Im not shure about tunning, but I tihnk its E.

* indicates tremlo picking
= indicates wammy dive

Riff 1

E|---------------------------------------------|
B|---------------------------------------------|
G|---------------------------------------------|
D|---------------------------------------------|
A|-3-4-3--5-7-8--3-4-3--5-7-8------4-3-4--5-7-8|
E|-1-2-1---------1-2-1-------------2-1-2-------|
          * * *         * * *             * * *
Riff 2

E|---------------------------------------------|
B|---------------------------------------------|
G|---------------------------------------------|
D|---------------------------------------------|
A|-3-4--7-4-6--3-4--7-4-6--4-3--7-4-6----------|
E|-1-2---------1-2---------2-1-----------------|
        * * *       * * *       * * *

repeat riff 1

Riff 3

E|-------------------------------------------------------------------------|
B|-------------------------------------------------------------------------|
G|-------------------------------------------------------------------------|
D|-7-5-4--=====---------------------------------------------7-6-5-6-5-4-3-4|
A|-5-3-2--=====--7--7-7--7--7-7--7--7-7--7-7--5--55--5--55--5-4-3-4-5-2-1-2|
E|---------------5--5-5--5--5-5--5--5-5--5-5--5--55--5--55-----------------|

repeat riff 1

*break*

Riff 4

E|-----------------|
B|-----------------|
G|-----------------|
D|---------------7-|
A|-5-4-5---5-4-5---|
E|-------3---------|
   * * * * * * * *

Riff 5

E|---------------------------------|
B|---------------------------------|
G|---------------------------------|
D|-------7-6---5-4--------7-6-5----|
A|-7-----5-4---3-2--7-----5-4-3----|
E|-5-5-5-----7------5-5-5-------3--|

repeat riff 4

DONE!

...and check out my other tabs =)