ET WEB_CLIENT Tech Support Scam Landing Jul 19 2017

Query · suricata

flow:from_server,established;
http.stat_code;
content:"200";
file.data;
content:"function getSystemInfo"; nocase; distance:0;
content:"OnChatTextKeyDown"; nocase; distance:0; fast_pattern;
content:"function scrollcheck"; nocase; distance:0;
content:"function callconv"; nocase; distance:0;
content:"function istyping"; nocase; distance:0;
content:"function dochat"; nocase; distance:0;
Raw source ET WEB_CLIENT Tech Support Scam Landing Jul 19 2017 · Suricata
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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 Landing Jul 19 2017";
    flow:from_server,established;
    http.stat_code;
    content:"200";
    file.data;
    content:"function getSystemInfo"; nocase; distance:0;
    content:"OnChatTextKeyDown"; nocase; distance:0; fast_pattern;
    content:"function scrollcheck"; nocase; distance:0;
    content:"function callconv"; nocase; distance:0;
    content:"function istyping"; nocase; distance:0;
    content:"function dochat"; nocase; distance:0;
    classtype:social-engineering;
    sid:2024480; rev:3;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2017_07_18, deployment Perimeter, confidence Medium, signature_severity Minor, tag Phishing, updated_at 2020_08_10;
)

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