Web · Series I–IV · Pwn2Play 2026

The Sign of Four

Four flags hidden across four layers of the DMUHackers website: robots.txt, the browser console, a terminal feature, and the JavaScript. No fixed order. The challenge ran on its own infrastructure, so this page holds the brief and the solution.

Challenge files

Open anything you like.

External dmuhackers.com

The live challenge, the four flags are hidden across the DMUHackers website.

Writeup Brief

Challenge prompt and objective, non-spoiler.

Writeup · spoiler Solution

Full author walkthrough and the four flags.