There was another challenge just like this in the Square CTF at the Grace Hopper Celebration. Unfortunately that CTF is still going on until Friday, but it was

There was another challenge just like this in the Square CTF at the Grace Hopper Celebration. Unfortunately that CTF is still going on until Friday, but it was a fun challenge; worth looking at if you get a chance. Otherwise, there will undoubtedly be writeups coming after the CTF ends.