160个练手CrackMe-040
2017-12-11 16:14
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1、无壳。Delphi
2、DeDark
确定按钮事件地址。0042D4A8Check_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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