The brazen attack that led to the death of Iranian scientist Mohsen Fakhrizadeh has undoubtedly angered Tehran. The Iranian authorities blamed Israel for the killing and vowed to swiftly retaliate. There have been calls within the country to attack the Israeli port of Haifa, but that is unlikely.
https://www.aljazeera.com/opinions/2020/12/26/why-oil-makes-the-gcc-countries-vulnerable-to-iran