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160个练手CrackMe-040

2017-12-11 16:14 281 查看

1、无壳。Delphi

2、DeDark

确定按钮事件地址。0042D4A8

Check_it()

0042D564  |.  8B45 F8       mov eax,[local.2]
0042D567  |.  8B55 FC       mov edx,[local.1]                        ;  正确的Key
0042D56A  |.  E8 6163FDFF   call DaNiEl-R.004038D0
0042D56F  |.  75 0C         jnz XDaNiEl-R.0042D57D
0042D571  |.  B8 ECD54200   mov eax,DaNiEl-R.0042D5EC                ;  ASCII "Congratz cracker! hehehe"
0042D576  |.  E8 7DFBFFFF   call DaNiEl-R.0042D0F8
0042D57B  |.  EB 0A         jmp XDaNiEl-R.0042D587
0042D57D  |>  B8 10D64200   mov eax,DaNiEl-R.0042D610                ;  ASCII "No no no! :( Try again!"
0042D582  |.  E8 71FBFFFF   call DaNiEl-R.0042D0F8


试了几组:

“123”->”678”

“abcd”->“fghi”

算法很简单。

3、注册机

>>> Name = 'Test'
>>> for i in Name:
print(chr(ord(i) + 5), end='')

Yjxy
>>>




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标签:  CrackMe