I have seen this song played a few different ways but they
arent correct so i tabbed this out and i 100% guarantee
that if u play it right it will sound right

This the intro and well pretty much  the whole song
Riff 1               Riff 2
e|------------------|------------------------|
b|------------------|------------------------|
g|--------------2-0-|---------------------20-|
d|--------2---3-----|----0--33-22---2---3----|
a|--0-2-3---3-------|--2----------3---3------|
e|3-----------------|3-----------------------|

u play there second riff thru out the whole song