This video, allegedly filmed on Mar. 7, 2012, shows rebels hitting a Syrian Arab Air Force MiG-23MS on the ground at Abu-Dhahur air base in the north west region of Idlib, with an AT-13 Saxhorn-2 (NATO designation for the Russian 9K115-2 Metis-M Anti-tank).
According to the Scramble Database, Abu-Dhahur is the home base of the 678 Sqn of the SyAAF.
[youtube=http://youtu.be/ook13ucz9l4]
Thanks to Bjørn Holst Jespersen for the heads-up