Intro

E|-----------------------------------------------------------|
B|-----------------------------------------------------------|
G|-----------------------------------------------------------|
D|3----------------------------------------------------------|
12-2--52---------------------------------------------------
E|-0-0--30(bass)---------------------------------------------|

Main riff (the main part of this riff is played more than written)
E|----------------------------------------| ----- --------------
B|----------------------------------------| ----- --------------
G|----------------------------------------| ----- --------------
D|3---------3--------3-----3-----------3--| -3336 --------------
12-2-52-2-122-2-52-12-52-1-22222-5-2-122 -1114 -8885---------
E|-0-0-30-0--00-0-30--0-30---00000-3-0--00| ----- -6663---------

Chorus
E|----------------| -------------------------------------------
B|----------------| -------------------------------------------
G|----------------| -------------------------------------------
D|------------6---| -------------6-9---------------------------
A|4-5-4-5-2-5-4-5-| -4-5-4-5-2-5-4-7---------------------------
2\3-2\3-0-3---3- -2/3-2\3-0-3-------------------------------

(here one guitar plays the whole riff while the other doubles power chords)
E|-----------------------------------------------------------|
B|-----------------------------------------------------------|
G|-----------------------------------------------------------|
D|6----6-3-6---363-------------------------------------------|
4222-4-1-4---141-------------------------------------------
E|-000------000----------------------------------------------|

I didnt write the exact structure for this riff and the previous
but its fairly simple so use your ears.
E|-----------------------------------------------------------|
B|-----------------------------------------------------------|
G|-----------------------------------------------------------|
D|2--2-2-2--6-7----------------------------------------------|
A|----------4-58---------------------------------------------|
E|-11-1-1------6---------------------------------------------|

E|-----------------------------------------------------------|
B|-----------------------------------------------------------|
G|-----------------------------------------------------------|
D|------------36---------------------------------------------|
A|5--2--------14---------------------------------------------|
300000000000-----------------------------------------------
The riff variation is done at the songs end.
E|-------------| ----------------------------------------------
B|-------------| ----------------------------------------------
G|-------------| ----------------------------------------------
D|--------3-6--| ----------------------------------------------
5222222-1-4-- -5---------------------------------------------
3000000------ -3---------------------------------------------

This is probably what they call random guitar noise both notes are
played during the previous riff but the second is played after the next riff
E|----------------------| -------------------------------------
B|----------------------| -------------------------------------
G|----------------------| -------------------------------------
D|----------------------| -------------------------------------
A|-14-14-14-14-14-14...-| ----10-10-10-10...-------------------
E|----------------------| -------------------------------------

E|-----------------------------------------------------------|
B|-----------------------------------------------------------|
G|-----------------------------------------------------------|
D|--55555555-------------------------------------------------|
A|5-44444444-------------------------------------------------|
E|3----------------------------------------------------------|