Separating out functions & bug fix
All info gathering pieces of this script can now be called individually. Fixed a bug where the user SID wasn't being converted to a username in the RDP function.
This commit is contained in:
clymb3r
parent
308042f493
commit
77bcb336e0
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@ -9,7 +9,7 @@ Function: Get-ComputerDetails
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Author: Joe Bialek, Twitter: @JosephBialek
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Required Dependencies: None
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Optional Dependencies: None
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Version: 1.0
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Version: 1.1
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.DESCRIPTION
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@ -51,360 +51,11 @@ Github repo: https://github.com/clymb3r/PowerShell
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Set-StrictMode -Version 2
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#Retrieve the 4648 logon event. This will often find cases where a user is using remote desktop to connect to another computer. It will give the
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#the account that RDP was launched with and the account name of the account being used to connect to the remote computer. This is useful
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#for identifying normal authenticaiton patterns. Other actions that will trigger this include any runas action.
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function Find-ExplicitLogons
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{
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Param(
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$SecurityLog
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)
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$ExplicitLogons = $SecurityLog | Where {$_.InstanceID -eq 4648}
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$ReturnInfo = @{}
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foreach ($ExplicitLogon in $ExplicitLogons)
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{
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$Subject = $false
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$AccountWhosCredsUsed = $false
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$TargetServer = $false
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$SourceAccountName = ""
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$SourceAccountDomain = ""
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$TargetAccountName = ""
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$TargetAccountDomain = ""
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$TargetServer = ""
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foreach ($line in $ExplicitLogon.Message -split "\r\n")
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{
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if ($line -cmatch "^Subject:$")
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{
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$Subject = $true
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}
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elseif ($line -cmatch "^Account\sWhose\sCredentials\sWere\sUsed:$")
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{
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$Subject = $false
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$AccountWhosCredsUsed = $true
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}
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elseif ($line -cmatch "^Target\sServer:")
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{
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$AccountWhosCredsUsed = $false
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$TargetServer = $true
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}
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elseif ($Subject -eq $true)
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{
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if ($line -cmatch "\s+Account\sName:\s+(\S.*)")
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{
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$SourceAccountName = $Matches[1]
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}
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elseif ($line -cmatch "\s+Account\sDomain:\s+(\S.*)")
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{
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$SourceAccountDomain = $Matches[1]
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}
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}
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elseif ($AccountWhosCredsUsed -eq $true)
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{
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if ($line -cmatch "\s+Account\sName:\s+(\S.*)")
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{
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$TargetAccountName = $Matches[1]
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}
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elseif ($line -cmatch "\s+Account\sDomain:\s+(\S.*)")
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{
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$TargetAccountDomain = $Matches[1]
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}
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}
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elseif ($TargetServer -eq $true)
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{
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if ($line -cmatch "\s+Target\sServer\sName:\s+(\S.*)")
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{
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$TargetServer = $Matches[1]
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}
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}
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}
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#Filter out logins that don't matter
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if (-not ($TargetAccountName -cmatch "^DWM-.*" -and $TargetAccountDomain -cmatch "^Window\sManager$"))
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{
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$Key = $SourceAccountName + $SourceAccountDomain + $TargetAccountName + $TargetAccountDomain + $TargetServer
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if (-not $ReturnInfo.ContainsKey($Key))
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{
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$Properties = @{
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LogType = 4648
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LogSource = "Security"
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SourceAccountName = $SourceAccountName
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SourceDomainName = $SourceAccountDomain
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TargetAccountName = $TargetAccountName
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TargetDomainName = $TargetAccountDomain
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TargetServer = $TargetServer
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Count = 1
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Times = @($ExplicitLogon.TimeGenerated)
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}
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$ResultObj = New-Object PSObject -Property $Properties
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$ReturnInfo.Add($Key, $ResultObj)
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}
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else
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{
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$ReturnInfo[$Key].Count++
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$ReturnInfo[$Key].Times += ,$ExplicitLogon.TimeGenerated
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}
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}
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}
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return $ReturnInfo
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}
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#Find all Logon events to the server. This will tell you who is logging in and how. You can use this to figure out what accounts do
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# network logons in to the server, what accounts RDP in, what accounts log in locally, etc...
