贴上Lancia未教的3GP/MP4视频转换专家1.6破解过程。(标志位暴破)
标志位暴破 Form.dll先按F9运行,点击注册填入任意数字。下bp messageboxA断点,点击确定注册。
被断下如下图
超级字符串参考
01F4C5BD|.E8 96F4FFFF CALL Form.01F4BA58 ;关键CALL跟进
01F4C5C2|.84C0 TEST AL,AL
01F4C5C4|.75 1A JNZ SHORT Form.01F4C5E0
01F4C5C6|.6A 00 PUSH 0
01F4C5C8|.B9 54C6F401 MOV ECX,Form.01F4C654 ;Info
01F4C5CD|.BA 5CC6F401 MOV EDX,Form.01F4C65C ;注册码非法, 请确认后重新输入.
01F4C5D2|.A1 EC59F501 MOV EAX,DWORD PTR DS:
01F4C5D7|.8B00 MOV EAX,DWORD PTR DS:
01F4C5D9|.E8 E2AAFEFF CALL Form.01F370C0
01F4C5DE|.EB 41 JMP SHORT Form.01F4C621
01F4C5E0|>6A 00 PUSH 0
01F4C5E2|.B9 54C6F401 MOV ECX,Form.01F4C654 ;Info
01F4C5E7|.BA 7CC6F401 MOV EDX,Form.01F4C67C ;注册成功!! 软件会自动关闭,请重新运行软件.
跟进的CALL //// F8到这里
01F4BB21 .64:8910 MOV DWORD PTR FS:,EDX
01F4BB24 .68 47BBF401 PUSH Form.01F4BB47
01F4BB29 >8D45 D4 LEA EAX,DWORD PTR SS:
01F4BB2C .E8 5384F9FF CALL Form.01EE3F84
01F4BB31 .8D45 D8 LEA EAX,DWORD PTR SS:
01F4BB34 .8B15 04B9F401 MOV EDX,DWORD PTR DS: ;Form.01F4B908
01F4BB3A .E8 A18EF9FF CALL Form.01EE49E0
01F4BB3F .C3 RETN
01F4BB40 .^ E9 BB7DF9FF JMP Form.01EE3900
01F4BB45 .^ EB E2 JMP SHORT Form.01F4BB29
01F4BB47 .8A45 FF MOV AL,BYTE PTR SS: ;标志位暴破点改为 mov AL,1
01F4BB4A .5F POP EDI
01F4BB4B .5E POP ESI
01F4BB4C .5B POP EBX
01F4BB4D .8BE5 MOV ESP,EBP
01F4BB4F .5D POP EBP
01F4BB50 .C3 RETN ;这里会返回到01F4C5C2
标志位暴破 3GP MP4视频转换1.6.exe
先按F9运行,超级字符串参考 00523498找到未注册
005233D6|.E8 1DFDF4FF CALL 3GP_MP4_.004730F8 ;关键的CALL跟进
005233DB|.8B15 BC725200 MOV EDX,DWORD PTR DS: ;3GP_MP4_.00528C48
005233E1|.8842 18 MOV BYTE PTR DS:,AL
005233E4|.E8 5FFCF4FF CALL 3GP_MP4_.00473048
005233E9|.8B15 38745200 MOV EDX,DWORD PTR DS: ;3GP_MP4_.00528C38
005233EF|.8842 0C MOV BYTE PTR DS:,AL
中间省略了.............
00523490|.A1 38715200 MOV EAX,DWORD PTR DS:
00523495|.FF70 0C PUSH DWORD PTR DS:
00523498|.68 48355200 PUSH 3GP_MP4_.00523548 ; 未注册
////跟进关键CALLF8直到
004731D1 .8D45 D8 LEA EAX,DWORD PTR SS:
004731D4 .8B15 FC2C4700 MOV EDX,DWORD PTR DS: ;3GP_MP4_.00472D00
004731DA .E8 3920F9FF CALL 3GP_MP4_.00405218
004731DF .C3 RETN
004731E0 .^ E9 B70EF9FF JMP 3GP_MP4_.0040409C
004731E5 .^ EB E2 JMP SHORT 3GP_MP4_.004731C9
004731E7 .8A45 FF MOV AL,BYTE PTR SS: ;标志位暴破点 改为mov AL,1
004731EA .5F POP EDI
004731EB .5E POP ESI
004731EC .5B POP EBX
004731ED .8BE5 MOV ESP,EBP
004731EF .5D POP EBP
004731F0 .C3 RETN
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