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Rev: 1 • Jul 1, 2020, 12:00 PMET MALWARE Observed StrongPity CnC Domain in TLS SNI
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed StrongPity CnC Domain in TLS SNI"; flow:to_server,established; tls.sni; content:"upd-ncx4-server.com"; endswith; reference:url,blog.talosintelligence.com/2020/06/promethium-extends-with-strongpity3.html; classtype:domain-c2; sid:2030417; rev:1; metadata:affected_product Web_Browsers, created_at 2020_07_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag StrongPity, tag SSL_TLS_SNI, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_07_01, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Jul 1, 2020, 12:00 PM
Jul 1, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 17, 2025, 9:34 PM
rules/emerging-malware.rules