Kinda difficult to tab the whole song so here the intro, hope it's correct.
Please contact me at olegrom32 at gmail.com if you have improvements.
Q~=135
E|-------------------------|-------------------------|-------------------------|
B|----0--------------------|----------0--------------|----------0--------------|
G|-0--------4-----4-----4--|-------5-----5-----------|-------5-----5-----------|
D|-------4-----5-----0-----|----5-----------5-----5--|----5-----------5-----5--|
A|-------------------------|-3-----------------3-----|-3-----------------3-----|
E|-------------------------|-------------------------|-------------------------|
[ Tab from: http://www.guitaretab.com/s/serj-tankian/190544.html ]
E|-------------------------|-------------------------|----------0--------------|
B|----------0--------------|-------------------0-----|-------------0-----------|
G|-------5-----5-----------|-------7--------4-----4--|----------------0--------|
D|----5-----------5-----5--|----7--------4-----------|-------2-----------------|
A|-3-----------------3-----|-5--------2--------------|----2-----------------2--|
E|-------------------------|-------------------------|-0-----------------0-----|
E|----------0--------------|----------3--------------|----------3--------------|
B|-------------0-----------|-------------3-----------|-------------3-----------|
G|----------------0--------|----------------4--------|----------------4--------|
D|-------2-----------------|-------------------------|-------5-----------------|
A|----2--------------------|-------5--------------5--|----5--------------------|
E|-0-----------------x--x--|-3--3--------------3-----|-3-----------------3-----|