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# This is event 4624.
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function Find-AllLogons
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{
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Param (
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$SecurityLog
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)
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$Logons = $SecurityLog | Where {$_.InstanceID -eq 4624}
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$ReturnInfo = @{}
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foreach ($Logon in $Logons)
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{
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$SubjectSection = $false
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$NewLogonSection = $false
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$NetworkInformationSection = $false
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$AccountName = ""
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$AccountDomain = ""
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$LogonType = ""
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$NewLogonAccountName = ""
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$NewLogonAccountDomain = ""
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$WorkstationName = ""
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$SourceNetworkAddress = ""
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$SourcePort = ""
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foreach ($line in $Logon.Message -Split "\r\n")
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{
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if ($line -cmatch "^Subject:$")
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{
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$SubjectSection = $true
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}
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elseif ($line -cmatch "^Logon\sType:\s+(\S.*)")
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{
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$LogonType = $Matches[1]
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}
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elseif ($line -cmatch "^New\sLogon:$")
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{
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$SubjectSection = $false
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$NewLogonSection = $true
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}
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elseif ($line -cmatch "^Network\sInformation:$")
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{
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$NewLogonSection = $false
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$NetworkInformationSection = $true
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}
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elseif ($SubjectSection)
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{
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if ($line -cmatch "^\s+Account\sName:\s+(\S.*)")
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{
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$AccountName = $Matches[1]
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}
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elseif ($line -cmatch "^\s+Account\sDomain:\s+(\S.*)")
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{
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$AccountDomain = $Matches[1]
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}
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}
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elseif ($NewLogonSection)
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{
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if ($line -cmatch "^\s+Account\sName:\s+(\S.*)")
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{
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$NewLogonAccountName = $Matches[1]
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}
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elseif ($line -cmatch "^\s+Account\sDomain:\s+(\S.*)")
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{
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$NewLogonAccountDomain = $Matches[1]
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}
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}
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elseif ($NetworkInformationSection)
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{
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if ($line -cmatch "^\s+Workstation\sName:\s+(\S.*)")
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{
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$WorkstationName = $Matches[1]
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}
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elseif ($line -cmatch "^\s+Source\sNetwork\sAddress:\s+(\S.*)")
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{
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$SourceNetworkAddress = $Matches[1]
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}
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elseif ($line -cmatch "^\s+Source\sPort:\s+(\S.*)")
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{
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$SourcePort = $Matches[1]
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}
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}
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}
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#Filter out logins that don't matter
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if (-not ($NewLogonAccountDomain -cmatch "NT\sAUTHORITY" -or $NewLogonAccountDomain -cmatch "Window\sManager"))
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{
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$Key = $AccountName + $AccountDomain + $NewLogonAccountName + $NewLogonAccountDomain + $LogonType + $WorkstationName + $SourceNetworkAddress + $SourcePort
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if (-not $ReturnInfo.ContainsKey($Key))
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{
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$Properties = @{
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LogType = 4624
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LogSource = "Security"
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SourceAccountName = $AccountName
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SourceDomainName = $AccountDomain
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NewLogonAccountName = $NewLogonAccountName
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NewLogonAccountDomain = $NewLogonAccountDomain
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LogonType = $LogonType
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WorkstationName = $WorkstationName
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SourceNetworkAddress = $SourceNetworkAddress
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SourcePort = $SourcePort
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Count = 1
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Times = @($Logon.TimeGenerated)
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}
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$ResultObj = New-Object PSObject -Property $Properties
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$ReturnInfo.Add($Key, $ResultObj)
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}
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else
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{
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$ReturnInfo[$Key].Count++
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$ReturnInfo[$Key].Times += ,$Logon.TimeGenerated
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}
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}
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}
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return $ReturnInfo
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}
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#Look through the AppLocker logs to find processes that get run on the server. You can then backdoor these exe's (or figure out what they normally run).
