ET MALWARE Drovorub shell Module Server Response

Query · suricata

flow:established,to_client;
file_data;
content:"|7b 22|children|22|"; startswith;
content:"|22|name|22|";
content:"|22|module|22|";
content:"|22|c2hlbGw=|22|"; distance:0; fast_pattern;
content:"|22|name|22|";
content:"|22|action|22|";
Raw source ET MALWARE Drovorub shell Module Server Response · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Drovorub shell Module Server Response";
    flow:established,to_client;
    file_data;
    content:"|7b 22|children|22|"; startswith;
    content:"|22|name|22|";
    content:"|22|module|22|";
    content:"|22|c2hlbGw=|22|"; distance:0; fast_pattern;
    content:"|22|name|22|";
    content:"|22|action|22|";
    reference:url,media.defense.gov/2020/Aug/13/2002476465/-1/-1/0/CSA_DROVORUB_RUSSIAN_GRU_MALWARE_AUG_2020.PDF;
    classtype:targeted-activity;
    sid:2030686; rev:2;
    metadata:affected_product Linux, attack_target Client_Endpoint, created_at 2020_08_13, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_08_13;
)

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