Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY owncloud .online Hosted Site Observed in TLS SNI"; flow:established,to_server; tls.sni; content:".owncloud.online"; endswith; reference:url,tria.ge/210809-35bb7j7tne/behavioral2; classtype:trojan-activity; sid:2034549; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_11_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_29;)