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[crackme] find the pass (no patch)
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haha01haha01
Grandmaster Cheater Supreme
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Joined: 15 Jun 2007
Posts: 1233
Location: http://www.SaviourFagFails.com/

PostPosted: Tue Aug 21, 2007 12:37 am    Post subject: Reply with quote

i dont count crackmes by lvl i cunt them by price Razz
its because on real software the more they are expansive the more they are protected.
i can barely crack a 100$ software. 50$ is the avg im cracking almost surely.
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SunBeam
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Joined: 25 Feb 2005
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PostPosted: Tue Aug 21, 2007 12:58 am    Post subject: Reply with quote

Nice trix Wink WriteFile Very Happy

|hFile = 00000007
|Buffer = 0012FADC
|nBytesToWrite = 6
|pBytesWritten = 0012FAD8
\pOverlapped = NULL

The six bytes being "badboy" ... for now Wink I wonder what happens if :

00406ABF MOV ECX,DWORD PTR DS:[EDX*4+432B80]

ECX gets to hold 2 instead of 3 (which is the case of 'badboy') Very Happy

EDIT: Got bored for now. I honestly detest console appz, but here's a tip - even if against the CrackMe's rules (by the way, CrackMe MEANS PATCHING) - find the 2nd WriteFile and force your jump to it. On your way there, you'll find the compare based on which the path gets divided - should I take the 'badboy' way or the 'goodboy' way? Very Happy

Have fun...


Last edited by SunBeam on Tue Aug 21, 2007 1:02 am; edited 1 time in total
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zart
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Joined: 20 Aug 2007
Posts: 351
Location: russia

PostPosted: Tue Aug 21, 2007 1:01 am    Post subject: Reply with quote

SunBeam wrote:
Nice trix Wink WriteFile Very Happy

|hFile = 00000007
|Buffer = 0012FADC
|nBytesToWrite = 6
|pBytesWritten = 0012FAD8
\pOverlapped = NULL

The six bytes being "badboy" ... for now Wink I wonder what happens if :

00406ABF MOV ECX,DWORD PTR DS:[EDX*4+432B80]

ECX gets to hold 2 instead of 3 (which is the case of 'badboy') Very Happy


uhhh oh someones catching on! Very Happy

oh well i've still beat my goal time of one minute Wink

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SunBeam
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PostPosted: Tue Aug 21, 2007 3:00 am    Post subject: Reply with quote

I think I won't post the password this time. Let's see Kaspersky say "OWNED" again Wink
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zart
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Joined: 20 Aug 2007
Posts: 351
Location: russia

PostPosted: Tue Aug 21, 2007 7:29 am    Post subject: Reply with quote

SunBeam wrote:
I think I won't post the password this time. Let's see Kaspersky say "OWNED" again Wink


ahh you've got it - mind pming me the solution so i can see how you've done it?

SunBeam wrote:
Okay. Time to get rollin`. Let's see Razz Feedback in a while - depending how lazy I am...

EDIT #1: Password is 0x0D long (13 in length) Wink

Lol - "meh-static-pass" <- hint Very Happy


haha just noticed you found that...

"meh-stat-pass" is put into a variable called "bait" Wink

no the password it isn't 13 in length... it is 6 in length Very Happy

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