If you really want to fly EK, an option would be:

DXB-SIN
SIN-CGK-KUL
KUL-DXB

Note that you would need to overnight in CGK.

Also - note that UL does the KUL-SIN-KUL route on their own metal, so if the fares rules allow "ANY UL FLIGHT" you might be able to fly UL between KUL and SIN

Cheers