i have seen another tab of this song on anotehr tab website and it was somewhat wrong..this is the correct verson of this tab..my band is covering this song so i had to figure the real version out...here it is.
tuning (normal mudvayne tuning) drop C (C,G,C,F,A,D)

intro..the bass plays this but in the song you can still here GUUG
he uses a multi chorus pedal for this song..
intro/verse riff 1
|--------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------|
|--6---6---6---7---9---9---6---6---6---7---3---3---3---5---2---2---0---0---------|
|----0---0---0---0---0---0---0---0---0---0---0---0---0---0---0---0---0---0-------|
|--------------------------------------------------------------------------------|
that is the main riff of the song

riff 2
|--------------------------------|
|--------------------------------|
|-----7-7---7---7---7---7--------|
|-----5-5---5--5---4---4---5-----|
|--------------------------------|
|--------------------------------| i dont know how many times he plays it in the song

and the last riff goes liek this 
|---------------------------------------------------------------------|
|---------------------------------------------------------------------|
|------7---7---7----9---9---9----5---5---5----7---7---7---5---5---5---|
|----5---5---5----7---7---7----3---3---3----5---5---5---3---3---3-----|
|---------------------------------------------------------------------|
|---------------------------------------------------------------------| after this go back to riff 2 and then the song ends on riff 1....there it is..please IM me (killjoy666ll) if you have any corrections..please rate this sucker..later.....MuDvAyNe