ET MALWARE Win32/Neutrino ping

Query · suricata

flow:to_server,established;
threshold:type both, count 1, seconds 60, track by_src;
http.method;
content:"POST";
http.header;
content:"Content-Length|3a 20|7|0d 0a|"; nocase;
http.request_body;
content:"ping=1|0a|"; depth:7; fast_pattern;
http.header_names;
content:!"Accept";
content:!"Referer|0d 0a|";
Raw source ET MALWARE Win32/Neutrino ping · 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 Win32/Neutrino ping";
    flow:to_server,established;
    threshold:type both, count 1, seconds 60, track by_src;
    http.method;
    content:"POST";
    http.header;
    content:"Content-Length|3a 20|7|0d 0a|"; nocase;
    http.request_body;
    content:"ping=1|0a|"; depth:7; fast_pattern;
    http.header_names;
    content:!"Accept";
    content:!"Referer|0d 0a|";
    reference:md5,bef57db893b54c5605d0e3e7d50d6d70;
    reference:md5,bf555378d935de805f39c2d2d965a888;
    reference:url,securitykitten.github.io/an-evening-with-n3utrino/;
    classtype:trojan-activity;
    sid:2019211; rev:5;
    metadata:created_at 2014_09_22, malware_family Win32_Neutrino, signature_severity Major, updated_at 2020_08_04;
)

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