Forensics 101

We are told to find the flag in this image:

However, the flag is not visible inside the image and it is not hidden in its content. However, we can find the flag in the file raw content.

In order to extract printable characters from the image we can use strings and then filter by CTFlearn piping the previous command to grep:

$ strings 95f6edfb66ef42d774a5a34581f19052.jpg | grep CTFlearn  
CTFlearn{wow!_data_is_cool}