ET MALWARE Win32/Agent.XST Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"this is UP"; depth:10; fast_pattern;
content:"|00 00 00 00|";
http.content_type;
content:"text/html"; bsize:9;
http.header_names;
content:!"Referer|0d 0a|";
content:!"Accept|0d 0a|";
Raw source ET MALWARE Win32/Agent.XST 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 Win32/Agent.XST Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"this is UP"; depth:10; fast_pattern;
    content:"|00 00 00 00|";
    http.content_type;
    content:"text/html"; bsize:9;
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"Accept|0d 0a|";
    reference:md5,d579d7a42ff140952da57264614c37bc;
    reference:url,asert.arbornetworks.com/wp-content/uploads/2016/01/ASERT-Threat-Intelligence-Brief-Uncovering-the-Seven-Pointed-Dagger.pdf;
    classtype:command-and-control;
    sid:2022362; rev:3;
    metadata:created_at 2016_01_13, malware_family Win32_Agent_XST, signature_severity Major, updated_at 2020_06_17;
)

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