ET POLICY SN and CN From MS TS Revoked Cert Chain Seen

Query · suricata

flow:established,from_server;
content:"|c1 00 8b 3c 3c 88 11 d1 3e f6 63 ec df 40|";
content:"Microsoft Root Authority"; distance:105; within:24;
content:"Microsoft Enforced Licensing Intermediate PCA"; distance:0;
content:"|61 1a 02 b7 00 02 00 00 00 12|"; distance:0;
content:"Microsoft Enforced Licensing Registration Authority CA"; distance:378; within:54;
Raw source ET POLICY SN and CN From MS TS Revoked Cert Chain Seen · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HOME_NET any (
    msg:"ET POLICY SN and CN From MS TS Revoked Cert Chain Seen";
    flow:established,from_server;
    content:"|c1 00 8b 3c 3c 88 11 d1 3e f6 63 ec df 40|";
    content:"Microsoft Root Authority"; distance:105; within:24;
    content:"Microsoft Enforced Licensing Intermediate PCA"; distance:0;
    content:"|61 1a 02 b7 00 02 00 00 00 12|"; distance:0;
    content:"Microsoft Enforced Licensing Registration Authority CA"; distance:378; within:54;
    reference:url,blog.crysys.hu/2012/06/the-flame-malware-wusetupv-exe-certificate-chain/;
    reference:url,rmhrisk.wpengine.com/?p=52;
    reference:url,msdn.microsoft.com/en-us/library/aa448396.aspx;
    reference:md5,1f61d280067e2564999cac20e386041c;
    classtype:bad-unknown;
    sid:2014870; rev:4;
    metadata:created_at 2012_06_08, confidence High, signature_severity Informational, updated_at 2019_07_26;
)

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