This is a writeup of the CERT-SE CTF 2024 challenge by CERT-SE, Sweden’s national CSIRT (Computer Security Incident Response Team) Premise <scenario> A fictional organisation has been affecte...

This is a writeup of the Forensics challenge New C2 Channel? by swampCTF Points: 125 Premise Sometimes you can exfiltrate data with more than just plain text. Can you figure out how the attacker sm...

This is a writeup of the Forensics challenge pingpong by swampCTF Points: 53 Premise What happened to my traffic??? The pings?!?? They’re taking over!!!! They’re… ping… pong pingpong ping find my p...

This is a writeup of the Forensics challenge Notoriously Tricky Login Mess 1 & 2 by swampCTF Points: 100 & 231 Preface This challenge was split in 2 parts, but as I will explain, both secti...

This is a writeup of the Pwn challenge Off The Hook by swampCTF Points: 300 Premise We did some dabbling with apk’s, have fun! Challenge files: swamp.apk Observations We get a single apk file. Lu...

This is a writeup of the Pwn challenge Beginner Pwn 1 by swampCTF Points: 25 Premise Pwn can be a pretty intimidating catagory to get started in. So we made a few chals to help new comers get their...

This is a writeup of the OSINT challenge Hidden Snack Stop by swampCTF Points: 75 Premise I found this really good chips place, but I don’t want it to be crowded, so I’ve blurred everything. Hahah...

This is a writeup of the OSINT challenge Aerial Attack by swampCTF Points: 50 Premise Find where this photo was taken! Make sure to keep your eyes out for the hawks though! The flag is the truncat...

This is a writeup of the OSINT challenge Lost in Space by swampCTF Points: 25 Premise I think OSINT challenges are stupid! If they aren’t, prove it! How far away is this? Don’t bother giving me the...

This is a writeup of the misc challenge The Time Equations by swampCTF Points: 154 Premise I have found the secrets of time travel hidden in 5 linear equations! HOWEVER, they need to be solved with...