downloadbrowseXzzX's XzzX#CrackMe3

Download XzzX-CrackMe3.zip, 3 kb (password: crackmes.de)
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*******************************************
************** XzzX#CrackMe3 **************
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author:
XzzX
created:
30/07/2007
language:
Assembler / MASM

difficulty:
2/10

goal:

gold:
write a keygen
silver:
find a serial for your name
bronze:
patch it :-(

additional point:
How is the algo called?

rules:
for a solution you have to do it the gold way ;-)

info:
no anti-debugging tricks
no packer

Don't cheat! ;-)

If you encounter a problem/bug/question/etc feel free to write a comment or send me a pm.

Please send me your solution when you've solved it. ;-)

gl&hf
XzzX

Difficulty: 2 - Needs a little brain (or luck)
Platform: Windows
Language: Assembler

Published: 04. Jul, 2007
Downloads: 1087

Rating

Votes: 3
Crackme is boring.

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Solutions

Solution by frugurt, published 30. jul, 2007; download (200 kb), password: crackmes.de or browse.

frugurt has rated this crackme as quite nice.

Solution by TiGa, published 27. jul, 2007; download (35 kb), password: crackmes.de or browse.

TiGa has not rated this crackme yet.

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Discussion and comments

XzzX
Author
04. Jul 2007		crackme is solved when it says "Registered to: <your name>"

could be a little bit confusing without this information
red477
04. Jul 2007		Much easier than your previous 2 crackme;)
XzzX
Author
04. Jul 2007		I know i just wanted to try out the algo.
There will be a harder one soon. ;-)
KernelJ
21. Jul 2007		Haven't solved it yet, but at least I know where the decryption takes place :P Although still a little confused... "Registered to: RkiN8aqp" lol I think I may have done something wrong there...
KernelJ
21. Jul 2007		Apparently your name isn't allowed to be shorter than 8 letters... What if your name is real short and you don't have any middle names? Joe Cox of joecox.com will not be happy about this!
XzzX
Author
22. Jul 2007		Have you ever thought of spaces?
KernelJ
22. Jul 2007		Yes, but probably not in the way you're thinking of. In fact, if you were intending on padding the name with spaces anyway, why on earth didn't you implement that into your program instead of just rejecting it?

Anyway, my keygen is done. Just need to upload...
XzzX
Author
22. Jul 2007		I think the name is irrelevant for crackmes. I just want to get some startup information for my algo.
In a real protection I could use something different.

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