3tebo.7z

: Open the image in StegSolve and cycle through the color planes to see if text appears. Key Tools Used 7-Zip : For archive extraction. File/Strings : For basic Linux-based identification.

: Extract the archive to find a hidden flag or further nested files. Step-by-Step Walkthrough 1. Initial Extraction 3tebo.7z

: To check if multiple files are concatenated together ( binwalk -e 3tebo ). : Open the image in StegSolve and cycle

: Check if it prompts for a password. If no password is provided in the challenge description, try common CTF passwords like password , admin , or the name of the challenge itself. 2. File Identification : Extract the archive to find a hidden

If the contents contain images (like .png or .jpg ), check for hidden data using tools like or ExifTool . Check Metadata : exiftool image.jpg

: It may be identified as a disk image , a pcap (network capture), or another compressed layer . 3. Deep Forensic Analysis