Rule History

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Observed Phish Landing Page Domain (1wkcif .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:10; content:"1wkcif.com"; fast_pattern; classtype:social-engineering; sid:2065538; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_10_28, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_28;)