ET MALWARE Win32/DMA Locker CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?action="; fast_pattern;
content:!".aspx";
pcre:"/\?action=\d(&botId=[A-F0-9]{32})?$/i";
http.header_names;
content:"|0d 0a|Host|0d 0a 0d 0a|"; startswith;
Raw source ET MALWARE Win32/DMA Locker CnC 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/DMA Locker CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?action="; fast_pattern;
    content:!".aspx";
    pcre:"/\?action=\d(&botId=[A-F0-9]{32})?$/i";
    http.header_names;
    content:"|0d 0a|Host|0d 0a 0d 0a|"; startswith;
    reference:md5,050f04ed78e96418179228272998d87d;
    classtype:command-and-control;
    sid:2022873; rev:5;
    metadata:created_at 2016_06_07, malware_family Win32_DMA, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2024_04_08;
)

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