ET MALWARE Win32/Cutwail.BE Checkin 1

Query · suricata

flow:established,from_client;
dsize:234;
content:"|16 03 00 00 37 01 00 00 33 03 00|"; depth:11;
threshold:type limit, track by_src, seconds 60, count 1;
Raw source ET MALWARE Win32/Cutwail.BE Checkin 1 · 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 tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Cutwail.BE Checkin 1";
    flow:established,from_client;
    dsize:234;
    content:"|16 03 00 00 37 01 00 00 33 03 00|"; depth:11;
    threshold:type limit, track by_src, seconds 60, count 1;
    reference:md5,4352407efc8891215b514a54db5b8a1d;
    reference:md5,45ab3554f3d60d07fc5228faff7784e1;
    classtype:command-and-control;
    sid:2014271; rev:3;
    metadata:created_at 2012_02_22, malware_family Win32_Cutwail_BE, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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