Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY Monitoring Software Domain (sneek .io) in TLS SNI"; flow:established,to_server; tls.sni; content:"sneek.io"; bsize:8; classtype:policy-violation; sid:2030922; rev:1; metadata:attack_target Client_Endpoint, created_at 2020_09_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_29;)