K3RN3L CTF 202 Zabomb You received a suspicious file from the k3rn3l4rmy hacking group, the title says, ‘Not a Zip Bomb, Please Open’, you decide NOT to open it and instead try to reverse it. It is recommended that you do NOT open this, it will fill your entire disk. Solving the challenge Luckily unzip was not able to do
3in1 Description Like Nescafeeeee! Attachments https://ctf.k3rn3l4rmy.com/kernelctf-distribution-challs/nescafeee/AES.py Todos To decrypt the string in the given AES.py script (String is in scriptfile as a comment). from Crypto.Cipher import AES from Crypto.Hash import SHA256 f = open('progress.txt', 'r') password = ("abda") hash_obj = SHA256.new(password.encode('utf-8')) hkey = hash_obj.digest() def encrypt(info): msg = info BLOCK_SIZE = 16 PAD = "{" padding = lambda s: s