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function Find-AppLockerLogs
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{
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$ReturnInfo = @{}
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$AppLockerLogs = Get-WinEvent -LogName "Microsoft-Windows-AppLocker/EXE and DLL" -ErrorAction SilentlyContinue | Where {$_.Id -eq 8002}
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foreach ($Log in $AppLockerLogs)
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{
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$SID = New-Object System.Security.Principal.SecurityIdentifier($Log.Properties[7].Value)
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$UserName = $SID.Translate( [System.Security.Principal.NTAccount])
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$ExeName = $Log.Properties[10].Value
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$Key = $UserName.ToString() + "::::" + $ExeName
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if (!$ReturnInfo.ContainsKey($Key))
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{
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$Properties = @{
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Exe = $ExeName
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User = $UserName.Value
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Count = 1
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Times = @($Log.TimeCreated)
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}
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$Item = New-Object PSObject -Property $Properties
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$ReturnInfo.Add($Key, $Item)
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}
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else
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{
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$ReturnInfo[$Key].Count++
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$ReturnInfo[$Key].Times += ,$Log.TimeCreated
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}
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}
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return $ReturnInfo
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}
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#Go through the PowerShell operational log to find scripts that run (by looking for ExecutionPipeline logs eventID 4100 in PowerShell app log).
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#You can then backdoor these scripts or do other malicious things.
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Function Find-PSScriptsInPSAppLog
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{
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$ReturnInfo = @{}
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$Logs = Get-WinEvent -LogName "Microsoft-Windows-PowerShell/Operational" -ErrorAction SilentlyContinue | Where {$_.Id -eq 4100}
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foreach ($Log in $Logs)
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{
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$ContainsScriptName = $false
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$LogDetails = $Log.Message -split "`r`n"
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$FoundScriptName = $false
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foreach($Line in $LogDetails)
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{
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if ($Line -imatch "^\s*Script\sName\s=\s(.+)")
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{
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$ScriptName = $Matches[1]
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$FoundScriptName = $true
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}
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elseif ($Line -imatch "^\s*User\s=\s(.*)")
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{
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$User = $Matches[1]
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}
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}
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if ($FoundScriptName)
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{
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$Key = $ScriptName + "::::" + $User
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if (!$ReturnInfo.ContainsKey($Key))
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{
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$Properties = @{
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ScriptName = $ScriptName
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UserName = $User
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Count = 1
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Times = @($Log.TimeCreated)
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}
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$Item = New-Object PSObject -Property $Properties
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$ReturnInfo.Add($Key, $Item)
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}
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else
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{
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$ReturnInfo[$Key].Count++
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$ReturnInfo[$Key].Times += ,$Log.TimeCreated
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}
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}
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}
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return $ReturnInfo
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}
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#Search the registry to find saved RDP client connections. This shows you what connections an RDP client has remembered, indicating what servers the user
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#usually RDP's to.
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Function Find-RDPClientConnections
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{
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$ReturnInfo = @{}
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New-PSDrive -Name HKU -PSProvider Registry -Root Registry::HKEY_USERS | Out-Null
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#Attempt to enumerate the servers for all users
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$Users = Get-ChildItem -Path "HKU:\"
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foreach ($User in $Users.PSChildName)
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{
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$Servers = Get-ChildItem "HKU:\$($User)\Software\Microsoft\Terminal Server Client\Servers" -ErrorAction SilentlyContinue
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foreach ($Server in $Servers)
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{
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$Server = $Server.PSChildName
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$UsernameHint = (Get-ItemProperty -Path "HKU:\$($User)\Software\Microsoft\Terminal Server Client\Servers\$($Server)").UsernameHint
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$Key = $User + "::::" + $Server + "::::" + $UsernameHint
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if (!$ReturnInfo.ContainsKey($Key))
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{
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$Properties = @{
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CurrentUser = $User
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Server = $Server
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UsernameHint = $UsernameHint
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}
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$Item = New-Object PSObject -Property $Properties
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$ReturnInfo.Add($Key, $Item)
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}
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}
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}
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return $ReturnInfo
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}
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$SecurityLog = Get-EventLog -LogName Security
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$Filtered4624 = Find-AllLogons $SecurityLog
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$Filtered4648 = Find-ExplicitLogons $SecurityLog
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$Filtered4624 = Find-4624Logons $SecurityLog
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$Filtered4648 = Find-4648Logons $SecurityLog
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$AppLockerLogs = Find-AppLockerLogs
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$PSLogs = Find-PSScriptsInPSAppLog
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$RdpClientData = Find-RDPClientConnections
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@ -436,3 +87,495 @@ Github repo: https://github.com/clymb3r/PowerShell
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return $ReturnObj
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}
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}
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function Find-4648Logons
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{
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<#
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.SYNOPSIS
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Retrieve the unique 4648 logon events. This will often find cases where a user is using remote desktop to connect to another computer. It will give the
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the account that RDP was launched with and the account name of the account being used to connect to the remote computer. This is useful
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for identifying normal authenticaiton patterns. Other actions that will trigger this include any runas action.
