UserName  : admin_le
LoginTime : 17.02.2015 15:36:04

UserName  : admin_le
LoginTime : 17.02.2015 15:36:04

UserName  : admin_le
LoginTime : 17.02.2015 15:36:04

UserName  : admin_le
LoginTime : 17.02.2015 15:36:00

UserName  : admin_le
LoginTime : 17.02.2015 15:36:00

UserName  : admin_le
LoginTime : 17.02.2015 15:36:00

UserName  : admin_le
LoginTime : 17.02.2015 15:36:00

$Date = [DateTime]::Now.AddDays(-14)
$Date.tostring("MM-dd-yyyy"), $env:Computername
$eventList = @()
Get-EventLog "Security" -After $Date `
| Where -FilterScript {$_.EventID -eq 4624 -and $_.ReplacementStrings[4].Length -gt 10 -and $_.ReplacementStrings[5] -notlike "*$"} `
| foreach-Object {
    $row = "" | Select UserName, LoginTime
    $row.UserName = $_.ReplacementStrings[5]
    $row.LoginTime = $_.TimeGenerated
    $eventList += $row
    }
$eventList > c:export.log