Input as a Service - Cyberapocalypse 2021 CTF

This is a writeup for the Input as a Service challenge, part of the Hack the box's Cyberapocalypse CTF 2021, category Misc.


This is a companion discussion topic for the original entry at https://kblagoev.com/blog/input-as-a-service-cyberapocalypse-2021-ctf/