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My Fisrt Crack Me

 
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CrAsH OVeRiDE
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PostPosted: Sun Feb 03, 2008 3:22 pm    Post subject: My Fisrt Crack Me Reply with quote

OK here is my first crack me I made it in C++.
Ok this crack me has 2 objectives the first and most simple is get both passwords. The last objective is make to crack that makes any password correct.

Download
http://www.datafilehost.com/download.php?file=10fed682


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hcavolsdsadgadsg
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PostPosted: Sun Feb 03, 2008 3:38 pm    Post subject: Reply with quote

Doesn't run
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CrAsH OVeRiDE
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PostPosted: Sun Feb 03, 2008 3:45 pm    Post subject: Reply with quote

slovach wrote:
Doesn't run


Umm it runs just fine for me whats it do for your?

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Flyte
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PostPosted: Sun Feb 03, 2008 4:02 pm    Post subject: Reply with quote

Don't run this, it imports ExitWindowsEx() (used to shut down the computer).

There are various other incriminating APIs used by this, I didn't go in depth however, so they may just be apart of the crackme, like winsock crackmes.

Run with caution.

Edit: On further inspection, this program also adds itself to the auto startup list. Sounds malicious.
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appalsap
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PostPosted: Sun Feb 03, 2008 4:15 pm    Post subject: Reply with quote

Looks like some sort of packer, it extracts the real program [password.exe] to a temporary directory and runs it (will fail if you don't have the MSVC 2008 runtime installed).

Here's password.exe

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CrAsH OVeRiDE
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PostPosted: Sun Feb 03, 2008 4:46 pm    Post subject: Reply with quote

Flyte wrote:
Don't run this, it imports ExitWindowsEx() (used to shut down the computer).

There are various other incriminating APIs used by this, I didn't go in depth however, so they may just be apart of the crackme, like winsock crackmes.

Run with caution.

Edit: On further inspection, this program also adds itself to the auto startup list. Sounds malicious.


Its not malicious at all I swear. Also getting the exe out of the packed files was part of it.

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zart
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PostPosted: Sun Feb 03, 2008 10:02 pm    Post subject: Reply with quote

Just looking at the dead listing it looks like;

h3098ghdsn9834f
p98rewwghm09w3h

should work fine, though I can't test on this box without reinstalling my WINE.

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CrAsH OVeRiDE
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PostPosted: Sun Feb 03, 2008 10:18 pm    Post subject: Reply with quote

zart wrote:
Just looking at the dead listing it looks like;

h3098ghdsn9834f
p98rewwghm09w3h

should work fine, though I can't test on this box without reinstalling my WINE.


Yup you got one half the really easy part but they second part is to make a crack that makes any password correct.

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HolyBlah
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PostPosted: Mon Feb 04, 2008 8:23 am    Post subject: Reply with quote

CrAsH OVeRiDE wrote:
zart wrote:
Just looking at the dead listing it looks like;

h3098ghdsn9834f
p98rewwghm09w3h

should work fine, though I can't test on this box without reinstalling my WINE.


Yup you got one half the really easy part but they second part is to make a crack that makes any password correct.
This is the easy on.

All right except right one:
Quote:
First password:
Code:
004010E4 --> nop or ZF



Btw, next time dont put your passwords in strings.

Secound password:
Code:
00401133 --> nop or ZF
00401146 --> jz or ZF


Last check:
Code:
004011CF --> nop or ZF
004011E2 --> jz or ZF


Unlimited tries:
Code:
00401190  --> nop
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CrAsH OVeRiDE
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PostPosted: Mon Feb 04, 2008 7:58 pm    Post subject: Reply with quote

HolyBlah wrote:
CrAsH OVeRiDE wrote:
zart wrote:
Just looking at the dead listing it looks like;

h3098ghdsn9834f
p98rewwghm09w3h

should work fine, though I can't test on this box without reinstalling my WINE.


Yup you got one half the really easy part but they second part is to make a crack that makes any password correct.
This is the easy on.

All right except right one:
Quote:
First password:
Code:
004010E4 --> nop or ZF



Btw, next time dont put your passwords in strings.

Secound password:
Code:
00401133 --> nop or ZF
00401146 --> jz or ZF


Last check:
Code:
004011CF --> nop or ZF
004011E2 --> jz or ZF


Unlimited tries:
Code:
00401190  --> nop


You got it i know it wasn't the most difficult.

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PostPosted: Tue Feb 05, 2008 3:54 am    Post subject: Reply with quote

Its a crack me, not reverse me. Rolling Eyes
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