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Function: Find-4648Logons
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Author: Joe Bialek, Twitter: @JosephBialek
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Required Dependencies: None
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Optional Dependencies: None
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Version: 1.1
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.DESCRIPTION
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|
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Retrieve the unique 4648 logon events. This will often find cases where a user is using remote desktop to connect to another computer. It will give the
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the account that RDP was launched with and the account name of the account being used to connect to the remote computer. This is useful
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for identifying normal authenticaiton patterns. Other actions that will trigger this include any runas action.
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.EXAMPLE
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Find-4648Logons
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Gets the unique 4648 logon events.
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.NOTES
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.LINK
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Blog: http://clymb3r.wordpress.com/
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Github repo: https://github.com/clymb3r/PowerShell
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#>
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Param(
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$SecurityLog
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)
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$ExplicitLogons = $SecurityLog | Where {$_.InstanceID -eq 4648}
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$ReturnInfo = @{}
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foreach ($ExplicitLogon in $ExplicitLogons)
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{
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$Subject = $false
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$AccountWhosCredsUsed = $false
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$TargetServer = $false
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$SourceAccountName = ""
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$SourceAccountDomain = ""
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$TargetAccountName = ""
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$TargetAccountDomain = ""
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$TargetServer = ""
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foreach ($line in $ExplicitLogon.Message -split "\r\n")
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{
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if ($line -cmatch "^Subject:$")
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{
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$Subject = $true
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}
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elseif ($line -cmatch "^Account\sWhose\sCredentials\sWere\sUsed:$")
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{
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$Subject = $false
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$AccountWhosCredsUsed = $true
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}
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elseif ($line -cmatch "^Target\sServer:")
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{
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$AccountWhosCredsUsed = $false
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$TargetServer = $true
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}
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elseif ($Subject -eq $true)
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{
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if ($line -cmatch "\s+Account\sName:\s+(\S.*)")
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{
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$SourceAccountName = $Matches[1]
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}
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elseif ($line -cmatch "\s+Account\sDomain:\s+(\S.*)")
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{
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$SourceAccountDomain = $Matches[1]
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}
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}
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elseif ($AccountWhosCredsUsed -eq $true)
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{
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if ($line -cmatch "\s+Account\sName:\s+(\S.*)")
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{
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$TargetAccountName = $Matches[1]
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}
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elseif ($line -cmatch "\s+Account\sDomain:\s+(\S.*)")
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{
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$TargetAccountDomain = $Matches[1]
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}
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}
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elseif ($TargetServer -eq $true)
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{
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if ($line -cmatch "\s+Target\sServer\sName:\s+(\S.*)")
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{
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$TargetServer = $Matches[1]
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}
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}
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}
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#Filter out logins that don't matter
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if (-not ($TargetAccountName -cmatch "^DWM-.*" -and $TargetAccountDomain -cmatch "^Window\sManager$"))
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{
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$Key = $SourceAccountName + $SourceAccountDomain + $TargetAccountName + $TargetAccountDomain + $TargetServer
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if (-not $ReturnInfo.ContainsKey($Key))
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{
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$Properties = @{
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LogType = 4648
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LogSource = "Security"
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SourceAccountName = $SourceAccountName
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SourceDomainName = $SourceAccountDomain
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TargetAccountName = $TargetAccountName
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TargetDomainName = $TargetAccountDomain
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TargetServer = $TargetServer
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Count = 1
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Times = @($ExplicitLogon.TimeGenerated)
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}
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$ResultObj = New-Object PSObject -Property $Properties
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$ReturnInfo.Add($Key, $ResultObj)
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}
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else
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{
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$ReturnInfo[$Key].Count++
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$ReturnInfo[$Key].Times += ,$ExplicitLogon.TimeGenerated
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}
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}
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}
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return $ReturnInfo
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}
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<#
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.SYNOPSIS
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||||
|
||||
Find all unique 4624 Logon events to the server. This will tell you who is logging in and how. You can use this to figure out what accounts do
|
||||
network logons in to the server, what accounts RDP in, what accounts log in locally, etc...
