ET MALWARE W32/Dinwod.Dropper Win32/Xtrat.B CnC Beacon

Query · suricata

flow:established,to_server;
dsize:<30;
content:"myversion|7C|"; depth:10;
pcre:"/^\d/R";
Raw source ET MALWARE W32/Dinwod.Dropper Win32/Xtrat.B CnC Beacon · Suricata
Esc
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 W32/Dinwod.Dropper Win32/Xtrat.B CnC Beacon";
    flow:established,to_server;
    dsize:<30;
    content:"myversion|7C|"; depth:10;
    pcre:"/^\d/R";
    reference:md5,dd6a13ba9177a18a8cf16b52ff643abc;
    classtype:command-and-control;
    sid:2018101; rev:5;
    metadata:attack_target Client_Endpoint, created_at 2014_02_10, deployment Perimeter, malware_family Win32_Xtrat_B, signature_severity Major, tag c2, updated_at 2019_07_26, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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