ET MALWARE Likely Malicious SSL Cert With Script Tags

Query · suricata

flow:established,to_client;
tls.cert_subject;
content:"<script>";
content:"</script>"; distance:0; fast_pattern;
Raw source ET MALWARE Likely Malicious SSL Cert With Script Tags · 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 Likely Malicious SSL Cert With Script Tags";
    flow:established,to_client;
    tls.cert_subject;
    content:"<script>";
    content:"</script>"; distance:0; fast_pattern;
    reference:md5,73705a4a8b03e5f866fac821aaec273a;
    classtype:domain-c2;
    sid:2018768; rev:3;
    metadata:attack_target Client_and_Server, created_at 2014_07_24, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)

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