Iran's domestic programs are in desperate need of funds from sanctions relief
Analysts said any cash windfall would probably be deposited initially in the Central Bank of Iran (CBI), making it relatively difficult for the Islamic Republic's secretive security officials to spirit it away to foreign battlefields.
"As soon as there is a sense that the money is there, every government department is going to start looking for flows," said David Butter, a Middle East economic analyst and associate fellow at Chatham House.
The establishment will also face pressure from Iran's large and vocal middle class, which turned out in force to elect President Hassan Rouhani in 2013, hoping his agenda of better management at home and pragmatic diplomacy abroad could improve their economic fortunes.
"I have to support a family of four. I don't have time to think about politics or the nuclear issue. What people like me need is an improved economy," said teacher Gholamreza Behrad in Tehran.