Use the file command to confirm it is actually a JPEG. If it shows "data" or "octet-stream," the file header might be corrupted.
steghide extract -sf 9d043507-0d89-4c12-8912-c41247c3942f.jpg 9d043507-0d89-4c12-8912-c41247c3942f.jpg
Try extracting hidden data if a password is known or can be cracked. Use the file command to confirm it is actually a JPEG
If this is from a specific competition or you have a link to the challenge, I can help you find or create a more detailed walkthrough. 9d043507-0d89-4c12-8912-c41247c3942f.jpg
Use StegSolve to browse through different color planes (Red, Green, Blue, Alpha) to see if the flag is hidden in the Least Significant Bit (LSB).
Check if another file is embedded inside the JPEG (like a ZIP or another image). binwalk -e 9d043507-0d89-4c12-8912-c41247c3942f.jpg 4. Visual Inspection