ET MALWARE Win32/Emold.C Checkin

Query · suricata

flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:".php?v="; fast_pattern;
content:"&rs="; distance:0;
content:"&n="; distance:0;
pcre:"/\.php\?v\x3d\d+?\x26rs\x3d(?:(?:\d+?\x2d){3})?\d+?\x26n\x3d\d/i";
http.user_agent;
content:"Windows NT 5.";
http.header_names;
content:!"Referer";
Raw source ET MALWARE Win32/Emold.C Checkin · Suricata
Esc
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/Emold.C Checkin";
    flow:to_server,established;
    http.method;
    content:"GET";
    http.uri;
    content:".php?v="; fast_pattern;
    content:"&rs="; distance:0;
    content:"&n="; distance:0;
    pcre:"/\.php\?v\x3d\d+?\x26rs\x3d(?:(?:\d+?\x2d){3})?\d+?\x26n\x3d\d/i";
    http.user_agent;
    content:"Windows NT 5.";
    http.header_names;
    content:!"Referer";
    reference:url,www.microsoft.com/security/portal/Threat/Encyclopedia/Entry.aspx?Name=TrojanDropper%3AWin32%2FEmold.C;
    reference:md5,49205774f0ff7605c226828e080238f3;
    classtype:command-and-control;
    sid:2016251; rev:7;
    metadata:created_at 2011_10_19, malware_family Win32_Emold_C, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_18;
)

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