Check metadata for hidden comments or GPS coordinates using ExifTool .
If the image won't open, use a hex editor like HxD to verify the magic bytes. A valid JPEG should start with FF D8 FF and end with FF D9 Fixing Corrupted Images . 9d043507-0d89-4c12-8912-c41247c3942f.jpg
Use the file command to confirm it is actually a JPEG. If it shows "data" or "octet-stream," the file header might be corrupted. Check metadata for hidden comments or GPS coordinates
Try extracting hidden data if a password is known or can be cracked. Use the file command to confirm it is actually a JPEG
steghide extract -sf 9d043507-0d89-4c12-8912-c41247c3942f.jpg
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
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).