alert tcp $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET DELETED Possible W32/Zbot.InfoStealer SSL Cert Parallels.com"; flow:established,to_client; content:"|16 03 01|"; depth:3; content:"|16 03 01|"; distance:0; content:"|52 14 cb 90|"; distance:0; content:"|12|info@parallels.com"; distance:0; reference:md5,19e17898e99af83e5fff9c3bad553bb2; classtype:trojan-activity; sid:2018418; rev:6; metadata:attack_target Client_Endpoint, created_at 2014_04_25, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_09_10;)