alert tcp-pkt $EXTERNAL_NET [443,5665] -> $HOME_NET any (msg:"ET POLICY PTsecurity Remote Desktop AeroAdmin Server Hello"; flow:established,to_client; dsize:9; stream_size:client,=,1; stream_size:server,=,10; content:"|05 00 00 00 00 ff ff ff ff|"; depth:9; fast_pattern; reference:url,www.aeroadmin.com/en; reference:md5,fa6ad2e8eef98abc0bbb252ff994a38d; classtype:misc-activity; sid:2025008; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_11_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag RemoteAccessTool, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_09; target:dest_ip;)