Sysmon AMA
Query
//Computers using the AMA sending Sysmon data to Sentinel
SecurityEvent
| join Heartbeat on Computer
| where TimeGenerated >= ago(1h)
| where Category == "Azure Monitor Agent"
| where EventSourceName == "Microsoft-Windows-Sysmon"
| distinct Computer, Category, EventSourceNameExplanation
This query retrieves computers that are using the Azure Monitor Agent (AMA) and sending Sysmon data to Sentinel. It filters the results to include only events generated within the last hour and displays the distinct computers, category, and event source name.
Details

Rod Trent
Released: August 18, 2022
Tables
SecurityEventHeartbeat
Keywords
SecurityEventHeartbeatComputerTimeGeneratedCategoryAzure Monitor AgentEventSourceNameMicrosoft-Windows-Sysmon
Operators
joinwhereagodistinct