Versions (2)
Version DetailsCurrent
Rev: 1 • Feb 4, 2026, 12:00 PMET INFO Observed Blockchain RPC Domain (polygon .rpc .hypersync .xyz in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Blockchain RPC Domain (polygon .rpc .hypersync .xyz in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".polygon.rpc.hypersync.xyz"; endswith; fast_pattern; classtype:misc-activity; sid:2067321; 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;)
Feb 4, 2026, 12:00 PM
Feb 4, 2026, 12:00 PM
Feb 4, 2026, 10:34 PM
Feb 6, 2026, 10:34 PM
rules/emerging-info.rules