ET MALWARE Win32.Chroject.B ClickFraud Request

Query · suricata

flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:"/item/fmt?ct="; depth:13; fast_pattern;
http.referer;
pcre:"/^http\x3a\/\/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\/[a-z_-]+\/(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})\r?$/i";
Raw source ET MALWARE Win32.Chroject.B ClickFraud Request · 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32.Chroject.B ClickFraud Request";
    flow:to_server,established;
    http.method;
    content:"GET";
    http.uri;
    content:"/item/fmt?ct="; depth:13; fast_pattern;
    http.referer;
    pcre:"/^http\x3a\/\/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\/[a-z_-]+\/(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})\r?$/i";
    reference:md5,586ad13656f4595723b481d77b6bfb09;
    classtype:trojan-activity;
    sid:2020750; rev:5;
    metadata:created_at 2015_03_26, signature_severity Major, updated_at 2020_05_19;
)

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