BrunnerCTF 2025
Get ready all cyber chefs and code connoisseurs, Brunnerne has cooked up their very first BrunnerCTF for all of you to enjoy!
We have prepared a fresh batch of delicious challenges with all your favorite flavors: Web, forensics, rev, crypto, pwn, OSINT - but perhaps also a few secret ingredients to surprise your palette!
The CTF is aimed mostly at home cooks with a bit of experience, but we have something for every taste: From an entire "Shake & Bake" category for those most comfortable sticking to instant noodles to a few chef's specials that will challenge even the most experienced Masterchefs.
Site: https://ctf.brunnerne.dk/ Discord: https://discord.gg/ZSNXY2sjyJ
Proudly sponsored by: - Campfire Security - CyberSkills - Bankdata - Hetzner (infrastructure): https://htznr.li/BrunnerCTF
Web 7
| Challenge | Has |
|---|---|
| ArrayVM | files |
| CakeChat | files |
| EPIC_CAKE_BATTLES_OF_HISTORY | files |
| Recipe_for_Disaster | files |
| Single_Slice_Of_CakeNews | files |
| The_Cake_Warehouse | files |
| Waffles | files |
Pwn 8
| Challenge | Has |
|---|---|
| Dat_Overflow_Dough | files |
| Obligatory_Heap_Pwn | files |
| Online_Cake_Flavour_Shop | files |
| Othello_Villains | files |
| Recipe_Storage | files |
| Shortcake_QL | files |
| The_Ingredient_Shop | files |
| The_Ingredient_Shops_Revenge | files |
Reverse 11
| Challenge | Has |
|---|---|
| Bake_and_Forth | files |
| Bake_to_the_Future | files |
| Baker_Brian | files |
| Bakeware | files |
| Grandmas_Predictable_Cookies | files |
| Rolling_Pin | files |
| Textopolis | files |
| Timing_is_Everything | files |
| Trippi_Troppa_Chaos | files |
| Un_Pirateable_Baking_Game | files |
| Un_Pirateable_Baking_Game_2 | files |
Crypto 11
| Challenge | Has |
|---|---|
| Cheesecake | files |
| Encrypted_and_Desperate | files |
| Half_Baked | files |
| Peppernuts | files |
| Pretzel | files |
| Secret_Brunner_Recipe | files |
| Shaken_Not_Stirred | files |
| The_Complicated_Recipe | files |
| The_Cryptographic_Kitcheni | files |
| Whisk | files |
| pi_crypt | files |
Forensics 8
| Challenge | Has |
|---|---|
| Digging_For_Treasure | files |
| DoughBot | files |
| Memory_Loss | files |
| New_Order | files wu 1 |
| The_Cinnamon_Packet | files |
| The_Real_Windows_Experience | files |
| The_Secret_Brunsviger | files |
| VeryCheap | files |
Misc 14
| Challenge | Has |
|---|---|
| boot2root | files |
| Bakerman | files wu 1 |
| Based_Brunner | files |
| Cake_Constellation | files |
| Cake_Vault | files |
| Im_lost | files |
| Lua_Tax_Calculator | files |
| No_Calls | files |
| Pair_Baking | files |
| Pie_Recipe | files |
| Planesi | files |
| The_Great_Mainframe_Bake_Off | files |
| The_Yeast_Key | files |
| steg | files |
OSINT 4
| Challenge | Has |
|---|---|
| Scandinavia_and_the_World | files |
| There_Is_a_Lovely_Land | files |
| Traditional_Cake | files |
| Train_Mania | files |
Mobile 4
| Challenge | Has |
|---|---|
| BakeDown | files |
| Brod_and_Co. | files |
| FridayCake | files |
| RivalCakes | files |