alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Win32/Zbot SSL Cert Oct 9 2014"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00 be cf d6 29 b3 79 8f e2|"; within:35; fast_pattern; content:"|55 04 0a|"; distance:0; content:"|13|Default Company Ltd"; distance:1; within:20; reference:md5,3a9f4fc34e121fc2e5c0d7775091714c; classtype:trojan-activity; sid:2019382; rev:3; metadata:attack_target Client_Endpoint, created_at 2014_10_09, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_09_10;)