This is a great song!
Here's the catchy riff that is the basis of the song.
It's in dropped tuning (c-g-c-f-a-d) or standard dropped-d, whatever.

D|-------------------------------------------------------------------------|
A|-------------------------------------------------------------------------|
F|-------------------------------------------------------------------------|
C|-------------------------------------------------------------------------|
G|--8-8-8-8-8-7^8-5-8-8-8-8-8-7^8-8-8-8-8-8-8-7^8-7-8-8-8-8-8-7^8/10-------|
C|----------------0---------------8---------------7------------------------|