ET MALWARE f0xy Checkin

Query · suricata

flow:to_server,established;
urilen:10;
content:"/hello.php"; fast_pattern;
http.method;
content:"GET";
http.header_names;
content:"|0d 0a|Host|0d 0a 0d 0a|"; depth:10; endswith;
Raw source ET MALWARE f0xy Checkin · 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 f0xy Checkin";
    flow:to_server,established;
    urilen:10;
    content:"/hello.php"; fast_pattern;
    http.method;
    content:"GET";
    http.header_names;
    content:"|0d 0a|Host|0d 0a 0d 0a|"; depth:10; endswith;
    reference:md5,160634d784c256d29563117554685c31;
    reference:url,community.websense.com/blogs/securitylabs/archive/2015/01/29/new-f0xy-malware-employs-cunning-stealth-amp-trickery.aspx;
    classtype:command-and-control;
    sid:2020339; rev:5;
    metadata:created_at 2015_01_30, signature_severity Major, updated_at 2020_11_02;
)

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