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Articles tagged with #capturetheflag
Challenge Description Welcome to the Storybook Workshop! In this post, we are going to break down Cider Vault, an incredibly well-designed CTF challenge that serves as a masterclass in modern Linux he
Detailed Walkthrough The challenge provides us with a Python script, chall.py, and a ciphertext file, ct.txt. Our goal is to reverse the encryption process to recover the flag. Analyzing the Encryption Script We begin by examining the logic in chall....
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: ForensicsAuthor: qvipin Our threat intel team has been tracking KRAMPUS SYNDICATE for months now. Last week, we finally caught a break. We intercepted a file transfer between two of their operatives, some kind of encry...
Challenge Description Category: MiscellaneousAuthor: qvipin KRAMPUS SYNDICATE managed to get one of their operatives hired as an external contractor at NPLD's cloud infrastructure team. They've been given minimal access, but NPLD's IAM policies are.....
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...
