ET MALWARE MargulasRAT Keep-Alive Outbound M1

Query · suricata

flow:established,to_server;
content:"|31 36 00 ba fe ef fa 6f d3 df bf 95 83 64 32 67 88 bc 83|";
dsize:19;
Raw source ET MALWARE MargulasRAT Keep-Alive Outbound M1 · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE MargulasRAT Keep-Alive Outbound M1";
    flow:established,to_server;
    content:"|31 36 00 ba fe ef fa 6f d3 df bf 95 83 64 32 67 88 bc 83|";
    dsize:19;
    reference:md5,66fb288e71fa3fbcd2b49d292f1938f6;
    reference:url,blog.talosintelligence.com/2021/07/sidecopy.html;
    classtype:command-and-control;
    sid:2033333; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_07_15, deployment Perimeter, malware_family MargulasRAT, confidence High, signature_severity Major, tag RAT, updated_at 2021_07_15;
)

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