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开发学院网络安全黑客技术 破解实例:单词抓取器 V1.71 阅读

破解实例:单词抓取器 V1.71

 2007-01-13 20:16:07 来源:WEB开发网   
核心提示: 015F:00422239PUSHEBP015F:0042223AMOVEBP,ESP015F:0042223CCMPDWORD PTR [0047B0FC],00015F:00422243PUSHEBX015F:00422244PUSHESI015F:00422245PUSHEDI015
015F:00422239 PUSH   EBP
015F:0042223A MOV   EBP,ESP
015F:0042223C CMP   DWORD PTR [0047B0FC],00
015F:00422243 PUSH   EBX
015F:00422244 PUSH   ESI
015F:00422245 PUSH   EDI
015F:00422246 JNZ   0042225A
015F:00422248 PUSH   DWORD PTR [EBP+0C]
015F:0042224B PUSH   DWORD PTR [EBP+08]
015F:0042224E CALL   004277C0
015F:00422253 POP   ECX
015F:00422254 POP   ECX
015F:00422255 JMP   004222E3
015F:0042225A PUSH   19
015F:0042225C CALL   0042741C
015F:00422261 MOV   ESI,[EBP+0C]
015F:00422264 MOV   EDI,[EBP+08]
015F:00422267 POP   ECX
015F:00422268 MOVZX  CX,BYTE PTR [EDI] //正确的注册码
015F:0042226C MOVZX  EAX,CL
015F:0042226F INC   EDI
015F:00422270 MOV   [EBP+0C],ECX
015F:00422273 TEST   BYTE PTR [EAX+0047B201],04
015F:0042227A JZ    00422292
015F:0042227C MOV   AL,[EDI]
015F:0042227E TEST   AL,AL
015F:00422280 JNZ   00422288
015F:00422282 AND   DWORD PTR [EBP+0C],00
015F:00422286 JMP   00422292
015F:00422288 XOR   EDX,EDX
015F:0042228A INC   EDI
015F:0042228B MOV   DH,CL
015F:0042228D MOV   DL,AL
015F:0042228F MOV   [EBP+0C],EDX
015F:00422292 MOVZX  BX,BYTE PTR [ESI]  //你输入的假码
015F:00422296 MOVZX  EAX,BL
015F:00422299 INC   ESI
015F:0042229A TEST   BYTE PTR [EAX+0047B201],04
015F:004222A1 JZ    004222B6
015F:004222A3 MOV   AL,[ESI]
015F:004222A5 TEST   AL,AL
015F:004222A7 JNZ   004222AD
015F:004222A9 XOR   EBX,EBX
015F:004222AB JMP   004222B6
015F:004222AD XOR   ECX,ECX
015F:004222AF INC   ESI
015F:004222B0 MOV   CH,BL
015F:004222B2 MOV   CL,AL
015F:004222B4 MOV   EBX,ECX
015F:004222B6 CMP   [EBP+0C],BX   //比较一个字符
015F:004222BA JNZ   004222C5
015F:004222BC CMP   WORD PTR [EBP+0C],00
015F:004222C1 JZ    004222D9
015F:004222C3 JMP   00422268
015F:004222C5 PUSH   19
015F:004222C7 CALL   0042747D
015F:004222CC CMP   BX,[EBP+0C]  //比较一个字符
015F:004222D0 POP   ECX
015F:004222D1 SBB   EAX,EAX
015F:004222D3 AND   EAX,02
015F:004222D6 DEC   EAX
015F:004222D7 JMP   004222E3
015F:004222D9 PUSH   19
015F:004222DB CALL   0042747D
015F:004222E0 POP   ECX
015F:004222E1 XOR   EAX,EAX    //good guy
015F:004222E3 POP   EDI
015F:004222E4 POP   ESI
015F:004222E5 POP   EBX
015F:004222E6 POP   EBP
015F:004222E7 RET

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Tags:破解 实例 单词

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