CTF Team at the University of British Columbia

NOTE: All flags will begin with either the prefix maple{ or flag{.

Reversing

x86 binary

8b64240844464c614731db4331fd6681ff676c751d31fe81fd541840
1a7513c1ef106681ff6167750981fe1c1f165475014b31c040cd8090

Pwn

Crypto

Stack exchange says everyone uses AES-GCM, but I don’t need the tag so I’ll just use CTR

For complete newcomers, I would recommend giving this companion guide a read, it covers some background and gives you the gist of how this challenge is solved

Forensics

There’s nothing here… or is there?