Unknocking write-up (CyBRICS CTF 2019 Quals)
Unknocking was a networking task on CyBRICS CTF 2019 quals. The objective of the task was to reverse engineer a port knocking daemon that implements unconventional »
0CTF/TCTF 2019 Quals: Sixology write-up
Sixology was a reverse task which 2 teams managed to solve during the CTF. You can find summary section (TL;DR) as well as some links »
Diagon Alley write-up (FAUST CTF 2018)
Overview This task is a service which is running on team's vulnbox (server). It can be seen in traffic that check system frequently connects to service »
primepwn write-up (34C3 CTF)
This is a pwn task from the 34C4 CTF. The goal is to write a shellcode using only prime bytes. »