ok this is mainly from memory so it might not be right i think i don?t have that end of the third riff quite right but it sounds ok its tuned down one full step Dgc etc

 


  Riff 1 tremolo picking

  e------------------------------------------------------------------
  b------------------------------------------------------------------
  g------------------------------------------------------------------
  d------------------------------------------------------------------
  a-----5-7-8-7---3-5-3---------------------5-7-8-7---3-5-3-----7----
  E---5-------------------7-8-7-3--------5------------------7-8---8--

  Riff 2 tremolo picking     

  e----------------------
  b----------------------
  g----------------------
  d----------------------
  a---7-8-10---5-8-7-----
  E----------------------


  Riff 3 tremolo (not sure about this one)

  e------------------------------------------------------------------   
  b------------------------------------------------------------------
  g---------------------------5----5---------------------------------
  d----7-----7-------------------------------------------------------
  a----------------7--------3----3---------5----3--------------------
  E-5-----5----------8-7-----------------3----1---------------------- 


thats basically it and
It finishes on an G5 i think