ET MALWARE Trojan.Nurjax Checkin

Query · suricata

flow:established,to_server;
http.uri;
content:"update.php?";
content:"&key="; distance:0;
content:"&dummy="; fast_pattern; distance:0;
http.header_names;
content:!"Referer";
Raw source ET MALWARE Trojan.Nurjax 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 Trojan.Nurjax Checkin";
    flow:established,to_server;
    http.uri;
    content:"update.php?";
    content:"&key="; distance:0;
    content:"&dummy="; fast_pattern; distance:0;
    http.header_names;
    content:!"Referer";
    reference:md5,1837561f9537d2fcc2b4f0ea6fd3a095;
    reference:url,www.symantec.com/security_response/writeup.jsp?docid=2014-121000-1027-99&tabid=2;
    classtype:command-and-control;
    sid:2020034; rev:4;
    metadata:created_at 2014_12_23, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_18;
)

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