A .7z file is an archive created using 7-Zip , a high-compression file archiving tool. Unlike ZIP files, 7z files allow for strong AES-256 encryption, making them a popular choice for protecting files with passwords. 2. The Challenge: "Blanket"
Run binwalk -e blanket.7z to see if there are hidden files embedded inside the archive structure. blanket.7z
Use the file command in Linux to ensure it is actually a 7z file. blanket.7z