Hackim 2019 – Cat (misc)
This challenge provide us a file called «final» and the description is «Decrypt the file to unlock the door». The first thing I do is make a cat command to the file, and faces of cat emoticons appear: This sounds like an esoteric programming language. After looking in google I see this that fits perfectly: https://esolangs.org/wiki/Unicat https://github.com/gemdude46/unicat After executing the python file to decipher what is hidden, we have this: These instructions are from the implementation of the language itself,…