alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED BlackEnergy Possible SSL Cert Sept 26 2014"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00 88 91 e8 ca 54 bb 7d 10|"; within:35; fast_pattern; content:"|55 04 03|"; distance:0; content:"|0b|5.79.80.166"; distance:1; within:12; reference:md5,1821351d67a3dce1045be09e88461fe9; classtype:trojan-activity; sid:2019282; rev:3; metadata:attack_target Client_Endpoint, created_at 2014_09_26, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_09_10;)