|
||||
|
||||
Function: Find-4624Logons
|
||||
Author: Joe Bialek, Twitter: @JosephBialek
|
||||
Required Dependencies: None
|
||||
Optional Dependencies: None
|
||||
Version: 1.1
|
||||
|
||||
.DESCRIPTION
|
||||
|
||||
Find all unique 4624 Logon events to the server. This will tell you who is logging in and how. You can use this to figure out what accounts do
|
||||
network logons in to the server, what accounts RDP in, what accounts log in locally, etc...
|
||||
|
||||
.EXAMPLE
|
||||
|
||||
Find-4624Logons
|
||||
Find unique 4624 logon events.
|
||||
|
||||
.NOTES
|
||||
|
||||
.LINK
|
||||
|
||||
Blog: http://clymb3r.wordpress.com/
|
||||
Github repo: https://github.com/clymb3r/PowerShell
|
||||
#>
|
||||
function Find-4624Logons
|
||||
{
|
||||
Param (
|
||||
$SecurityLog
|
||||
)
|
||||
|
||||
$Logons = $SecurityLog | Where {$_.InstanceID -eq 4624}
|
||||
$ReturnInfo = @{}
|
||||
|
||||
foreach ($Logon in $Logons)
|
||||
{
|
||||
$SubjectSection = $false
|
||||
$NewLogonSection = $false
|
||||
$NetworkInformationSection = $false
|
||||
$AccountName = ""
|
||||
$AccountDomain = ""
|
||||
$LogonType = ""
|
||||
$NewLogonAccountName = ""
|
||||
$NewLogonAccountDomain = ""
|
||||
$WorkstationName = ""
|
||||
$SourceNetworkAddress = ""
|
||||
$SourcePort = ""
|
||||
|
||||
foreach ($line in $Logon.Message -Split "\r\n")
|
||||
{
|
||||
if ($line -cmatch "^Subject:$")
|
||||
{
|
||||
$SubjectSection = $true
|
||||
}
|
||||
elseif ($line -cmatch "^Logon\sType:\s+(\S.*)")
|
||||
{
|
||||
$LogonType = $Matches[1]
|
||||
}
|
||||
elseif ($line -cmatch "^New\sLogon:$")
|
||||
{
|
||||
$SubjectSection = $false
|
||||
$NewLogonSection = $true
|
||||
}
|
||||
elseif ($line -cmatch "^Network\sInformation:$")
|
||||
{
|
||||
$NewLogonSection = $false
|
||||
$NetworkInformationSection = $true
|
||||
}
|
||||
elseif ($SubjectSection)
|
||||
{
|
||||
if ($line -cmatch "^\s+Account\sName:\s+(\S.*)")
|
||||
{
|
||||
$AccountName = $Matches[1]
|
||||
}
|
||||
elseif ($line -cmatch "^\s+Account\sDomain:\s+(\S.*)")
|
||||
{
|
||||
$AccountDomain = $Matches[1]
|
||||
}
|
||||
}
|
||||
elseif ($NewLogonSection)
|
||||
{
|
||||
if ($line -cmatch "^\s+Account\sName:\s+(\S.*)")
|
||||
{
|
||||
$NewLogonAccountName = $Matches[1]
|
||||
}
|
||||
elseif ($line -cmatch "^\s+Account\sDomain:\s+(\S.*)")
|
||||
{
|
||||
$NewLogonAccountDomain = $Matches[1]
|
||||
}
|
||||
}
|
||||
elseif ($NetworkInformationSection)
|
||||
{
|
||||
if ($line -cmatch "^\s+Workstation\sName:\s+(\S.*)")
|
||||
{
|
||||
$WorkstationName = $Matches[1]
|
||||
}
|
||||
elseif ($line -cmatch "^\s+Source\sNetwork\sAddress:\s+(\S.*)")
|
||||
{
|
||||
$SourceNetworkAddress = $Matches[1]
|
||||
}
|
||||
elseif ($line -cmatch "^\s+Source\sPort:\s+(\S.*)")
|
||||
{
|
||||
$SourcePort = $Matches[1]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#Filter out logins that don't matter
|
||||
if (-not ($NewLogonAccountDomain -cmatch "NT\sAUTHORITY" -or $NewLogonAccountDomain -cmatch "Window\sManager"))
|
||||
{
|
||||
