Our team, Heaven’s Birds, got the 1st place at Hack.INI CTF 2022. This CTF was organized by Shellmates club from the Higher School of Computer Science (ESI). Here are write-ups for some challenges in the Jail Escape category. Pyjail 1:

Our team, Heaven’s Birds, got the 3rd place at the CSAW CTF 2021 Finals MENA Region, and 26th internationally. This CTF was organized by members of NYU Tandon School of Engineering’s OSIRIS Lab. This is the Write-up for the Cryptanalysis challenge “iBad”.

Our team, Heaven’s Birds, got the 3rd place at the CSAW CTF 2021 Finals MENA Region, and 26th internationally. This CTF was organized by members of NYU Tandon School of Engineering’s OSIRIS Lab. This is the Write-up for the reverse engineering challenge “maze”.

LunarWinds is a Reverse Engineering challenge. Unfortunately, I wasn’t able to complete it during the CTF, but here is its write-up anyway. We are given a 64bit PE and a pcap file. …

Our team, Heaven’s Birds, got the 2nd place in the IngeHack CTF, organized by the club Ingeniums from esi-sba. Here are write-ups for some of the challenges. Encryption Service Category : Crypt-analysis This challenge uses the Paillier cryptosystem to encrypt the flag. One of the Homomorphic properties of this system is…