Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Blockchain RPC Domain (polygon .lava .build in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".polygon.lava.build"; endswith; fast_pattern; classtype:misc-activity; sid:2067325; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_02_04, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_04;)