**Full write-up (+files):** [https://www.sebven.com/ctf/2021/11/14/K3RN3LCTF2021-1-800-758-6237.html](https://www.sebven.com/ctf/2021/11/14/K3RN3LCTF2021-1-800-758-6237.html)

Cryptography – 437 pts (28 solves) – Chall author: Polymero (me)

“I NEED A PLUMBER ASAP, MY FLAG IS LEAKING ALL OVER THE PLACE!!!”

nc ctf.k3rn3l4rmy.com 2233

Files: 1-800-758-6237.py

This challenge was part of our very first CTF, K3RN3LCTF 2021.

Original writeup (https://www.sebven.com/ctf/2021/11/14/K3RN3LCTF2021-1-800-758-6237.html).