alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Dridex/Bugat/Feodo Cookie"; flow:established,to_client; http.cookie; content:"tfardci_session="; startswith; reference:md5,2ddb6cb347eb7939545a1801c72f1f3f; classtype:trojan-activity; sid:2018770; rev:6; metadata:created_at 2014_07_24, signature_severity Major, updated_at 2024_04_12;)