Standard tuning.
[ Tab from: http://www.guitaretab.com/a/agnostic-front/138259.html ]
Riff 1 Riff 2 Riff 3
|----------------|-----------------------------|-----------------------------|
|----------------|-----------------------------|-----------------------------|
|-------7--------|---------------7-7--7-7-7--7-|-5-5--5-5-5--5-7-7--7-7-7--7-|
|-5--8--7--5-8-7-|-5-5--5-8-8--8-7-7--7-7-7--7-|-5-5--5-5-5--5-7-7--7-7-7--7-|
|-5--8--5--5-8-7-|-5-5--5-8-8--8-5-5--5-5-5--5-|-3-3--3-3-3--3-5-5--5-5-5--5-|
|-3--6-----3-6-5-|-3-3--3-6-6--6---------------|-----------------------------|
Riff 4
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|-7-------------------7-7-7-7-7-7-7-7-7---------------7-7-7-7-7-|
|-7--8--5-5-5-5-8-8-8-7-7-7-7-7-7-7-7-7-5-5-5-5-8-8-8-7-7-7-7-7-|
|-5--8--5-5-5-5-8-8-8-5-5-5-5-5-5-5-5-5-5-5-5-5-8-8-8-5-5-5-5-5-|
|----6--3-3-3-3-6-6-6-------------------3-3-3-3-6-6-6-----------|
Freakin easy song...and freakin cool also, have fun!