV DWORD PTR DS:[40350C],EAX
0040100C |. E8 B50A0000 CALL ; [GetCommandLineA
00401011 |. A3 10354000 MOV DWORD PTR DS:[403510],EAX
00401016 |. 6A 0A PUSH 0A ; /Arg4 = 0000000A
00401018 |. FF35 10354000 PUSH DWORD PTR DS:[403510] ; |Arg3 = 00000000
0040101E |. 6A 00 PUSH 0 ; |Arg2 = 00000000
00401020 |. FF35 0C354000 PUSH DWORD PTR DS:[40350C] ; |Arg1 = 00000000
VC8 -> Microsoft Corporation
0043DEE1 Q> E8 2D8D0000 call QQRecord.00446C13 ; (Initial CPU selection)
0043DEE6 ^ E9 16FEFFFF jmp QQRecord.0043DD01
0043DEEB 55 push ebp
0043DEEC 8BEC mov ebp,esp
0043DEEE 51 push ecx
0043DEEF 53 push ebx
0043DEF0 8B45 0C mov eax,dword ptr ss:[ebp+C]
0043DEF3 83C0 0C add eax,0C
0043DEF6 8945 FC mov dword ptr ss:[ebp-4],eax
0043DEF9 64:8B1D 00000000 mov ebx,dword ptr fs:[0]
0043DF00 8B03 mov eax,dword ptr ds:[ebx]
0043DF02 64:A3 00000000 mov dword ptr fs:[0],eax
0043DF08 8B45 08 mov eax,dword ptr ss:[ebp+8]
0043DF0B 8B5D 0C mov ebx,dword ptr ss:[ebp+C]
0043DF0E 8B6D FC mov ebp,dword ptr ss:[ebp-4]
0043DF11 8B63 FC mov esp,dword ptr ds:[ebx-4]
0043DF14 FFE0 jmp eax
0043DF16 5B pop ebx
0043DF17 C9 leave
0043DF18 C2 0800 retn 8
PB
00410D50: 55 PUSH EBP
00410D51: 8BEC MOV EBP, ESP
00410D53: 53 PUSH EBX
00410D54: 56 PUSH ESI
00410D55: 57 PUSH EDI
00410D56: BB00604100 MOV EBX, 00416000
00410D5B: 662EF705D213410004000F85 TEST WORD PTR CS:[004113D2], 850F0004
00410D67: DB00 FILD DWORD PTR [EAX]
00410D69: 0000 ADD [EAX], AL
00410D6B: 6A00 PUSH 00000000
00410D6D: FF1554844100 CALL [00418454] ; CoInitialize
00410D73: E892020000 CALL 0041100A
00410D78: C7830801000001000000 MOV [EBX+00000108], 00000001
00410D82: 8D8390020000 LEA EAX, [EBX+00000290]
00410D88: 50 PUSH EAX
00410D89: FF15DC834100 CALL [004183DC] ; GetVersionExA
00410D8F: 83EC44 SUB ESP, 00000044
00410D92: C7042444000000 MOV [ESP], 00000044
00410D99: C744242C00000000 MOV [ESP+2C], 00000000
00410DA1: 54 PUSH ESP
00410DA2: FF15D4834100 CALL [004183D4] ; GetStartupInfoA
00410DA8: B80A000000 MOV EAX, 0000000A
00410DAD: F744242C01000000 TEST [ESP+2C], 00000001
00410DB5: 7405 JZ 410DBC
00410DB7: 0FB7442430 MOVZX EAX, WORD PTR [ESP+30]
00410DBC: 83C444 ADD ESP, 00000044
00410DBF: 8983FE000000 MOV [EBX+000000FE], EAX
00410DC5: FF15B0834100 CALL [004183B0] ; GetCommandLineA
Borland C++ 1999
004014D0 VB> /EB 10 jmp short VBto_UNP.004014E2
004014D2 |66:623A bound di,dword ptr ds:[edx]
004014D5 |43 inc ebx
004014D6 |2B2B sub ebp,dword ptr ds:[ebx]
004014D8 |48 dec eax
004014D9 |4F dec edi
004014DA |4F dec edi
004014DB |4B dec ebx
004014DC |90 nop
004014DD -|E9 980057>jmp 0097157A
004014E2 \A1 8B0057>mov eax,dword ptr ds:[57008B]
004014E7 C1E0 02 shl eax,2
004014EA A3 8F0057>mov dword ptr ds:[57008F],eax
004014EF 52 push edx
004014F0 6A 00 push 0
004014F2 E8 C7D116>call
。。。
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看到这里，你应该会问：那么要如何为装？下面我们简单的介绍一下：
1、用ToPo增加大约128字节的空间[注:个人爱好而定],
2、进入LordPE的PE Editor,打开Target.exe,
把.topo0段名改为.text,装的更像一点[注:也可以个性一点改成自己的大名,不影响结果]
记下VOffset:13000,把入口点改为这个值.OllyDbg载入Target.exe,轰~我们来到了一个异常,
向上拉动滚动条,来到413000处改写代码:
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伪造VC++入口代码特征
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push ebp
mov ebp,esp
push -1
push 666666
push 888888
mov eax,fs:[0]
push eax
mov fs:[0],esp
＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋下边再恢复 ＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋
pop eax
mov fs:[0],eax
pop eax
pop eax
pop eax
pop eax
mov ebp,eax
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别忘了jmp 405000,也就是壳的入口点.选中修改过的代码按右键,把它保存为newTarget.exe.
PEiD侦测一下:Microsoft Visual C++,并且运行正常,任务完成
以上的可以再入口点前面加上代码来迷惑杀毒软件，或是想破解自己辛苦编译出来的软件！！！！
其实做免杀比较好的论坛还是比较推荐 甲壳虫