$ ctf42

NNS 2025

official repo

Join us for the first edition of jeopardy-style CTF organized by the Norske Nøkkelsnikere CTF team! There will be challenges in various categories such as web, misc, crypto, blockchain, devsecoops, rev, pwn, community-made and more! Everyone is welcome to join the CTF — beginners, students, intermediate players, and experts.

Discord: https://discord.gg/9AZr3WKrjG

Sponsors: OtterSec, EPT, River Security

For onsite locations, please visit our discord server.

Web 6

Challenge Has
GOllum files
This_then_what_huh files
agebarrier files
enemies files
guardrails files
man files

Pwn 6

Challenge Has
JWarmup files
Kachow files
The_infamous_notes_app files
alpha files
haatetepe files
noters files

Reverse 7

Challenge Has
DSP files
DotDotDot files
breaker files
mVM files
mandatory files
slowdoor files
wannarealflag files

Crypto 8

Challenge Has
Crypto_Party files
Live_Laugh_Love files
One_Point_Wonder files
Origami files
PointEncryption1 files
PointEncryption2 files
Yo_DOC files
babyrsa files

Misc 14

Challenge Has
CTF_speaker files
Car_Park files
Collatz files
LE_Secure_Connections files
Landing files
Mountaineer_Turbo files
Translator_not_clanker files
Viewing_Pulses files
astchoo files
card7 files
grooves files
holychem files
rtfm files
tobe files

OSINT 1

Challenge Has
Touching_Grass files

Blockchain 6

Challenge Has
archaeology files
badlock files
chail files
grinch files
huffameg files
lmnop files