TLOD's CrackThis

Author:
TLOD

Language:
C/C++

Upload:
2021-05-16 20:15

Download

Platform:
Windows

Difficulty:
2.1

Quality:
3.3

Arch:
x86

Downloads:
12

Size:
12.50 KB

Writeups:
2

Comments:
12

Description

A new crackme involing a tiny bit of randomness, which is never truly random. As always, only use numbers for the password. Enjoy!

Comments (12)
Writeups (2)

You must be logged in to post a comment

pranav on 2021-05-19 13:45: I kinda see that you take time and get a random number based on that, but I couldn't identify what you do with the array initialization, but you take some values from the array depending on the random generator, and then you generate the 'password'. I'd like to see the source code.

TLOD on 2021-05-19 14:15: no problem, dm me on discord TLOD#0882

Colby5Covington on 2021-05-19 18:32: A good challenge for beginners, there are many different ways to solve this crackme. But the most efficient way is to place breakpoints on EBX, because that's where the entire result is saved after the switch

hrkrx on 2021-05-19 23:50: After the first wrong try the key stays fixed in EBX, seems a little too easy to call it random. I'd change it after every unsuccessful try

4epuxa on 2021-05-20 12:19: Colby, я думал ты уже тут не сидишь)))

mohammadali on 2021-05-23 08:45: [Click to reveal]

mohammadali on 2021-05-23 08:46: https://github.com/ORCA666/patched-files/tree/main/TLOD's%20CrackThis

TLOD on 2021-05-23 18:16: Hey mohammadali, if you wish to see the source code of this crackme, you can dm me on discord TLOD#0882

hwpoison on 2021-07-20 06:47: Amazing excercise!

Sidd_Tim on 2021-12-11 16:04: Very awesome challenge. You can solve this via 3 ways: - using x32 debugger - patching the binary after cmp instruction - well injecting asm into the binary to display the password

askuytr78 on 2022-03-21 13:24: its a easy im cracking this program in 43s xd

jeffli6789 on 2026-01-04 06:25: This crackme had been reviewed when it was originally approved and is likely safe. Crackmes often get flagged by antivirus software, EDR systems, or VirusTotal because they may use the same protection techniques found in malware (packers, anti-debugging, self-modifying code, etc.), or simply a false positive. This does NOT mean the crackme is actually malicious. The only way to confirm whether something is truly malware is to reverse engineer it and find proof of malicious code and/or malicious behavior. If you still believe this is actual malware, please report it to us via email: crackmesone@gmail.com. **We encourage everyone to run crackmes in a VM (virtual machine) and exercise caution when executing unknown binaries.** *Disclaimer: We do our best to review submissions, but mistakes can happen. The administrators and crackmes.one cannot be held liable for any damages or losses resulting from the use of files downloaded from this site. Always exercise caution and use a sandboxed environment.*

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Solution by MrEmpy on 2021-05-17 19:05:
In this Write Up I used the x32dbg tool to crack the program

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Solution by dev0 on 2021-05-20 00:34:
Simple write up and password generator C source file

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