ET WEB_CLIENT Tech Support Scam - Windows Firewall M1 2021-08-17

Query · suricata

flow:established,from_server;
http.stat_code;
content:"200";
file.data;
content:"<title>Windows|20|code|20|firewall0x"; fast_pattern;
content:".mp3|22 20|type=|22|audio/mpeg|22|";
content:"<span>Windows-Firewall";
Raw source ET WEB_CLIENT Tech Support Scam - Windows Firewall M1 2021-08-17 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_CLIENT Tech Support Scam - Windows Firewall M1 2021-08-17";
    flow:established,from_server;
    http.stat_code;
    content:"200";
    file.data;
    content:"<title>Windows|20|code|20|firewall0x"; fast_pattern;
    content:".mp3|22 20|type=|22|audio/mpeg|22|";
    content:"<span>Windows-Firewall";
    classtype:social-engineering;
    sid:2034203; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_10_17, deployment Perimeter, confidence High, signature_severity Minor, tag SocEng, updated_at 2021_10_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;
)

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