alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Gootkit SSL Cert Dec 10 2014"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00 d2 a9 3c 29 28 ec b0 b1|"; distance:0; fast_pattern; content:"|55 04 0a|"; distance:0; content:"|0e|My Company Ltd"; distance:1; within:15; reference:md5,c05453a18b6dc45bc258a377d2161b1c; classtype:trojan-activity; sid:2019907; rev:3; metadata:attack_target Client_Endpoint, created_at 2014_12_10, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_09_10;)