This is a writeup of the crypto challenge Mayday! from the TFC CTF Points: 50 Premise We are sinking! The nearest ship got our SOS call, but they replied in pure gobbledygook! Are ye savvy enough ...

This is a writeup of the misc challenge Rules from the TFC CTF Points: 50 Premise Let’s have fun together, by reading the rules. Challenge link: Rules from the CTF Observations This challenge i...

This is a writeup of the forensics challenge LIST from the TFC CTF Points: 50 Premise Who knew RCE was this useful? list.zip Challenge file: list.zip unzips to contain list.pcap Observations An...

This is a writeup of the forensics challenge Down Bad from the TFC CTF Points: 50 Premise The flag is right there! down_bad.png Challenge file: https://drive.google.com/file/d/1k16yKbV_6fgrSFjg0...

This is a writeup of the web challenge The Ticketsystem from the Security Valley CTF Level: 2, Score: 30 Premise Pwnme.org has released a bug bountry program. Let’s go on the hunt. All your skills ...

This is a writeup of the web challenge The Ticketsystem from the Security Valley CTF Level: 3, Score: 40 Premise Our IT department has released a new web based support system. Every user can now cr...

This is a writeup of the web challenge Cookie api from the Security Valley CTF Level: 1, Score: 15 Premise This API here has a strange behavior. The endpoint /api/v1/init produces cookies. Ok! The ...

This is a writeup of the web challenge Simple one from the Security Valley CTF Level: 1, Score: 5 Premise Our administrators have forgotten a file on our web server. This file is very important for...

This is a writeup of the network challenge Malicious traffic from the Security Valley CTF Level: 2, Score: 20 Premise Strange things are happening here, help! Someone stole my flag. I only remember...

This is a writeup of the network challenge The data from the Security Valley CTF Level: 1, Score: 5 Premise There is pcapng file. Can you, again, reveal the flag ? Link: https://github.com/Securit...