$Key = $AccountName + $AccountDomain + $NewLogonAccountName + $NewLogonAccountDomain + $LogonType + $WorkstationName + $SourceNetworkAddress + $SourcePort
|
||||
if (-not $ReturnInfo.ContainsKey($Key))
|
||||
{
|
||||
$Properties = @{
|
||||
LogType = 4624
|
||||
LogSource = "Security"
|
||||
SourceAccountName = $AccountName
|
||||
SourceDomainName = $AccountDomain
|
||||
NewLogonAccountName = $NewLogonAccountName
|
||||
NewLogonAccountDomain = $NewLogonAccountDomain
|
||||
LogonType = $LogonType
|
||||
WorkstationName = $WorkstationName
|
||||
SourceNetworkAddress = $SourceNetworkAddress
|
||||
SourcePort = $SourcePort
|
||||
Count = 1
|
||||
Times = @($Logon.TimeGenerated)
|
||||
}
|
||||
|
||||
$ResultObj = New-Object PSObject -Property $Properties
|
||||
$ReturnInfo.Add($Key, $ResultObj)
|
||||
}
|
||||
else
|
||||
{
|
||||
$ReturnInfo[$Key].Count++
|
||||
$ReturnInfo[$Key].Times += ,$Logon.TimeGenerated
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $ReturnInfo
|
||||
}
|
||||
|
||||
|
||||
function Find-AppLockerLogs
|
||||
{
|
||||
<#
|
||||
.SYNOPSIS
|
||||
|
||||
Look through the AppLocker logs to find processes that get run on the server. You can then backdoor these exe's (or figure out what they normally run).
|
||||
|
||||
Function: Find-AppLockerLogs
|
||||
Author: Joe Bialek, Twitter: @JosephBialek
|
||||
Required Dependencies: None
|
||||
Optional Dependencies: None
|
||||
Version: 1.1
|
||||
|
||||
.DESCRIPTION
|
||||
|
||||
Look through the AppLocker logs to find processes that get run on the server. You can then backdoor these exe's (or figure out what they normally run).
|
||||
|
||||
.EXAMPLE
|
||||
|
||||
Find-AppLockerLogs
|
||||
Find process creations from AppLocker logs.
|
||||
|
||||
.NOTES
|
||||
|
||||
.LINK
|
||||
|
||||
Blog: http://clymb3r.wordpress.com/
|
||||
Github repo: https://github.com/clymb3r/PowerShell
|
||||
#>
|
||||
$ReturnInfo = @{}
|
||||
|
||||
$AppLockerLogs = Get-WinEvent -LogName "Microsoft-Windows-AppLocker/EXE and DLL" -ErrorAction SilentlyContinue | Where {$_.Id -eq 8002}
|
||||
|
||||
foreach ($Log in $AppLockerLogs)
|
||||
{
|
||||
$SID = New-Object System.Security.Principal.SecurityIdentifier($Log.Properties[7].Value)
|
||||
$UserName = $SID.Translate( [System.Security.Principal.NTAccount])
|
||||
|
||||
$ExeName = $Log.Properties[10].Value
|
||||
|
||||
$Key = $UserName.ToString() + "::::" + $ExeName
|
||||
|
||||
if (!$ReturnInfo.ContainsKey($Key))
|
||||
{
|
||||
$Properties = @{
|
||||
Exe = $ExeName
|
||||
User = $UserName.Value
|
||||
Count = 1
|
||||
Times = @($Log.TimeCreated)
|
||||
}
|
||||
|
||||
$Item = New-Object PSObject -Property $Properties
|
||||
$ReturnInfo.Add($Key, $Item)
|
||||
}
|
||||
else
|
||||
{
|
||||
$ReturnInfo[$Key].Count++
|
||||
$ReturnInfo[$Key].Times += ,$Log.TimeCreated
|
||||
}
|
||||
}
|
||||
|
||||
return $ReturnInfo
|
||||
}
|
||||
|
||||
|
||||
Function Find-PSScriptsInPSAppLog
|
||||
{
|
||||
<#
|
||||
.SYNOPSIS
|
||||
|
||||
Go through the PowerShell operational log to find scripts that run (by looking for ExecutionPipeline logs eventID 4100 in PowerShell app log).
