alert tls $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET POLICY Remote Access - RView - SSL Certificate Seen"; flow:established,to_client; tls.cert_subject; content:"CN=*.rview.com"; fast_pattern; classtype:policy-violation; sid:2020805; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_03_31, deployment Perimeter, confidence High, signature_severity Informational, tag SSL_Malicious_Cert, updated_at 2022_03_23, reviewed_at 2024_03_28;)