I'm Not 100% On This But It's The Right Chords Being Played And It Sounds Good.
Awesome Song. Great Single. Rate This.

Verse Riff
G---------------|
D---------------|
A--5-7-----5-7-7|
E0-----0--------|
 1 + 2 + 3 + 4 +


Chorus Riff
G---------------|---------------|
D---------------|------------4-5|
A---------------|---------------|
E5-5-5-5-4-4-4-4|3-3-3-3-2-2----|
 1 + 2 + 3 + 4 +|1 + 2 + 3 + 4 +|