PicoCTF - forensics (information)
Information
When you download that j-peg file u can see nice little cat. But in the hints they look into the picture details.
So u need to install tool called exif and look into that. I found a suspsious thing in license tag looks like base64.
visith@ubuntu:~/Desktop/ctf/picoctf/forensics/information$ exiftool cat.jpg
ExifTool Version Number : 11.88
File Name : cat.jpg
License : cGljb0NURnt0aGVfbTN0YWRhdGFfMXNfbW9kaWZpZWR9
visith@ubuntu:~/Desktop/ctf/picoctf/forensics/information$ echo cGljb0NURnt0aGVfbTN0YWRhdGFfMXNfbW9kaWZpZWR9 | base64 -d
picoCTF{the_m3tadata_1s_modified}visith@ubuntu:~/Desktop/ctf/picoctf/forensics/information$