Versions (5)
Version DetailsCurrent
Rev: 3 • Sep 17, 2019, 12:00 PMET MALWARE Observed Malicious SSL Cert (MalDoc DL 2019-09-17 1)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (MalDoc DL 2019-09-17 1)"; flow:established,to_client; tls.cert_subject; content:"OU=Domain Control Validated, OU=PositiveSSL, CN=dapoerwedding.com"; endswith; fast_pattern; reference:url,twitter.com/jeFF0Falltrades/status/1173300902242988032; reference:md5,db51f2715c81c4357d11d69ac96bf582; classtype:domain-c2; sid:2028596; rev:3; metadata:attack_target Client_and_Server, created_at 2019_09_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Sep 17, 2019, 12:00 PM
Sep 17, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 22, 2025, 9:34 PM
rules/emerging-malware.rules