This is the main riff heard throught out the song:
E --12---10---8---7--] 5~~--7~~--]
B -------------------] ----------]
G 9----7----5---4----](x 3) ----------]
D -------------------] ----------]
A -------------------] ----------]
E -------------------] ----------]
Except in 2nd verse where it changes to:
E -----12------10--] 5~~--7~~--]
B -----------------] ----------]
G 9-------7--------](x 3) ----------]
D -----------------] ----------]
A -----------------] ----------]
E -----------------] ----------]
Listen to song for proper timing
Enjoy