The Main Riff is:
e|---------------------------------------------------------------------------------------------------------
B|---------------------------------------------------------------------------------------------------------
G|---------------------------------------------------------------------------------------------------------
D|-----------------------------------10--------------------------------------------------------------------
A|--------3-3------5-5------8-8---------10-----------------------------------------------------------------
E|----1-1--1---3-3--3---6-6--6---8-8---8-------------------------------------------------------------------
The Chords used are
e|---------------------------------------------------------------------------------------------------------
B|---------------------------------------------------------------------------------------------------------
G|---------------------------------------------------------------------------------------------------------
D|-----3333--5555--8888--10101010--------------------------------------------------------------------------
A|-----3333--5555--8888--10101010--------------------------------------------------------------------------
E|-----1111--3333--6666--8888------------------------------------------------------------------------------
The Last chord is just a power chord on the 8th Fret of the E.
The bass is just the root notes of the Chords.