genass3's Patch protect

Author:
genass3

Language:
C/C++

Upload:
2025-08-30 09:20

Download

Platform:
Windows

Difficulty:
1.8

Quality:
4.2

Arch:
x86-64

Downloads:
47

Size:
6.49 KB

Writeups:
1

Comments:
12

Description

Try to patch, should be not so hard, also you can find password very easily, if you have eyes :) Ur main goal is patch. Also feel free to give a feed back about the protection, i would like to read and improve. The source code of the protection - https://github.com/generin0/PatchGuard The source code of the crackme - https://github.com/generin0/crackme1

Comments (12)
Writeups (1)

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mxo on 2025-09-01 11:09: * Can be found statically if you know how the key is obfuscated. * OR when debugging, identify the CRC check and NOP it * OR (easy way) Run till it asks for key, then dump from memory :)

kiokko89 on 2025-09-01 18:45: my first crackme! i patched the call to "createthread" so the integrity check doesn't start

iwannabecoder on 2025-09-14 19:37: i dont know how to solve this its too hard my discord : zhqa_

Zailox on 2025-09-16 20:25: Changing jne jumps to "Wrong key" to jmp`s to "Welcome" is considered a successful patch? It's okay to look for the key, but why try to bypass something for a simple patch?

genass3 on 2025-09-18 00:05: Zailox, yes it counts as a successful patch, but this crackme wasnt suppose to be hard, i just wanted to test my patch protect a little bit, i wanted to weed out easy methods of bypass or make them more difficult to use, thats the reason i made a v2

bytehandler on 2025-09-18 23:54: [Click to reveal]

genass3 on 2025-09-19 01:22: @bytehandler: Thx for your explanation, it would be helpful for beginners

PL45M4 on 2025-10-03 20:20: Here is my writeup on this crackme: https://bobbyhillreverseengineering.blogspot.com/2025/10/crackme-genass3s-patch-protect.html Thank you genass3 for the challenge. I left a little note at the end for you. You may have already implemented those suggestions in your V2.

genass3 on 2025-10-04 06:12: @PL45M4: Yes i did implement most of ur recommendations in v2, but i forgot to crypt some of strings unfortunately, btw nice writeup!

Breachz on 2025-10-16 07:14: Nice one, thanks a lot!

Zejzz on 2025-10-31 16:27: Not sure if i solved it in a way it was not intended to be solved - but the protection did not detect my patch. I looked for string refrences in x64dbg then where it says try again i just changed the bytes to load address of great job welcome and then jump to there

Hussam on 2025-11-25 16:29: Nice one ,I think i found a creative but simple solution ,I changed the suspend count of the thread , so , it wont launch when you create it , until suspend count =0;

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Solution by Phaazes on 2025-09-02 16:22:

Download

crackmes.one

crackmes.one

genass3's Patch protect