Author:
BlockLoader

Language:
C/C++

Upload:
2026-03-21 12:34

Platform:
Windows

Difficulty:
3.7

Quality:
2.5

Arch:
x86-64

Downloads:
54

Size:
20.50 KB

Writeups:
0

Comments:
1

Description

Abyss Gate is a Windows x64 crackme focused on reverse engineering rather than brute force. The binary accepts a single valid key and does not store it as plaintext. Validation is split across multiple stages: runtime-generated tables, custom state mixing, a VM-like execution layer, and anti-debug influenced control flow. Solving it cleanly requires understanding the verification logic, not just forcing the success branch. Goal: - Recover the correct key and make the program print "access granted". Rules: - Patching is forbidden. - The objective is to recover the real key, not bypass the check. Notes: - Standalone Windows x64 executable. - No external files or dependencies. - There is one intended solution path: reverse the checker and recover the real key. - Intended difficulty: hard. Good luck and have fun.

• Comments (1)
• Writeups (0)

You must be logged in to post a comment

You must be logged in to submit a writeup