alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Win32.Zbot.umpz SSL Cert Nov 4 2014"; flow:established,from_server; content:"|55 04 03|"; content:"|16|boogermanshoptools.net"; distance:1; within:33; reference:md5,c6796076a24f35119ebe441725ec9da7; classtype:trojan-activity; sid:2019639; rev:4; metadata:attack_target Client_Endpoint, created_at 2014_11_04, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_09_10;)