OoooK, just don’t drink the Kool Aid.
Do you want proof?
Before calling themselves Islamic State/ISIS/ISIL they were Al Qaeda in Iraq, or AQI.
From a DoD report:
The Salafist, the Muslim Brotherhood, and AQI are the major forces driving the insurgency in Syria.
The West, Gulf countries, and Turkey support the opposition; while Russia, China, and Iran support the regime.