Helmet: Rifle Commander’s Eyepatch. Quest.
Shoulders: Stained Shadowcraft Spaulders. Heirloom item, can be bought with justice points.
Chest: Tysha’s Chestguard. Quest item from Darkshore.
Gloves: Naga Battle Gloves. Blackfathom Deeps.
Belt: Vigorous Belt of the Wild. Check the AH.
Pants: Aluwyn’s Legguards. Quest.
Boots: Scouting Boots. Check the AH.
Tabard: none.
Weapon: Tail Spike. Wailing caverns.
This is a pretty basic transmog set from low level zones.
It looks really good and what is important is that it’s not a common dark-black set. You won’t see many rogues using it.
The red daggers give a nice evil look. Remember that you only need one dagger in order to transmog two.