KQL Search

//Visualize the different RDP clients, such as rMemoteNG or RoyalTS being used in your environment

//Data connector required for this query - M365 Defender - Device* tables

//Microsoft Sentinel query
DeviceNetworkEvents
| where TimeGenerated > ago(7d)
| where ActionType == "ConnectionSuccess"
| where RemotePort == "3389"
//Exclude Defender for Identity which uses RDP traffic to map your network
| where InitiatingProcessFileName != "Microsoft.Tri.Sensor.exe"
| summarize ['RDP Client Count']=count()by InitiatingProcessFileName
| where isnotempty(InitiatingProcessFileName)
| sort by ['RDP Client Count'] desc
| render barchart 

//Advanced Hunting query

//Data connector required for this query - Advanced Hunting license

DeviceNetworkEvents
| where Timestamp > ago(7d)
| where ActionType == "ConnectionSuccess"
| where RemotePort == "3389"
//Exclude Defender for Identity which uses RDP traffic to map your network
| where InitiatingProcessFileName != "Microsoft.Tri.Sensor.exe"
| summarize ['RDP Client Count']=count()by InitiatingProcessFileName
| where isnotempty(InitiatingProcessFileName)
| sort by ['RDP Client Count'] desc
| render barchart