This was something I put together when messing around one day. Sometimes I come up with scale runs and patterns that sound good to me, and this is one of them.
You basically have a repeating 4 note pattern that keeps getting lower and lower in key (e minor is what's used here) and then you finish by running up and down a full e minor scale.
Here is the Guitar Pro 6 tab for this scale run:
HEY!!! Does Your Rhythm SUCK!?