Alright, this is not how Brainiac does it exactly if you wanna be anal. I transcribed this from the Brainiac benefit show, so this is at least how Baboon did it that night.
Riff A
E:--------11-11----
B:--12^^-----------
G:--------------11-
D:-----------------
A:-----------------
E:-----------------
Riff B (palm mute this sheeit)
E:--------------------------------------------
B:--4-3-4-3-4-3-4-3-5-4-5-4-6-5-4-3-4-3-4-3---
G:--------------------------------------------
D:--------------------------------------------
A:--------------------------------------------
E:--------------------------------------------
stop palm muting at the end and let it ring
Riff C
E:-------11-11--
B:-10-12--------
G:--------------
D:--------------
A:--------------
E:--------------
Riff D
E:-------------
B:-------------
G:-------------
D:--6--6\3--3--
A:--6--6\3--3--
E:--4--4\1--1-- then at the end of the riff is bending of some notes.
i dunno what notes, just make up something.
Riff E
E:--------------------
B:--------------------
G:-15-15-15-13-13-13-----
D:--------------------------
A:-13-13-13-11-11-11-----------
E:----------------