ET WEB_CLIENT Tech Support Phone Scam Landing 2018-01-10

Query · suricata

flow:from_server,established;
file_data;
content:"<title>Security Warning"; nocase; fast_pattern;
content:"background-color:#d70000"; nocase; distance:0;
Raw source ET WEB_CLIENT Tech Support Phone Scam Landing 2018-01-10 · 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 2018-01-10";
    flow:from_server,established;
    file_data;
    content:"<title>Security Warning"; nocase; fast_pattern;
    content:"background-color:#d70000"; nocase; distance:0;
    classtype:social-engineering;
    sid:2025197; rev:3;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2018_01_10, 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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