Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Passive Income App Domain (caden .io in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".caden.io"; endswith; fast_pattern; classtype:misc-activity; sid:2067490; rev:3; metadata:attack_target Client_Endpoint, created_at 2026_02_11, deployment Perimeter, former_category ADWARE_PUP, malware_family PUP, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_23;)