alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (HTTP-Test-Program)"; flow:to_server,established; http.user_agent; content:"HTTP-Test-Program"; bsize:17; startswith; reference:md5,6e69e15ae55aee85ace66bb99e6ba885; classtype:bad-unknown; sid:2035452; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_03_14, deployment Perimeter, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_14, reviewed_at 2024_12_02;)