Versions (5)
Version DetailsCurrent
Rev: 2 • Mar 19, 2019, 12:00 PMET MALWARE Observed Malicious SSL Cert (Gootkit CnC)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (Gootkit CnC)"; flow:from_server,established; content:"|82 1c|ws.diminishedvalueoregon.com"; tls.cert_serial; content:"0E:1F:E3:45:FC:89"; classtype:domain-c2; sid:2027101; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2019_03_19, deployment Perimeter, malware_family Gootkit, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_28, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Mar 19, 2019, 12:00 PM
Aug 28, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 24, 2025, 8:37 PM
rules/emerging-malware.rules