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Challenge Walkthrough 1. Introduction In this challenge, we are presented with a Tic-Tac-Toe game written in C. The game uses a "Minimax" algorithm, which is a mathematical way for a computer to play perfectly. Under normal circumstances, you can onl...

Challenge Description Category: Binary ExploitationAuthor: _avyra The Krampus Syndicate relies on small, deliberate changes to control systems without replacing them. This binary was used during an intrusion to apply a precise modification to an exis...

Challenge Description Category: Binary exploitation Author: qvipin The KRAMPUS Syndicate has been using a small remote endpoint they quietly dropped on compromised NPLD machines. When they gain access to a system, they connect to this endpoint and fo...

Challenge Overview Category: Pwn / Jail Escape The challenge provides a remote FreeBSD environment where we interact with a specialized shell called env_manager running inside a Jail. The goal is to read the flag located at /flag on the host system. ...

Understanding binary exploitation is one of the most important foundations in penetration testing. Classic buffer overflow vulnerabilities shaped the history of computing, and although modern systems now use stronger defenses like DEP and ASLR, these...

Challenge Description Category: Pwn / Binary Exploitation Author: M0H1.T3L We lost Something, Can you Find it! Solution Walkthrough Initial Reconnaissance and Protection Analysis We begin by analyzing the binary's file type and security protections ...
