ET MALWARE Observed Fake Updates Page Inbound

Query · suricata

flow:established,to_client;
http.response_body;
content:"working|20|on|20|updates|2e 20|please|20|do|20|not|20|turn|20|off|20|your|20|computer"; nocase; fast_pattern;
content:"installing|20|features|20|and|20|drivers"; nocase;
content:"critical|20|security|20|update"; nocase;
target:dest_ip;
Raw source ET MALWARE Observed Fake Updates Page Inbound · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Observed Fake Updates Page Inbound";
    flow:established,to_client;
    http.response_body;
    content:"working|20|on|20|updates|2e 20|please|20|do|20|not|20|turn|20|off|20|your|20|computer"; nocase; fast_pattern;
    content:"installing|20|features|20|and|20|drivers"; nocase;
    content:"critical|20|security|20|update"; nocase;
    classtype:trojan-activity;
    sid:2069668; rev:1;
    metadata:affected_product Windows_Client, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_06_05, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, updated_at 2026_06_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;
    target:dest_ip;
)

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