Well ive seen a couple intros for this song but there not quite right :p and i found 
im like 90% shure is right for the intro :D

Standard Tuning

[E]--------------------------------------------------------------------------|
[B]--11---11---11---11---11---11---11---11---9-9-9-9-9-9-9-9-8-8-8-8-8-8-8-8-|
[G]-----8----8----8----8----8----8----8----8--8-8-8-8-8-8-8-8-8-8-8-8-8-8-8--|
[D]--------------------------------------------------------------------------|
[A]--------------------------------------------------------------------------|
[E]--------------------------------------------------------------------------|

[E]-------------------------------------------------------------------------|
[B]-6-6-6-6-3-3-3-3---------------------------------------------------------|
[G]8-8-8-8-8-8-8-8-8--------------------------------------------------------|
[D]-------------------------------------------------------------------------|
[A]-------------------------------------------------------------------------|
[E]-------------------------------------------------------------------------|

For those of of that are like me and cant reache for the last part there are a couple of alternatives...

alt. 1
[E]-------------------------------------------------------------------------|
[B]-------------------------------------------------------------------------|
[G]7-8-7-8-7-8-7-8----------------------------------------------------------|
[D]-------------------------------------------------------------------------|
[A]-------------------------------------------------------------------------|
[E]-------------------------------------------------------------------------|

Alt. 2
[E]-------------------------------------------------------------------------|
[B]-------------------------------------------------------------------------|
[G]---8----8----8----8------------------------------------------------------|
[D]12---12---12---12--------------------------------------------------------|
[A]-------------------------------------------------------------------------|
[E]-------------------------------------------------------------------------|

Welll yeahhhhh thats it pretty simple :D hope it helps.