: Usually, the password is hidden within the challenge description, a related image (steganography), or metadata [1, 5].
: Use 7z2john.pl BeginnersFluteLessons.7z > hash.txt [3]. Crack Hash : Run john --wordlist=rockyou.txt hash.txt [6].
: Look for non-obvious files or large "padding" in the extracted files that might indicate hidden data [5].