DC-LogonEvents

DC_Logons.ps1

# Find DC list from Active Directory
$DCs = Get-ADDomainController -Filter *

# Define time for report (default is 1 day)
$startDate = (get-date).AddDays(-1)

# Store successful logon events from security logs with the specified dates and workstation/IP in an array
foreach ($DC in $DCs){
$slogonevents = Get-Eventlog -LogName Security -ComputerName $DC.Hostname -after $startDate | where {$_.eventID -eq 4624 }}

# Crawl through events; print all logon history with type, date/time, status, account name, computer and IP address if user logged on remotely

  foreach ($e in $slogonevents){
    # Logon Successful Events
    # Local (Logon Type 2)
    if (($e.EventID -eq 4624 ) -and ($e.ReplacementStrings[8] -eq 2)){
      write-host "Type: Local Logon`tDate: "$e.TimeGenerated "`tStatus: Success`tUser: "$e.ReplacementStrings[5] "`tWorkstation: "$e.ReplacementStrings[11]
    }
    # Remote (Logon Type 10)
    if (($e.EventID -eq 4624 ) -and ($e.ReplacementStrings[8] -eq 10)){
      write-host "Type: Remote Logon`tDate: "$e.TimeGenerated "`tStatus: Success`tUser: "$e.ReplacementStrings[5] "`tWorkstation: "$e.ReplacementStrings[11] "`tIP Address: "$e.ReplacementStrings[18]
    }}