ET MALWARE Win32.ServStart.D Checkin

Query · suricata

flow:to_server,established;
content:"Win|20|";
pcre:"/^(:?[78]|XP)/Ri";
content:"MB|00|"; distance:0;
content:"MHz|00|"; distance:0;
content:"|20|Mbps|00|"; fast_pattern;
Raw source ET MALWARE Win32.ServStart.D 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 Win32.ServStart.D Checkin";
    flow:to_server,established;
    content:"Win|20|";
    pcre:"/^(:?[78]|XP)/Ri";
    content:"MB|00|"; distance:0;
    content:"MHz|00|"; distance:0;
    content:"|20|Mbps|00|"; fast_pattern;
    reference:md5,ad906500dd344cbbdf37997a4b27389f;
    reference:url,blog.netlab.360.com/public-cloud-threat-intelligence-202203/;
    classtype:command-and-control;
    sid:2036415; rev:2;
    metadata:created_at 2016_03_15, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;
)

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