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;)