Versions (4)
Version DetailsCurrent
Rev: 2 • Sep 26, 2023, 12:00 PMET PHISHING Phishing Domain in TLS SNI (imedcloud .net)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET PHISHING Phishing Domain in TLS SNI (imedcloud .net)"; flow:established,to_server; tls.sni; bsize:13; content:"imedcloud.net"; fast_pattern; classtype:misc-activity; sid:2048273; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_09_26, deployment Perimeter, deprecation_reason Age, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_02, reviewed_at 2023_11_02, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Sep 26, 2023, 12:00 PM
Nov 2, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 18, 2025, 8:35 PM
rules/emerging-phishing.rules