Could the Iranians have a malicious node join the scuttlebutt network to crawl and identify nodes hosting content for dissidents? Aren't scuttlebutt nodes more

Could the Iranians have a malicious node join the scuttlebutt network to crawl and identify nodes hosting content for dissidents? Aren't scuttlebutt nodes more susceptible to DDOS than Facebook or Twitter? Are there features in scuttlebutt to mitigate this?