Have a go at this tab
PM=palm mute
INTRO & VERSE
e|--------------------------------------
B|--------------------------------------
G|------------------------------7-777777
D|7-777777--4-444444--2-222222--7-777777
A|7-777777--4-444444--2-222222--5-555555
E|5-555555--2-222222--0-000000----------

RIFF BEFORE CHORUS
e|--------------------------------------
B|---------------------------------------
G|------------------------------777777777
D|44444444--77777777--22222222--777777777
A|44444444--77777777--22222222--555555555
E|22222222--55555555--00000000-----------

CHORUS
e|----------------------------------------
B|----------------------------------------
G|-------77-77---------------------------
D|77-77--77-77--44444-22222---------------
A|77-77--55-55--44444--22222-------------
E|55-55---------22222--00000-------------
      |      |
     PM     PM

Thats basically it. Have fun with it. I'm pretty sure it's right. Find out the words for your self!!!