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Rev: 1 • Dec 22, 2020, 12:00 PMET MALWARE Observed Malicious SSL Cert (PhantomNet/Smanager CnC)
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (PhantomNet/Smanager CnC)"; flow:established,to_client; tls.cert_subject; content:"C=AU, ST=Hello, L=China, O=Microsoft, OU=dirweb, CN=secfire/emailAddress=iunkown1987@gmail.com"; bsize:94; fast_pattern; reference:url,insight-jp.nttsecurity.com/post/102glv5/pandas-new-arsenal-part-3-smanager; classtype:domain-c2; sid:2031448; rev:1; metadata:attack_target Client_and_Server, created_at 2020_12_22, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_12_22, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Dec 22, 2020, 12:00 PM
Dec 22, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 15, 2025, 9:36 PM
rules/emerging-malware.rules