Room recap: Zeus was a room packed with new and challenging concepts for me. To retrieve the flag, I had to reverse an XOR encryption algorithm embedded in the program’s binary. The main tool that ...

Room recap: Philtered was the next room I managed to solve in DUCTF2025, and honestly, the moment I saw the name, I got a hunch it might involve some kind of LFI (Local File Inclusion) or PHP filte...

Room recap: Mini-me was honestly a surprising CTF room. I didn’t expect them to go full brain rot mode as the core theme for this challenge. Basically, all you need to do is carefully read through ...

Room recap: Discord was a relatively easy and straightforward challenge. I believe its main purpose was to help players familiarize themselves with the flag format used in DUCTF2025. To solve it, a...