ET MALWARE StartPage Userclass HTTP Request

Query · suricata

flow:established,to_server;
urilen:10;
http.uri;
content:"/Userclass"; fast_pattern;
http.header_names;
content:!"Accept";
content:!"User-Agent|0d 0a|";
content:!"Referer";
Raw source ET MALWARE StartPage Userclass HTTP 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 StartPage Userclass HTTP Request";
    flow:established,to_server;
    urilen:10;
    http.uri;
    content:"/Userclass"; fast_pattern;
    http.header_names;
    content:!"Accept";
    content:!"User-Agent|0d 0a|";
    content:!"Referer";
    reference:md5,92ecb8cedb226a27e354b45a56f0353f;
    classtype:trojan-activity;
    sid:2021922; rev:4;
    metadata:created_at 2015_10_07, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_05;
)

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