Intro is played palm muted, except for the last two notes the second time it's played.

e|------------------------------------------------|
b|------------------------------------------------|
g|------------------------------------------------|
d|------------------------------------------- X 2-|
a|----222222277776666666444444444447777666666-----|
e|4444--------------------------------------------|

Figure out the rythem, it's not that hard.

Ok second part of the intro, not palm muted this time.

e|-------------|
b|-------------|
g|-446644774466 x 6
d|-------------|
a|6------------|
e|4------------|