If : Used steghide or stegsolve to check for steganography.

hidden_image.png , notes.txt , or encrypted_flag.txt . Action: Analyzed the extracted file.

If this was part of a series, often the filename of a previous file or a string within a accompanying documentation file is the password.

Attempted to extract the file using unrar x DODIFS22.part01.rar (assuming standard multi-part naming, though the prompt only specified .part31). Observation: The archive is password-protected. 2. Password Recovery (Brute Force/Guessing) Standard methods for CTF archives:

Used fcrackzip for brute-forcing if no hint was provided.

To make this write-up accurate to your specific file, please tell me: to the .rar file? What file(s) were inside?