This is the GI Joe Alley Viper as he appears in the GI Joe: Resolute cartoon that aired recently. It wasn't easy to find reference material or photos of these guys, but from what I find, this was pretty much what they looked like.

Head: 25th Eels
Helmet: Resolute Cobra Trooper
Facemask: Resolute Storm Shadow
Goggles: 25th Para-Viper
Body: TRU Exclusive RoC Firefly
Arms: Resolute Storm Shadow
Thigh Armor: Styrene
Chest/Shin Armor: SW Clone Trooper