The Matrix | Web - UMDCTF 2021
From thif CTF, we have got website’s IP >
Only interesting thing on website was /the-matrix subpage that redirects to /403 where we could see this message
This page is for robots only, you are not allowed to access this content!
This message gave me a hint that with Google Bot User Agent I should be able to see the real content of /the-matrix page
curl -A 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)' http://chals5.umdctf.io:4000/the-matrix
Using this command ends up with a flag
CC BY 4.0 WaletSec + HuntClauss