: T.120 is a suite of protocols for real-time data conferencing (used in early versions of Microsoft NetMeeting). In a CTF, this might hint that the archive contains packet captures (PCAPs) of data sharing sessions.
: Open the .001 file with a utility like 7-Zip or WinRAR . It will automatically "stitch" the parts together.
: Ensure you have T120_contest.7z.001 , .002 , and .003 in the same folder.
: The .7z extension signifies a 7-Zip archive, known for high compression ratios and strong AES-256 encryption capabilities, often used to hide "flags" in security contests. The "T120" Context
: If this is from a contest, expect a password prompt. Usually, the password is found by solving a separate crypto or OSINT (Open Source Intelligence) challenge. Common Findings in These Archives
: When files are too large for specific hosting platforms, they are split into parts. The .001 , .002 , and .003 extensions indicate that this file is just one piece of a larger puzzle.
Based on the filename , this is the third volume of a multi-part compressed archive typically used in Capture The Flag (CTF) competitions or digital forensics challenges. Understanding the File Format