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Rev: 2 • Nov 15, 2021, 12:00 PMET MALWARE Observed Malicious SSL Cert (VenomRAT)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (VenomRAT)"; flow:established,to_client; tls.cert_issuer; content:"CN=VenomRAT Server"; fast_pattern; reference:md5,ee6eae7c559e26e5cd44bd56d7fe93b7; classtype:domain-c2; sid:2052265; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2021_11_15, deployment Perimeter, malware_family AsyncRAT, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_25, former_sid 2850454, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Nov 15, 2021, 12:00 PM
Apr 25, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 11, 2025, 10:35 PM
rules/emerging-malware.rules