“Knock knock knocking on shuttles door” (Challenge Writeup)— Hacky Holidays Space Race 2021 CTF. Challenge Information — This challenge used hackazon platform backend systems that had to be started before solving could begin. — A VPN connection was necessary to access this challenge — This challenge had three flags to get. — This challenge had a file for download (ChallengeWordlist.txt)

More info here: https://medium.com/@leonuz?p=263bfbb5a306

Original writeup (https://medium.com/@leonuz/knock-knock-knocking-on-shuttles-door-challenge-writeup-hacky-holidays-space-race-2021-ctf-263bfbb5a306).