Macro Description

Attack current target if there is no target under the mouse. When pressed in combination with alt, it attacks your focus target. Replace Viper Sting(Rank 4) with any other attack (Silencing Shot/Scatter Shot).

Macro Code

#showtooltip Viper Sting(Rank 4)
/cast [target=mouseover, harm][harm] Viper Sting(Rank 4)
/cast [target=focus, modifier:alt] Viper Sting(Rank 4)