Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Observed Suspicious UA (system_file/2.0)"; flow:established,to_server; content:"system_file/2.0"; http.user_agent; bsize:15; classtype:bad-unknown; sid:2028983; rev:1; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2019_11_15, deployment Perimeter, confidence High, signature_severity Informational, updated_at 2019_11_15;)