This song is pretty repetitive
Try to play this song fast except for the intro

Intro
g-0-3/5-0-3----------
d-----------0-3/5-0-3
a--------------------
e--------------------

main riff
g------------
d------------
a------------
e-0-2-2-2-2--x2

this part comes right after the main riff  and the entire thing you play through out the entire song 
g-------------------------
d-------------------------
a0-2----------------------
e---2-2-3-5-2-2--0-2-2-2-2