ET MALWARE WORM_VOBFUS Checkin Generic

Query · suricata

flow:established,to_server;
urilen:5;
http.method;
content:"GET";
http.uri;
content:"/1/?"; fast_pattern; depth:4;
isdataat:!2,relative;
http.user_agent;
content:"Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|Windows NT 5.1|3b 20|SV1)";
http.header_names;
content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; depth:22;
Raw source ET MALWARE WORM_VOBFUS Checkin Generic · 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 WORM_VOBFUS Checkin Generic";
    flow:established,to_server;
    urilen:5;
    http.method;
    content:"GET";
    http.uri;
    content:"/1/?"; fast_pattern; depth:4;
    isdataat:!2,relative;
    http.user_agent;
    content:"Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|Windows NT 5.1|3b 20|SV1)";
    http.header_names;
    content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; depth:22;
    reference:md5,f127ed76dc5e48f69a1070f314488ce2;
    reference:url,blog.trendmicro.com/trendlabs-security-intelligence/watch-out-for-worm_vobfus/;
    reference:url,blog.dynamoo.com/2012/11/vobfus-sites-to-block.html;
    classtype:command-and-control;
    sid:2015976; rev:4;
    metadata:created_at 2012_12_04, signature_severity Major, updated_at 2020_08_18;
)

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