UofTCTF 2025 - Simple File Storage Writeup

Simple file storage is a misc challenge which extracts uploaded zip files given they pass a handful of checks. Whilst the intended solution was to use a zip-tar polygot file, this writeup details the discovery and exploitation of using a single zip archive.

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BSidesCbr CTF 2023 bfbl Writeup

bfbl was a pwn challenge at the BSidesCbr CTF which got 1 solve. Whilst I didn't attend the conference in person, I did help the skateboarding roomba team (a mix of FrenchRoomba and Skateboarding Dog players) secure first place. Shout out to Grassroots Indirection and Emu Exploit on second and third respectively.

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TUCTF2022 Generic Platformer Writeup

Generic Platformer was a reverse engineering challenge part of TUCTF 2022. The application we are reversing is not a productive application, rather it is a game.

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HITCON CTF 2022 web2pdf Writeup

web2pdf is a web challenge which allows us to convert any webpage into a pdf file. Our team, 🇫🇷🛹🐻 were first to solve the challenge, with emily and hashkitten being immensely helpful in solving this challenge.

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