ET MALWARE Trojan.Nurjax Downloading PE

Query · suricata

flow:established,to_server;
http.uri;
content:".exe?dummy="; fast_pattern;
pcre:"/\.exe\?dummy=\d+$/";
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Trojan.Nurjax Downloading PE · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Trojan.Nurjax Downloading PE";
    flow:established,to_server;
    http.uri;
    content:".exe?dummy="; fast_pattern;
    pcre:"/\.exe\?dummy=\d+$/";
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,6b7759565454fb7d02fb5bc638136f31;
    classtype:trojan-activity;
    sid:2020032; rev:4;
    metadata:created_at 2014_12_23, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_29;
)

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