Cyber Apocalypse Challenge 2022 — Wide
The Wide challenge was in Reversing category and has the following description:
The challenge had a downloadable part, which contains an executable and a data file. In order to execute the executable you have to provide a path to the data file on the command line:
After decompilation we could see that there is a check for a specific password:
If the check succeeds it will output something.
Getting the flag
So I have started the challenge and provided the decryption key, which we can see in line 152. After that I was able to retrieve the flag: