alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Win32/Zbot SSL Cert Nov 11 2014"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00 d1 9e 51 1d eb 97 c1 ea|"; within:35; fast_pattern; content:"|55 04 07|"; distance:0; content:"|08|Sometown"; distance:1; within:9; reference:md5,37f927437de627777c5b571fc46fb218; classtype:trojan-activity; sid:2019698; rev:3; metadata:attack_target Client_Endpoint, created_at 2014_11_12, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_09_10;)