Versions (3)
Version DetailsCurrent
Rev: 1 • Apr 11, 2024, 12:00 PMET PHISHING Observed Fake Privnote Domain (pirvnota .com in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Observed Fake Privnote Domain (pirvnota .com in TLS SNI)"; flow:established,to_server; tls.sni; bsize:12; content:"pirvnota.com"; fast_pattern; reference:url,krebsonsecurity.com/2024/04/fake-lawsuit-threat-exposes-privnote-phishing-sites/; classtype:trojan-activity; sid:2051999; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_04_11, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_11, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Apr 11, 2024, 12:00 PM
Apr 11, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 12, 2025, 9:34 PM
rules/emerging-phishing.rules