alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Centrastage RMM Server Response M1"; flow:established,to_client; http.header; content:"Server|3a 20|Centrastage|20|Server|20 28|"; nocase; fast_pattern; content:"|0d 0a|DeviceId|3a 20|"; nocase; content:"|0d 0a|MessageId|3a 20|"; nocase; reference:url,rmm.datto.com/help/en/Content/1INTRODUCTION/Infrastructure/Platforms.htm; classtype:misc-activity; sid:2053832; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, affected_product Linux, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_06_24, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, updated_at 2024_06_24;)