Feb 8 · 3 min read · 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...
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Jan 1 · 9 min read · 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...
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Jan 1 · 5 min read · Challenge Description Category: Binary exploitationAuthor: _avyra NPLD analysts recovered a fragment of the KRAMPUS Syndicate’s KDNU-3B navigation firmware during a recent incident response sweep. The module appears to handle routing adjustments for ...
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Jan 1 · 7 min read · 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...
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Dec 22, 2025 · 5 min read · 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. ...
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Dec 17, 2025 · 7 min read · 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...
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Dec 13, 2025 · 5 min read · 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 ...
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Sep 19, 2025 · 3 min read · Binary Exploitation, as cool as the name sounds it’s a game of fundamentals, low level programming and knowing the CPU and how to compiler behaves and gets work done by the CPU. Like most people my introduction to Binary exploitation was through CTFs...
Join discussionJul 20, 2025 · 3 min read · week นี้ไม่ค่อยว่างมีนัดไปนู่นนี่ ว่างเล่นข้อเดียว ถือว่าแปลกใหม่พอสมควร ไม่เคยทำ pwn บน python เลยจั้บ มาดูกันว่าถ้าเรา Arbitrary Write บน Python เราทำไรได้บ้าง โจทย์ให้มาหนึ่งไฟล์ fakeobj.py สั้น ๆ ง่าย ๆ คือ write ได้ 72 bytes ทับที่ตัวแปร obj ที่...
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