This song is from Give me Convience or give me death (amazing CD) 
It's super easy to play and really fun. Im not sure who they covered it from but
it's defenitly a cover anyway have fun!

This is the only riff in the song just
play it over and over. 
G------------|
D------------|x3
A-------3333-|
E-66-44------|

After third do this
G-------------|
D-------------|
A-------44----|
E-66-44----55-|