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Conumdrum Crackme v1

 
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Ksbunker
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PostPosted: Sun Dec 23, 2007 7:34 am    Post subject: Conumdrum Crackme v1 Reply with quote

Instructions:

Find the valid password. At first this may be confusing, as there's no password input box, and that's all apart of the crackme, do not fret.

You CANNOT patch the CODE.

This is a kinda abstract crackme, so I hope something enjoys it. In all my testing, it worked 100%, well, i.e. if you did it correctly.

Be warned, if you make errors, it will crash.

Download: http://www.megaupload.com/?d=ZZVSPLS2

PS: I cannot upload .exes and my compression programs are all broken. I have named the extension, *.zip (BUT ITS NOT A ZIP), just change it to *.exe


Last edited by Ksbunker on Sun Dec 23, 2007 8:09 am; edited 1 time in total
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Blader
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PostPosted: Sun Dec 23, 2007 7:52 am    Post subject: Reply with quote

It doesn't work when I make it into a .exe
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Engineer
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PostPosted: Sun Dec 23, 2007 8:02 am    Post subject: Reply with quote

reupload, files missing
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Ksbunker
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PostPosted: Sun Dec 23, 2007 8:09 am    Post subject: re: Reply with quote

Apologies, if renaming the file does not work, I've also included a download link...
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atom0s
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PostPosted: Sun Dec 23, 2007 10:19 am    Post subject: Reply with quote

Doesn't load, crashes here:

Code:
004011B7   .  6A FF         PUSH -1
004011B9   .  6A FF         PUSH -1
004011BB   .  B8 01010000   MOV EAX,101
004011C0   .  BA 0003FE7F   MOV EDX,7FFE0300
004011C5   .  FF12          CALL DWORD PTR DS:[EDX]



The call is to: ntdll.KiFastSystemCall

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Ksbunker
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PostPosted: Sun Dec 23, 2007 7:09 pm    Post subject: Reply with quote

if the correct password is entered, a messagebox will apear.

if not, nothing will happen. you'll notice .rsrc section has the 'executable' flag activated *cough* the bitmap resource might not be all its cracked up to
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cicak
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PostPosted: Sun Dec 23, 2007 10:24 pm    Post subject: Reply with quote

i cant even open it Confused
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