alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO SyncroMSP Remote Remote Management Software Install Registration"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/device_api/auth/?shop_api_key="; startswith; fast_pattern; content:"&installer_version="; distance:0; classtype:misc-activity; sid:2042881; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_12_14, deployment Perimeter, deployment SSLDecrypt, malware_family SyncroMSP, performance_impact Low, confidence High, signature_severity Informational, tag RemoteAccessTool, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_14;)