alert tcp $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET MALWARE Self Signed SSL Certificate (Reaserch)"; flow:established,from_server; content:"|16 03|"; content:"|0b|"; within:7; content:"Security Reaserch WWEB Group|2c| LLC"; classtype:trojan-activity; sid:2014871; rev:2; metadata:attack_target Client_Endpoint, created_at 2012_06_08, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2019_07_26;)