欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  网络运营

简单判断是否进入OEP

程序员文章站 2022-04-26 17:59:52
总结:  Microsoft Visual C++ 6.0 00496EB8 >/$  55     &...

总结:

 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 Basic 5.0 / 6.0
 
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
 
或省略第一行的JMP
 
00401FBC >  68 D0D44000        push dumped_.0040D4D0
00401FC1    E8 EEFFFFFF        call <jmp.&msvbvm60.ThunRTMain>
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 <JMP.&KERNEL32.GetModuleHandleA>    ; GetModuleHandleA
00401663   .  8BD0          MOV EDX,EAX
 
Borland Delphi 6.0 - 7.0
 
00509CB0 > $  55            PUSH EB