CSCG CTF writeups

Everyone loves canteen food

Challenge by Poory

Welcome to the canteen's online menu, where you can check out the daily specials and their prices. But is everything as appetizing as it seems?

2025-05-09 5 min read

vidplow

Challenge by Popax21

We recently stumbled upon an exposed SVN server of a large multimedia corporation, containing some of their backend application and internal tooling code. However, the access keys seem to not be the o...

2025-05-03 4 min read

KDF dream

Challenge by KillerDog

We've managed to insert ourselves into a secure channel between two covert agents, however we overplayed our hand and they have become suspicious that their channel is compromised. Realising that ther...

2025-05-02 9 min read

Air smeller

Challenge by D_K

I found this website where you can rate the smell of the air, after purification. Do you know a good purifier, maybe you can recommend some purifier to the people.

2025-05-01 7 min read

Hoster

Challenge by Unknown author

You gained access to a Linux server. Can you also gain privileges?

2024-05-23 4 min read

Photoeditor

Challenge by Unknown author

Recently I learned ASP .NET Core and boy, it's so magic! Dependency injection, dynamic routing, interfaces everywhere. But for me, it wasn't dynamic enough. So I extended the framework and now I got a...

2024-05-17 5 min read