alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Possible Zbot SSL Cert Dec 16 2014"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00 cc c9 0f 16 44 47 71 3d|"; within:35; fast_pattern; content:"|55 04 0A|"; distance:0; content:"|13|Default Company Ltd"; distance:1; within:20; reference:md5,417a42f5e244ce2f340f16fa2fed0412; classtype:trojan-activity; sid:2019955; rev:3; metadata:attack_target Client_Endpoint, created_at 2014_12_17, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_09_10;)