ET MALWARE Win32/Enosch.A gtalk connectivity check

Query · suricata

flow:to_server;
http.uri;
content:"/index.html";
http.user_agent;
content:"gtalk"; fast_pattern; bsize:5;
http.host;
content:"www.google.com";
http.header_names;
content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; depth:22; endswith;
Raw source ET MALWARE Win32/Enosch.A gtalk connectivity check · 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/Enosch.A gtalk connectivity check";
    flow:to_server;
    http.uri;
    content:"/index.html";
    http.user_agent;
    content:"gtalk"; fast_pattern; bsize:5;
    http.host;
    content:"www.google.com";
    http.header_names;
    content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; depth:22; endswith;
    reference:md5,b13db8b21289971b3c88866d202fad49;
    classtype:trojan-activity;
    sid:2018508; rev:5;
    metadata:created_at 2014_05_30, malware_family Win32_Enosch_A, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_19;
)

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