Russia's Defense Ministry on Tuesday appeared to accuse the United States for supplying the technology for the drone attack, saying that assault required a higher level of expertise than any armed group in Syria is known to possess.
Earlier, some media quoted the coordinator of the Syrian and Russian parliaments' friendship support group, Dmitry Sablin, as saying that 31 drones were involved in the attack on Russian military bases in Syria. The craft was attached to the kind of engines used to power lawn mowers and strapped with at least nine small rockets that could have been dropped from the drone or used to turn the craft into a bomb.
Syria's President Bashar Assad has recovered major territory from rebels in Syria in the past two years, largely because of Russia's military support.
"The drones were launched from the area of Muazzara in the southwestern part of the Idlib de-escalation area controlled by so-called "moderate opposition" units", defence ministry newspaper Krasnaya Zvezda said.
The drones, or unmanned aerial vehicles (UAVs), used in the attempted attack were basic in design, Russian news site Lenta reports.
"Participating in the attack on Russian military facilities in Syria on January 5-6 were 13 combat fixed-wing drones".
Russian Federation said it was also controlled by Turkish armed forces.
President Vladimir Putin last month ordered the withdrawal of most Russian troops from Syria.
In its latest announcement, the Ministry of Defense said the drone attack had occurred overnight last Friday.More news: Federal Judges Order North Carolina to Quickly Redraw Congressional Districts
The Kremlin has demanded that the Defence Ministry, several secret service agencies and the Russian National Guard work together to find a solution to destroy drones before they reach their targets.
Putin faces a presidential election this March, and although he is expected to win easily, polls indicate that Russians are increasingly disgruntled about the country's military presence in Syria.
"Any NATO gain is seen as a Russian loss, and we started to see the opposite is true, as well, since the Russians and NATO are so at odds these days", Clarke said.
One of the myriad Syrian opposition groups is the most probable suspect, Suchkov said.
Rebel groups seized Idlib, which borders Turkey, in 2015 and it has since become the only Syrianprovince fully under insurgent control.
Ankara summons the ambassadors of Russian Federation and Iran to complain about what it said was Syrian regime forces' violation of the borders of the Idlib de-escalation zone. "If you are guarantors - and you are - they should stop the regime", said Turkey's foreign minister, Mevlut Cavusoglu.
While the USA says it supplies weapons only to Syrian opposition groups vetted as "moderate rebels", the allegiance and loyalties of these militants is often highly questionable.
Zakaria reported from Istanbul.