Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO URL Shortening Service Domain in TLS SNI (coki .me)"; flow:established,to_server; tls.sni; content:"coki.me"; bsize:7; fast_pattern; classtype:misc-activity; sid:2033267; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_07_07, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_28;)