ET MALWARE Possible Trojan.APT.9002 POST

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
pcre:"/^\/[a-f0-9]+$/";
http.user_agent;
content:"lynx"; depth:4;
isdataat:!1,relative; fast_pattern;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE Possible Trojan.APT.9002 POST · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Possible Trojan.APT.9002 POST";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    pcre:"/^\/[a-f0-9]+$/";
    http.user_agent;
    content:"lynx"; depth:4;
    isdataat:!1,relative; fast_pattern;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/11/operation-ephemeral-hydra-ie-zero-day-linked-to-deputydog-uses-diskless-method.html;
    classtype:targeted-activity;
    sid:2017702; rev:4;
    metadata:created_at 2013_11_11, confidence Medium, signature_severity Major, updated_at 2020_12_10;
)

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