In this challenge a stream of bytes is provided. If you notice, at the bottom of the file, you can see a familiar signature which is

ff 8d ff 0e ..

It would be the one of a JPEG image if only the bytes weren’t reversed right? So why don’t we try to reverse the whole binary an every single byte?

http://pastebin.com/CCyVHAQj

This script up here will create an image that contains the flag: SECCON{6in_tex7}

Razor4x