cbm-hackers's jumpjumpjump

Author:
cbm-hackers

Language:
C/C++

Upload:
2018-12-19 18:53

Download

Platform:
Unix/linux etc.

Difficulty:
2.2

Quality:
5.0

Arch:
x86-64

Downloads:
11

Writeups:
4

Comments:
6

Description

Another simple but tricky crackme.... enjoy!!

Comments (6)
Writeups (4)

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Yuri on 2018-12-25 23:44: Its a good one, just took some time to look at.

cbm-hackers on 2018-12-26 16:49: so how you do it?

Yuri on 2018-12-27 18:33: @cbm-hackers I did post solution :) How close was the reverse engineered code? I think strcat_str() is pretty same as yours, everything the idea is there.

cbm-hackers on 2018-12-28 03:02: Yes its almost the same....good job

SarkastikRival on 2019-07-06 17:28: Just getting started with RE. This was a very good beginner level!

phnixir on 2020-09-12 12:03: first level 2 crackme i solved! very nice beginner level crackme

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Solution by Yuri on 2018-12-25 23:44:
This is solution. Text file contains explanation of crackme, C source code, and Assembly with comments.

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Solution by c1 on 2018-12-28 01:13:
A simple Z3 solver based solution, overkill? sure..

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Solution by vastopol on 2019-09-08 19:24:

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Solution by redkage on 2021-04-28 13:09:
Found it using Cutter + IDA. Mostly IDA for debugging and checking the cmp values to understanding what was going on. And Cutter to decompile and have a better overall view of the program. Solution and explanations attached

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crackmes.one

crackmes.one

cbm-hackers's jumpjumpjump