alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Non-standard User-Agent (PATCHER)"; flow:established,to_server; http.user_agent; bsize:7; content:"PATCHER"; classtype:policy-violation; sid:2032938; rev:2; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2021_05_11, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_12;)