Author:
ultrazvukoff

Language:
C/C++

Upload:
6:08 PM 07/19/2025

Download

Platform
Windows

Difficulty:
4.5

Quality:
4.0

Arch:
x86-64

Description

This is the most difficult version of all the crackme I've published before. It was popular in 2022-2023. The solution is either to find the password or to patch the program! So far, no one who has access to this crackme has solved it. Good luck, you'll need it!

• Comments
• Writeups

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ultrazvukoff on 8:43 PM 07/24/2025: Hasn't anyone tried it? Tell me what the difficulty is, and I'll try to help you.

nightxyz on 11:44 PM 07/24/2025: I am interesting. Couldn't find the trigger point of messagebox. csrss.exe handles it. Ordinary messagebox, createwindow, dialogbox functions don't work. I see createwindow inside thread but breakpoint inside thread doesn't work because of packer. Anti-debug also bothers me. There are lots of obfuscation codes and decoding mechanism to decode function names. I didn't understand the crackmes name relation with DLL. I didn't encountered any DLL structure inside exe file. Messagebox comes to screen after some delay, so this makes it difficult to detect. I am sure it is inside thread but didn't find yet. Because there are lots of threads.

ultrazvukoff on 6:30 AM 07/25/2025: @nightxyz, you're not looking well bro, the title is directly related to the task, hint: watch runtime carefully

dredge on 7:54 AM 07/25/2025: trivial crackme. https://imgur.com/JbCwxhj

ultrazvukoff on 8:07 AM 07/25/2025: @dresge, wow legend! make writeup please

ultrazvukoff on 8:27 AM 07/25/2025: @dredge maybe can you give your tg or other messengers?

nightxyz on 9:56 PM 08/11/2025: Password : 2--P4F4564865464564564 after P character, it is randomly enter by me. A little try needed to solve.

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