If the previous steps fail, the data is likely encoded using a specific steganographic algorithm.
Metadata can often hide clues about the tool used to create the file or direct "leaks" of the flag. : Run exiftool tango_part3.mp4 . tango part3mp4
: If the file was suspected to be a JPEG hidden inside the MP4, or if there's an embedded image. If the previous steps fail, the data is
What to look for : Look for unusual comments, "Artist" tags, or GPS coordinates that might be part of a multi-part challenge. : If the file was suspected to be
: Check if other files (like a .zip or .txt ) are appended to the end of the video using binwalk -e tango_part3.mp4 . 3. Media Stream Analysis
: Use the strings command (e.g., strings tango_part3.mp4 | grep -i "CTF" ) to look for plaintext flags or URLs embedded in the binary data. 2. Metadata Examination