Bob L'éponge

Challenge description:

I’m an epic hacker and I’m trying to start a YouTube channel to show off my skills! I’ve been playing around with some of the video settings and stumbled upon a few cool features. Can you find the secret I’ve hidden? https://youtu.be/DXZrAGYS6X8

Alright, so we’re given a youtube video titled test. Now, this video is actually a red herring. I know, crazy right? A red herring in a CTF. If we go to the youtube channel we’ll see that they have a YT Short named test3, so we can safely assume that there’s a test2 hidden somewhere, and upon further investigation it seems to be the case. They channel has a playlist with 1 unlisted video named test2

A great tool for video forensics is https://mattw.io/youtube-metadata/, and plugging the video link into there reveals many things about the videos metadata, including a flag in the tags.

FLAG: INTIGRITI{t4gs_4r3_m0stly_0bs0l3t3_zM1H7RH6psw}