EventID 24: Session has been disconnected

This event, logged to the Microsoft-Windows-TerminalServices-LocalSessionManager/Operational channel, is logged when an RDP connection is terminated.

This event is logged on the destination endpoint.

Analysis Value

UsernameEvidence of Network ActivitySource Identification

Operating System Availability

Major Version	Support	Major Version	Support

Artifact Location(s)

• %SystemRoot%\System32\Winevt\Logs\Microsoft-Windows-TerminalServices-LocalSessionManager%4Operational.evtx

Artifact Interpretation

Field	Interpretation	Reference

Analysis Tips

Correlation by ActivityID

This event logs an ActivityID, available in the XML path System/Correlation ActivityID. This may be used to correlate activity between other events logged that are related to this activity, such as:

EventID 1149: User Authentication Succeeded

RDP Activity Timeline

Together with EventID 21: Session logon succeeded, by correlating the SessionID field of both events, one can determine the start and end time of an RDP session.

Example

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Microsoft-Windows-TerminalServices-LocalSessionManager" Guid="{5d896912-022d-40aa-a3a8-4fa5515c76d7}" /> 
  <EventID>24</EventID> 
  <Version>0</Version> 
  <Level>4</Level> 
  <Task>0</Task> 
  <Opcode>0</Opcode> 
  <Keywords>0x1000000000000000</Keywords> 
  <TimeCreated SystemTime="2023-07-12T12:46:43.1684648Z" /> 
  <EventRecordID>1544</EventRecordID> 
  <Correlation ActivityID="{f4207ac4-a73b-4efa-b345-178e7e530000}" /> 
  <Execution ProcessID="1440" ThreadID="7996" /> 
  <Channel>Microsoft-Windows-TerminalServices-LocalSessionManager/Operational</Channel> 
  <Computer>HLPC01</Computer> 
  <Security UserID="S-1-5-18" /> 
  </System>
- <UserData>
- <EventXML xmlns="Event_NS">
  <User>HLPC01\john.doe</User> 
  <SessionID>4</SessionID> 
  <Address>192.168.180.57</Address> 
  </EventXML>
  </UserData>
  </Event>

This example was produced on Windows 10, Version 10.0.19044 Build 19044</