downloadbrowseborismilner's 4N006135 - Level 5

Download level-5.zip, 22 kb (password: crackmes.de)
Browse contents of level-5.zip

This one is a direct successor for my previous 2 submissions

http://crackmes.de/users/borismilner/4n006135/
and
http://crackmes.de/users/borismilner/4n006135_level_4/

Enjoy and please let me know what do you think of it :)

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

Published: 28. Oct, 2015
Downloads: 482

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Solutions

Solution by acruel, published 10. dec, 2015; download (2 kb), password: crackmes.de or browse.

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Discussion and comments

acruel
31. Oct 2015
The instruction at 0x00408421 write to an unexpected location of the memory when the value of edx is negative. Is this a bug?
acruel
01. Nov 2015
Another serious bug. The strncpy at 0x004083C9 doesn't null terminate the copied string. You need some luck to success.
truthhk
15. Nov 2015
hi acruel ,i dont think this is a bug ,few days ago ,i upload the keygen code already
truthhk
16. Nov 2015
i write the keygen code by c already
truthhk
16. Nov 2015
why there is no display
sidak
18. Nov 2015
It was to easy,there are no bugs,u can just skip 2nd pass and get to good work.Just assemble the sorry part to get directly to good work,and u r done.If u need tutorial then u can msg me :D
RAR1991
04. Dec 2015
what we need is a keygen not a patch
truthhk
13. Dec 2015
i m sorry ,i only upload the keygencode ,my solution is injected ,i will write the sulotion later
sadfud
07. Jan, 20:17
spanish solution here https://reversecodes.wordpress.com/2015/12/19/4n006135-crackme-ensamblador-4-niveles/

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