Moore immediately raised his hands but there was no signal for a goal on the ice and the play ended up being reviewed.
The referees discussed it, talked with the league office in Toronto and confirmed that it was not a goal.
The NHL released this statement about the play last night:
At 15:57 of the third period in the Rangers/Capitals game, video review upheld the referee’s call on the ice that John Moore’s shot did not completely cross the goal line. No Goal NY Rangers.