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Rev: 2 • Oct 7, 2019, 12:00 PMET MALWARE Observed Malicious SSL Cert (AZORult CnC Server) 2019-10-01
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (AZORult CnC Server) 2019-10-01"; flow:established,to_client; tls.cert_subject; bsize:63; content:"OU=Domain Control Validated, OU=PositiveSSL, CN=www.livdecor.pt"; fast_pattern; reference:md5,7baca517af0b93bd3f94910c7b8f10db; reference:md5,efb4951e11baf306f5680a041c214e5b; classtype:domain-c2; sid:2028656; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2019_10_07, deployment Perimeter, malware_family AZORult, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_07, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Oct 7, 2019, 12:00 PM
Oct 7, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 22, 2025, 9:34 PM
rules/emerging-malware.rules