"The source, who requested anonymity, said Israel tried to 'not embarrassing Russia' or to evoke tension over targeting its advanced missile systems.New satellite images obtained by Zaman al-Wasl showed that The Buk-M2 and Pantsir-S1 missile systems had been destroyed by Israel south of the Syrian capital.The Buk is medium-range surface-to-air missile system designed to counter cruise missiles. Pantsir-S1 is a combined short to medium range surface-to-air missile and anti-aircraft artillery weapon system.Russia used to condemn Israel for all strikes targeting the regime and Shiite allies, saying they were a “wrong move” that is in “stark contrast” to international law.Israel said on November 20 that its aircraft struck dozens of Iranian and Syrian military targets in retaliation for rockets fired towards Israel a day earlier. The Syrian Observatory for Human Rights said weapons and ammunition storage facilities belonging to the Al Quds force were destroyed in the attack."
Below is the imagery claimed to support the contention:
These are Syrian owned systems, so I'm not sure Russia would be hugely concerned?