Versions (5)
Version DetailsCurrent
Rev: 3 • Mar 16, 2017, 12:00 PMET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL Certificate Detected (Android Marcher C2)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL Certificate Detected (Android Marcher C2)"; flow:established,to_client; tls.cert_subject; content:"CN=randfservices.co.uk"; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2024071; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2017_03_16, 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 TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Mar 16, 2017, 12:00 PM
Apr 18, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Jan 5, 2026, 10:34 PM
rules/emerging-malware.rules