I mean ISIS that Israel and US funded to move Syria to a disaster, allowing them to put bases all over the country and sign deals for oil extraction on recognized Syrian border…

https://en.m.wikipedia.org/wiki/Collaboration_with_the_Islamic_State

However, Moshe Ya’alon, former defense minister of Israel, has stated that IS “apologized” for a clash in November 2016. Communication with IS is illegal under Israeli law, and is considered to be contact with an enemy agent.[5] IDF refused to comment further on the issue