Kappa
“Great things are not done by impulse, but by a series of small things brought together.”
Description
Files can always be changed in a secret way. Can you find the flag? cat.jpg
Hints
- Look at the details of the file
- Make sure to submit the flag as picoCTF{XXXXX}
Solution
picoCTF{the_m3tadata_1s_modified}
CLI
$ man exiftool
$ wget "https://mercury.picoctf.net/static/7cf6a33f90deeeac5c73407a1bdc99b6/cat.jpg"
$ exiftool cat.jpg
Licence looks like base64
cGljb0NURnt0aGVfbTN0YWRhdGFfMXNfbW9kaWZpZWR9
https://www.base64decode.org
picoCTF{the_m3tadata_1s_modified}