Song: Monolith
Artist: Crossfaith
Tuning: Standard (E A D G B E)
Legend:
x\\\\\ = Pick slide down the neck
* = Pinch Harmonic
/ = Slide up to designated note
\ = Slide down to designated note
This is the opening keyboard riff but played on guitar, if you add some heavy distortion 
and maybe a bit of chorus then it should sound pretty good.
I made this tab by playing the same notes that are played on the keyboard on guitar but 
if you want to  tune lower and play it in a different key or whatever then go ahead.
e|---------------|
B|---------------|
G|---------------|
D|------4-0-4--2-| Repeat this part 8 times
A|2-2-2-------4-4|
E|---------------|

e|------------------|
B|------------------|
G|------------------|
D|------4---------2-|
A|2-2-2----------4-4|
E|---------x\\\\\---|
e|-------------------------|
B|-------------------------|
G|-------------------------|
D|------4----------------2-| For this part you do two pick slides really quickly
A|2-2-2-----------------4-4|
E|---------x\\\\\-x\\\\\---|
e|------- ------|
B|--------------|
G|--------------|
D|------4-----2-|
A|2-2-2------4-4|
E|--------3*----|
e|-----------------|
B|-----------------|
G|-----------------|
D|------4--------2-|
A|2-2-2---------4-4|
E|--------3/7\3----|
And that's the Intro played on guitar instead of keyboard, hope it was helpful, please 
comment if you   have any questions