55 PUSH EBP
8BEC MOV EBP,ESP
83C4 F0 ADD ESP,-10
B8 A86F4B00 MOV EAX,PE.004B6FA8
vc++
55 PUSH EBP
8BEC MOV EBP,ESP
83EC 44 SUB ESP,44
56 PUSH ESI
vc6.0
55 push ebp
8BEC mov ebp,esp
6A FF push -1
vc7.0
6A 70 push 70
68 50110001 push hh.01001150
E8 1D020000 call hh.010017B0
33DB xor ebx,ebx
vb:
00401166 - FF25 6C104000 JMP DWORD PTR DS:[<&MSVBVM60.#100>] ; MSVBVM60.ThunRTMain
0040116C > 68 147C4000 PUSH PACKME.00407C14
00401171 E8 F0FFFFFF CALL <JMP.&MSVBVM60.#100>
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
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 <JMP.&KERNEL32.GetModuleHandleA> ; \GetModuleHandleA
00401663 . 8BD0 MOV EDX,EAX
dasm:
00401000 >/$ 6A 00 PUSH 0 ; /pModule = NULL
00401002 |. E8 C50A0000 CALL <JMP.&KERNEL32.GetModuleHandleA> ; \GetModuleHandleA
00401007 |. A3 0C354000 MOV DWORD PTR DS:[40350C],EAX
0040100C |. E8 B50A0000 CALL <JMP.&KERNEL32.GetCommandLineA> ; [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
＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋
看到這里，你應該會問：那么要如何為裝？下面我們簡單的介紹一下：
1、用ToPo增加大約128字節的空間[注:個人愛好而定],
2、進入LordPE的PE Editor,打開Target.exe,
把.topo0段名改為.text,裝的更像一點[注:也可以個性一點改成自己的大名,不影響結果]
記下VOffset:13000,把入口點改為這個值.OllyDbg載入Target.exe,轟~我們來到了一個異常,
向上拉動滾動條,來到413000處改寫代碼:
＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋
偽造VC++入口代碼特征
＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋
push ebp
mov ebp,esp
push -1
push 666666
push 888888
mov eax,fs:[0]
push eax
mov fs:[0],esp
＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋下邊再恢復 ＋＋＋＋＋＋＋＋＋＋＋＋＋＋＋
pop eax
mov fs:[0],eax
pop eax
pop eax
pop eax
pop eax
mov ebp,eax
別忘了jmp 405000,也就是殼的入口點.選中修改過的代碼按右鍵,把它保存為newTarget.exe.
PEiD偵測一下:Microsoft Visual C++,並且運行正常,任務完成