← US Cyber Open Season VI Writeups
We get an image that may have been tampered with. exiftool shows us there is a thumbnail in the metadata.
extract it with exiftool -b challenge.jpg > thumb.jpg
the file isn’t renderable, so look for the jpeg magic bytes
and crop the image to start with ÿØÿÛ
Flag: SVIUSCG{meridian_thumbnail_reveal_garret}