alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Win32/Troldesh.A SSL Cert"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|00 bf 81 b3 c2 61 36 e4 9d|"; fast_pattern; content:"|55 04 03|"; content:"|16|www.jyxc3nn7eu2iqd.net"; distance:1; within:23; reference:md5,3358793e79042faa2298856373e644dc; classtype:trojan-activity; sid:2021098; rev:2; metadata:attack_target Client_Endpoint, created_at 2015_05_15, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_07_26;)