Lebanon, the Palestinians and possibly Syria. However when these countries target Israeli civilians Israel must no longer abide by international al law. Instead israel should target not only enemy combatives but also there supporters. Unfortunately Israel's enemies only respects brute force and in order to win the war Israel will have to be brutal resulting in many civilian and military deaths and injuries.
Report: U.S.-led strikes in Iraq, Syria killed 459 civilians (AP)
from the article: Hezbollah: Israeli attack on Iran would set Middle East ablaze