ET MALWARE Backdoor.Win32.Svlk Client Checkin

Query · suricata

flow:from_client,established;
dsize:12;
content:"|38 0d ff 0a d7 ee 9d d7 ec 59 13 56|"; depth:12;
Raw source ET MALWARE Backdoor.Win32.Svlk Client 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 tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Backdoor.Win32.Svlk Client Checkin";
    flow:from_client,established;
    dsize:12;
    content:"|38 0d ff 0a d7 ee 9d d7 ec 59 13 56|"; depth:12;
    reference:md5,c929e8c75901c7e50685df0445a38bd0;
    classtype:command-and-control;
    sid:2013891; rev:1;
    metadata:created_at 2011_11_09, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;
)

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