ET MALWARE Win32.Drun Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php";
http.header;
content:"Host|3a 20|"; depth:6;
http.request_body;
content:"kind="; depth:5; fast_pattern;
content:"&id="; distance:0;
http.header_names;
content:!"Referer|0d 0a|";
content:!"Accept";
content:!"User-Agent|0d 0a|";
Raw source ET MALWARE Win32.Drun Checkin · 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.Drun Checkin";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php";
    http.header;
    content:"Host|3a 20|"; depth:6;
    http.request_body;
    content:"kind="; depth:5; fast_pattern;
    content:"&id="; distance:0;
    http.header_names;
    content:!"Referer|0d 0a|";
    content:!"Accept";
    content:!"User-Agent|0d 0a|";
    reference:url,twitter.com/securitydoggo/status/954337767751905280;
    classtype:command-and-control;
    sid:2025225; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target DNS_Server, created_at 2018_01_19, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2020_08_24;
)

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