An Iranian military official says Saudi Arabia, Qatar and other members of the "Friends of Syria" group are playing into the hands of the "Zionists" and "arrogant powers", Press TV reported.
"The current conspiracy against Syria is hypocritical and complicated," Chairman of the Joint Chiefs of Staff of Iran's Armed Forces Major General Hassan Firouzabadi said on Sunday.
He added that the Syrian president's support for what he called the "anti-Zionist resistance front" is what distinguishes Bashar al-Assad from the regional leaders "plotting" against him.
The last conference of the Friends of Syria group was held on April 1 in Istanbul.
The United Nations says that more than 9,000 people have been killed in Syria, where President Bashar al-Assad's regime has launched a brutal crackdown on protesters calling for his ouster since mid-March, 2011.