Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Possible Browlock Hostname Format US"; flow:established,to_server; content:"Host|3a 20|fbi.gov."; http_header; fast_pattern:only; classtype:trojan-activity; sid:2018006; rev:3; metadata:created_at 2014_01_23, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)