UIUCTF 2024 — The Weakest Link
LISA and the secret business partner have a secret Spotify collaboration planned together. Unfortunately, neither of them have the opsec to keep it private. See if you can figure out what it is!
This is part three of a three-part OSINT suite including Hip With the Youth, An Unlikely Partnership, and The Weakest Link. I recommend starting with the other two challenges!
In UIUC-chan's LinkedIn contact info, we can find a link to her Spotify:
Unfortunately, UIUC-chan only has one public playlist, and no clues with saved playlists or followers.
Indeed, searching anything related to LISA or UIUC-Chan return no relevant results.
Instead, we can follow UIUC-Chan, then inspect their recent activity via "Friend activity" in the Spotify app.
Looking at this recently played playlist, we get the flag: