ET MALWARE Observed Malicious SSL Cert (DeadlyKiss APT)

Query · suricata

flow:established,from_server;
tls.cert_subject;
content:"CN=iluvshopping.com"; fast_pattern;
tls.cert_serial;
content:"27:93";
Raw source ET MALWARE Observed Malicious SSL Cert (DeadlyKiss APT) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tls $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Observed Malicious SSL Cert (DeadlyKiss APT)";
    flow:established,from_server;
    tls.cert_subject;
    content:"CN=iluvshopping.com"; fast_pattern;
    tls.cert_serial;
    content:"27:93";
    classtype:domain-c2;
    sid:2028626; rev:2;
    metadata:attack_target Client_and_Server, created_at 2019_09_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag DeadlyKiss, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_02, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)

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