Iran can infiltrate "oy vey, muh yisroel"; druze and Circassian minorities are an excellent way to embed moles within but it will take time, effort and a lot of trials and bitter failures.
Iran has infiltrated the zionist regime at even higher levels in the past.
Gonen Segev: Israel ex-minister admits spying for IranPublished 9 January 2019
Israel Prisoner X: Ben Zygier 'leaked Mossad secrets'Published 18 February 2013
They claimed he "hanged himself" in a high security prison. Yes, sure.
Israel Releases Prisoner X2, Former Senior Mossad Official Secretly Imprisoned for Betraying IsraelMay 7, 2018 by Richard Silverstein
Chances are Iran has more of these.