Clear it in 3 steps
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Start the environment
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Investigate the target
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Submit the flag
Photos and images contain metadata called EXIF. This metadata records shooting date, camera info, GPS coordinates, etc. Check the EXIF data of image_with_flag.jpg to find the flag! Available commands: - exiftool image_with_flag.jpg - cat image_with_flag.jpg | grep FLAG
Use the exiftool command to check image metadata
EXIF data has a comment field
Try viewing the file contents with the cat command