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Infosec

You’ll find CTF write-ups and other infosec-related content here.

A drawing of a blue-ish round-ish platypus with big eyes, holding a laptop. This platypus is quite cute, but I might be biased.
Logo of the BreizhCTF 2025Image: ©︎ Bretagne Développement Innovation

Finisteg

Write-up of the Finisteg challenge from the BZH CTF 2025. This is a simple Android APK reverse engineering challenge.

2025-03-15Logo of the ECW 2023 CTFImage: ©︎ European Cyber Week.

ShellBoy

Write-up of the ShellBoy challenge from the 2023 edition of the ECW CTF. This is a pwn challenge for a Game Boy game.

2023-10-30Logo of the Ph0wn CTFImage: ©︎ Ph0wn CTF

Lost Legacy

Write-up of the CTF challenge 'Lost Legacy' from the Ph0wn CTF 2021. This is a reverse engineering challenge for an old bytecode format: Modula 2.

2021-12-07