Get-winevent

$ID=@(5150..5159)
$list=@(5123,123)
Get-WinEvent -FilterHashtable @{logname='security'; id=4757}
Get-WinEvent -FilterHashtable @{logname='forwardedevents'; id=4757}
$all | where{$_.message -like ("*searchstring*")} | fl message


$test = Get-WinEvent -filterHashTable @{Logname='forwardedevents'; Data="searchstring"}
$test| where{@("4624","4634") -notcontains $_.id} | fl message



$table= Get-WinEvent -ComputerName localhost -FilterHashtable @{LogName='ForwardedEvents';id=4724}
$table | %{write-host $_.id $_.timecreated $_.properties[0].value $_.properties[4].value}


$Events = $fileserversecuritylogs
$events=get-winevent -path .\securitylog.evtx
ForEach ($Event in $Events) {            
    # Convert the event to XML            
    $eventXML = [xml]$Event.ToXml()            
    # Iterate through each one of the XML message properties            
    For ($i=0; $i -lt $eventXML.Event.EventData.Data.Count; $i++) {            
        # Append these as object properties            
        Add-Member -InputObject $Event -MemberType NoteProperty -Force -Name  $eventXML.Event.EventData.Data[$i].name -Value $eventXML.Event.EventData.Data[$i].'#text'            
    }            
}      

$Events | export-csv "exportsecurity.csv" -delimiter ";" # out-gridview


Get-WinEvent -FilterHashtable @{path="C:\Users\lennert\Desktop\New folder\securitylog.evtx";Id=4624}

http://technet.microsoft.com/en-us/library/hh849682.aspx

http://blogs.technet.com/b/ashleymcglone/archive/2013/08/28/powershell-get-winevent-xml-madness-getting-details-from-event-logs.aspx