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CrackMoiNao

 
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--Pillboi--
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PostPosted: Mon Apr 21, 2008 1:25 pm    Post subject: CrackMoiNao Reply with quote

My brand spanking new CrackMe. Updated encryption, still not very complicated, but lots of it! Again, if possible find the pass and serial that need to be entered, and the eventual encrypted pass and serial.

Difficulty: SLIGHTLY HARDER THAN EASY

Downloaded 11 times? That's more views than my thread has. O.o

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HalfPrime
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PostPosted: Fri Apr 25, 2008 4:18 pm    Post subject: Reply with quote

Code:
0040160B     75 24          JNZ SHORT CrackMoi.00401631

nop to stop strcmp from jumping

Code:
0040161A     75 15          JNZ SHORT CrackMoi.00401631

I'm not sure why, but nop this to keep it from crashing.

I got this a while ago, but didn't want to post till I found the pass/serial...but then I forgot about it.
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--Pillboi--
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PostPosted: Sat Apr 26, 2008 3:35 am    Post subject: Reply with quote

Thanks for trying! Smile
It's not that hard, is it? xD

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atom0s
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PostPosted: Sat Apr 26, 2008 7:14 am    Post subject: Reply with quote

I wouldn't say it's hard, it is rather easy it's just reversing encryption methods is annoying for some. I personally hate reversing them. I can tell you the password it looks for after being encrypted if that makes a difference lol.

You use strcmp which stands out and is the break point to find the password:
Code:
00401604  |.  E8 97050000   CALL <JMP.&msvcrt.strncmp>               ; |\strncmp


Password: aaaa
Serial: aaaa

The serial it looks for is: (Doesn't show up correctly on forums.)
Code:
0022FEF4   0022FF30  |s2 = "+&'%รพ"


If anyone wanted to they could fish that out, but meh.

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--Pillboi--
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PostPosted: Sat Apr 26, 2008 8:08 am    Post subject: Reply with quote

That is more or less right (i know it's the forums fault).
But what's up with this:
Quote:
Password: aaaa
Serial: aaaa

Are you saying to type that in, and see what happens? xD
Also, you didn't give me the password it's compared to...
I know, it's just the reverse encrypting is boring and repetitive.

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Enter darkness, leave the light, Here be nightmare, here be fright...
Earth and Water, Fire and Air. Prepare to meet a creature rare.
Enter now if you dare, Enter now the dragon's lair.
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atom0s
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PostPosted: Sat Apr 26, 2008 8:10 am    Post subject: Reply with quote

The aaaa's were just a test to get it to encrypt and compare, I wasn't saying those were correct.
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--Pillboi--
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Location: I don't understand the question. Is this a 1 to 10 thing?

PostPosted: Sat Apr 26, 2008 8:30 am    Post subject: Reply with quote

That's what I thought. Smile
No. 3 coming soon to a forum near you...

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Earth and Water, Fire and Air. Prepare to meet a creature rare.
Enter now if you dare, Enter now the dragon's lair.
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