ET WEB_CLIENT Tech Support Phone Scam Landing 2017-07-26

Query · suricata

flow:from_server,established;
file_data;
content:"<title>Windows Defender"; nocase; fast_pattern;
content:"<audio id=|22|play|22 20|loop="; nocase; distance:0;
content:".mp3|22 20|type=|22|audio/mpeg"; nocase; distance:0;
content:"Windows Defender Alert"; nocase; distance:0;
Raw source ET WEB_CLIENT Tech Support Phone Scam Landing 2017-07-26 · 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 Phone Scam Landing 2017-07-26";
    flow:from_server,established;
    file_data;
    content:"<title>Windows Defender"; nocase; fast_pattern;
    content:"<audio id=|22|play|22 20|loop="; nocase; distance:0;
    content:".mp3|22 20|type=|22|audio/mpeg"; nocase; distance:0;
    content:"Windows Defender Alert"; nocase; distance:0;
    classtype:social-engineering;
    sid:2025910; rev:2;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_07_26, deployment Perimeter, confidence High, signature_severity Minor, tag Tech_Support_Scam, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_08_16;
)

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