Intro
For the intro Zakk puts his left hand (fret hand) over the neck from the top and rapidly plays the strings and moves up the neck then pushes the string on bridge pickup, it's kind of confusing but once you figure out how to do it, it's pretty easy. 

Verse Riff 
E----------------------------------------------------------------------
B----------------------------------------------------------------------
G----------------------------------------------------------------------
D----------------------------------------------------------------------
A----------------------------------------------------------------------
B-0h1--0--0--0h3--0h1-0--0--3-0-3-5-6-0-3------------------------------

Solo play 4 times
E----------------------------------------------------------------------
B-9h10p9--9------------------------------------------------------------
G-------12--12-11-9----11---9bend1/4-----------------------------------
D-------------------11----11---11-9--11-10-9---------------------------
A----------------------------------------------------------------------
B----------------------------------------------------------------------
                                          P.M.--------------------------------- 
E-----------------------------------------------------------------------------
B--9h12p9----9-----------------------------9h12p9---9--------------------------
G---------12---12-11-9--11--9bend1/4--------------12--12-11-9------------------
D---------------------11--11--11-9----------------------------11-11-9-----11-9-----
A----------------------------------11-10-9----------------------------11-9----11-9--
B----------------------------------------------------------------------------

Thats it,
Keep on rocking