Vaccine- Starting Point Walk-Through

My biggest gripe with this box was the FTP access - is there any way to find the FTP credentials other than reading the walk through? I wasted hours trying to brute force it before I gave up and checked the tutorial - the creds are right there but there’s no indication given that they can be acquired any other way… seems a bit cheap if you ask me.

You can find a config file in another machine with the credentials