If moonshine don't work for you, you can try rumrunner.us.
Make sure you follow the instructions!
In case, i offer also stock 4.1.2 roms for k2u & k2ul.
Main Devices:

- HTC One (M8)
S-Off | Insert Coin | ElementalX | TWRP

- HTC One SV
Index Thread: Search and find all what belongs to HTC One SV

Other devices: HTC Desire S | Asus TF 101 | HTC HD mini