alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET INFO PDQ Remote Management Agent Checkin"; flow:established,to_server; content:"/connect-agent/"; http_uri; depth:15; content:"User-Agent|3a 20|PDQ|20|rover"; fast_pattern; http_header; classtype:misc-activity; sid:2054938; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_08_05, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, updated_at 2026_01_20;)