сука блять TL;DR Analyze a malicious Excel file and extract its payload Description I found some Russian malware online and I have no idea what it’s doing D: Author: xenocidewiki The challenge provides us with a Finances2020covid.xlsm file Initial analysis First of all, when you download this file, Microsoft Defender warns you that it is […]
Category Archives: Windows Reversing
Bootloader
The Proclamation TL;DR Debug and fix a bootloader that decrypts a flag Description A mysterious file appeared on a deep dark web forum. Can you figure out what we can’t see right now? NOTE: Flags will be easily identifiable by following the format CS{some_secret_flag_text}. They must be submitted in full, including the CS{ and } […]
Game Hacking Part II
Follow the white rabbit TL;DR Hacking a Unity game to access hidden areas and patch new content in Description This is the second part of a two part series. In this part, we’ll try to implement more hacks and patch more content into the game Recap In part 1, we discovered the first flag as […]
Game Hacking Part I
Follow the white rabbit TL;DR Hacking a Unity game to access hidden areas and patch new content in Description Since I’ve encountered a hacker for the first time in a game, I’ve always wondered how they manage to exploit the mechanics in a way to fly or become unvincible. After I started participating in CTFs, […]
TJCTF 2020
Gamer R TL;DR Reverse a Unity game and patch it to get the flag Description This challenge was the last Reversing challenge for TJCTF and gave 80 points. The challenge provided you with a folder that contained a binary as well as several Unity related files and libraries. The game itself was pretty simple. All […]