GPNCTF

Writeups for GPNCTF challenges.

Year
Tags
Recognition
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2 / 2 items

Scanwich Station

Challenge by vurlo

A table-side QR reader for hungry guests and suspicious menus. One special order can make the scanner serve more than dinner.

2026-06-05 14 min read 5 solves / 405 points

Smile at me

Challenge by vurlo

Be careful, others might be able to find out your most sacred secrets! (Flag only consists of emojis surrounded by 'GPNCTF{...}') The remote instance is not deployed via Docker-compose but plain Docke...

2025-08-21 11 min read 1 solve / 500 points