Versions (5)
Version DetailsCurrent
Rev: 6 • Jul 30, 2014, 12:00 PMET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL certificate detected (KINS C2)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL certificate detected (KINS C2)"; flow:established,from_server; content:"|55 04 03|"; content:"|0c|nagchampa.in"; distance:1; within:13; tls.fingerprint:"cd:bc:8b:c2:e9:63:ee:6c:e5:18:e0:6a:92:42:a5:4a:28:19:eb:7f"; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2018851; rev:6; metadata:attack_target Client_and_Server, created_at 2014_07_30, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_04, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Jul 30, 2014, 12:00 PM
Jul 4, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 8, 2025, 9:38 PM
rules/emerging-malware.rules