alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Dridex SSL Cert July 6 2015"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00 e4 0e 34 be 9a f3 1e d7|"; within:35; fast_pattern; content:"|55 04 03|"; distance:0; content:"|07|pace.eu"; distance:1; within:8; reference:md5,0facc32fc6f9c67650575c8a8298bef2; classtype:trojan-activity; sid:2021380; rev:2; metadata:attack_target Client_Endpoint, created_at 2015_07_06, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_07_26;)