: Use tools like exiftool to see if a password or hint was left in the file comments.
Example: rar2john two1.rar > hash.txt followed by john hash.txt . two1.rar
: Use the file command in Linux ( file two1.rar ) to confirm it is actually a RAR archive and not a renamed PDF or executable. : Use tools like exiftool to see if
: Scripts or executables that run once extracted. two1.rar
: Small files that expand to hundreds of gigabytes when uncompressed, crashing your system.
: The RAR file is often password-protected. In many write-ups, the password is hidden within a previous stage of the challenge, such as inside an image (steganography) or embedded in a network traffic capture (PCAP).