The paper reported that the main group cooperating with the Israelis is Fursan al-Joulan (Knights of the Golan), which is not affiliated with the Free Syrian Army nor any other Western nation.
A spokesman for Fursan al-Joulan said: "Israel stood by our side in a heroic way…We wouldn't have survived without Israel's assistance."
According to the spokesman, the interaction began when some wounded fighters reached the Israeli border to beg for help. Communication continued after they were taken for medical care within Israel.
It has been known for some time that Israel treats wounded Syrians who arrive on the border, but news of ongoing cooperation with rebel forces is likely to escalate tensions with Assad’s regime.
The Wall Street Journal said the Israeli army would not comment on the rebels' claims, but said Israel was "committed to securing the borders of Israel and preventing the establishment of terror cells and hostile forces... in addition to providing humanitarian aid to the Syrians living in the area".