Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO File Sharing Service Domain (docdroid .net) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".docdroid.net"; endswith; fast_pattern; classtype:misc-activity; sid:2039754; rev:1; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2022_11_08, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_08;)