I think the best information you are likely to get on the waypoints is in the attached link. Putting together what separate unrevealed sources close to the investigation have stated with what Malaysian authorities have revealed publicly. They have publicly acknowledged the aircraft was heading north west about 320km from Penang at 2.15am, which adds up with the "sources" state.
MISSING MH370: Radar data suggests plane flown deliberately toward Andaman - Latest - New Straits Times