Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED Observed URL Shortener Service Domain (fanlink .to) in TLS SNI"; flow:established,to_server; tls.sni; content:"fanlink.to"; bsize:10; fast_pattern; classtype:misc-activity; sid:2044047; rev:2; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2023_02_01, deployment Perimeter, former_category INFO, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_30, reviewed_at 2024_09_30;)