ctf-writeups

BrunnerCTF 2025

Link: https://brunnerctf.dk/

CTFTime: https://ctftime.org/event/2835

Result: 2430 Points, 144th Place

Solved Challenges:

Forensics:

• New Order

Crypto:

• Cheesecake
• Encrypted and Desperate
• Half-Baked
• Peppernuts
• The Complicated Recipe
• The Cryptographic Kitchen!

Web:

• Brunner’s Bakery
• Brunsviger Huset
• EPIC CAKE BATTLES OF HISTORY!!

Pwn:

• Othello Villains
• The Ingredient Shop

Reverse:

• Grandma’s Predictable Cookies
• Trippi Troppa Chaos

OSINT:

• There Is a Lovely Land
• Train Mania

Misc:

• Pie Recipe
• The Yeast Key

Shake & Bake:

• BakeDown
• Baker Brian
• Based Brunner
• Cookie Jar
• Dat Overflow Dough
• DoughBot
• Insanity Check
• Join the DIscord!
• Online Cake Flvaour Shop
• Rolling Pin
• Sanity Check
• Shaken, Not Stirred
• The Great Mainframe Bake-Off
• The Secret Brunsviger
• TheBakingCase
• Where Robots Cannot Search
• Whisk