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[UnpackMe+KeygenMe] BitLocker #1


LulzCoder
Go to solution Solved by kao,

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Hello Everyone,

 

I found a nice keygenme and unpackme on http://www.rohitab.com/discuss It's coded by BitLocker, so all credit goes to him.

Thought it will fun to solve, thus posted here. Rest about level, see yourself and decide :smilie3:Rules :
1. Unpack the EXE
2. Write a valid Keygen
3. A TutorialOut of rule :
1. No self keygenning
2. No modification in main EXE in any condition

 

If you think I am uploading here to get this solved for myself, then you are wrong. :sneaky2:
Here is my serial :
Name : LulzCoder
Serial : OEYyQS1EMDFFLTVDRUEtQjQwQg==
 

UnpackMe+KeygenMe by BitLocker.zip

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Any crackme that generates correct serial and then makes rule "no selfkeygen, no ripping of code" is a boring crapme.


 


My serial (I can't actually test it, as it won't run on my system at all and I'm too lazy to debug it):



kao


MkFCQS01MjVGLTg4QUUtMTVDMQ==



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I guess how youv'e unpacked this ? May I have a discription ? It was not packed on rohitab (original one), and before uploading here I packed it.


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  • Solution

I did it the standard way:


1) find oep - quite easy, the trick with memory access violation and SEH was a giveway;


2) dump from memory. PETools work;


3) fix 3 imports from GDI32. Imprec Trace Level 1 took care of that;


4) done.


 


I'm sure there are also several tutorials and scripts for Yoda Protector (if that's what you used). Just search the forum.


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