Versions (4)
Version DetailsCurrent
Rev: 3 • Jul 17, 2014, 12:00 PMET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL certificate detected (Vawtrak MITM)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL certificate detected (Vawtrak MITM)"; flow:established,to_client; tls.cert_subject; content:"CN=duosecure.com"; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2018696; rev:3; metadata:attack_target Client_and_Server, created_at 2014_07_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_18, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)
Jul 17, 2014, 12:00 PM
Apr 18, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 15, 2025, 9:35 PM
rules/emerging-malware.rules