Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Blockchain RPC Domain in TLS SNI (mainnet .infura .io)"; flow:established,to_server; tls.sni; bsize:17; content:"mainnet.infura.io"; fast_pattern; reference:url,docs.metamask.io/services/get-started/endpoints; classtype:misc-activity; sid:2065522; rev:1; metadata:created_at 2025_10_27, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_27;)