ET MALWARE Observed Malicious SSL Cert Associated with PolarEdge Botnet M1

Query · suricata

flow:established,to_client;
tls.cert_issuer;
content:"dcnd|40|qqqqc.com"; fast_pattern;
Raw source ET MALWARE Observed Malicious SSL Cert Associated with PolarEdge Botnet M1 · 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 Associated with PolarEdge Botnet M1";
    flow:established,to_client;
    tls.cert_issuer;
    content:"dcnd|40|qqqqc.com"; fast_pattern;
    reference:url,blog.sekoia.io/polaredge-unveiling-an-uncovered-iot-botnet/;
    classtype:trojan-activity;
    sid:2060436; rev:2;
    metadata:affected_product Any, attack_target IoT, created_at 2025_02_28, deployment Perimeter, malware_family PolarEdge, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2025_07_24, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1573, mitre_technique_name Encrypted_Channel;
)

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