The system creates a security event log 540. You can modify the followng
script to read the security event logs
strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
Set colLoggedEvents = objWMIService.ExecQuery _
("Select * from Win32_NTLogEvent Where Logfile = 'Security' and " _
& "EventCode = '540'")
For Each objEvent in colLoggedEvents
strTimeWritten = objEvent.TimeWritten
dtmTimeWritten = CDate(Mid(strTimeWritten, 5, 2) & "/" & _
Mid(strTimeWritten, 7, 2) & "/" & Left(strTimeWritten, 4) _
& " " & Mid (strTimeWritten, 9, 2) & ":" & _
Mid(strTimeWritten, 11, 2) & ":" & Mid(strTimeWritten, 13,
2))
dtmDate = FormatDateTime(dtmTimeWritten, vbShortDate)
dtmTime = FormatDateTime(dtmTimeWritten, vbLongTime)
Wscript.Echo "Username: " & objEvent.User
WScript.Echo "Date: " & dtmDate
WScript.Echo "Time: " & dtmTime
Next