destructeur's Sh4ll8

Author:
destructeur

Language:
C/C++

Upload:
2018-07-19 10:44

Download

Platform:
Unix/linux etc.

Difficulty:
3.0

Quality:
4.0

Arch:
x86-64

Downloads:
24

Size:
646.25 KB

Writeups:
2

Comments:
3

Description

This program seems to be packed. Our team was unable to unpack it. Please, you are our last hope! It doesn't matter how, just unpack the program and crack it. Good luck.

Comments (3)
Writeups (2)

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destructeur on 2018-07-27 15:43: Well played s4r! That was an unexpected bug, I'm pretty bummed out of that... I will also have to improve my anti-debug techniques.

BinaryNewbie on 2020-03-28 23:44: Solved, nice challenge.

jeffli6789 on 2020-07-07 06:46: I used gcore to dump the program before I input anything. To increase the difficulty, try to do anti-debugging BEFORE asking for any input (but also after unpacking itself). Also, as pointed out by @s4r, there is a small glitch of the program so that a partial password also passes the validation.

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Solution by s4r on 2018-07-27 14:34:
Interesting crack-me ! Even if it's a little buggy :)

Download

Solution by BinaryNewbie on 2020-03-28 23:42:
It contains a write-up and a python 3 script.

Download

crackmes.one

crackmes.one

destructeur's Sh4ll8