|
||||
You can then backdoor these scripts or do other malicious things.
|
||||
|
||||
Function: Find-AppLockerLogs
|
||||
Author: Joe Bialek, Twitter: @JosephBialek
|
||||
Required Dependencies: None
|
||||
Optional Dependencies: None
|
||||
Version: 1.1
|
||||
|
||||
.DESCRIPTION
|
||||
|
||||
Go through the PowerShell operational log to find scripts that run (by looking for ExecutionPipeline logs eventID 4100 in PowerShell app log).
|
||||
You can then backdoor these scripts or do other malicious things.
|
||||
|
||||
.EXAMPLE
|
||||
|
||||
Find-PSScriptsInPSAppLog
|
||||
Find unique PowerShell scripts being executed from the PowerShell operational log.
|
||||
|
||||
.NOTES
|
||||
|
||||
.LINK
|
||||
|
||||
Blog: http://clymb3r.wordpress.com/
|
||||
Github repo: https://github.com/clymb3r/PowerShell
|
||||
#>
|
||||
$ReturnInfo = @{}
|
||||
$Logs = Get-WinEvent -LogName "Microsoft-Windows-PowerShell/Operational" -ErrorAction SilentlyContinue | Where {$_.Id -eq 4100}
|
||||
|
||||
foreach ($Log in $Logs)
|
||||
{
|
||||
$ContainsScriptName = $false
|
||||
$LogDetails = $Log.Message -split "`r`n"
|
||||
|
||||
$FoundScriptName = $false
|
||||
foreach($Line in $LogDetails)
|
||||
{
|
||||
if ($Line -imatch "^\s*Script\sName\s=\s(.+)")
|
||||
{
|
||||
$ScriptName = $Matches[1]
|
||||
$FoundScriptName = $true
|
||||
}
|
||||
elseif ($Line -imatch "^\s*User\s=\s(.*)")
|
||||
{
|
||||
$User = $Matches[1]
|
||||
}
|
||||
}
|
||||
|
||||
if ($FoundScriptName)
|
||||
{
|
||||
$Key = $ScriptName + "::::" + $User
|
||||
|
||||
if (!$ReturnInfo.ContainsKey($Key))
|
||||
{
|
||||
$Properties = @{
|
||||
ScriptName = $ScriptName
|
||||
UserName = $User
|
||||
Count = 1
|
||||
Times = @($Log.TimeCreated)
|
||||
}
|
||||
|
||||
$Item = New-Object PSObject -Property $Properties
|
||||
$ReturnInfo.Add($Key, $Item)
|
||||
}
|
||||
else
|
||||
{
|
||||
$ReturnInfo[$Key].Count++
|
||||
$ReturnInfo[$Key].Times += ,$Log.TimeCreated
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $ReturnInfo
|
||||
}
|
||||
|
||||
|
||||
Function Find-RDPClientConnections
|
||||
{
|
||||
<#
|
||||
.SYNOPSIS
|
||||
|
||||
Search the registry to find saved RDP client connections. This shows you what connections an RDP client has remembered, indicating what servers the user
|
||||
usually RDP's to.
|
||||
|
||||
Function: Find-RDPClientConnections
|
||||
Author: Joe Bialek, Twitter: @JosephBialek
|
||||
Required Dependencies: None
|
||||
Optional Dependencies: None
|
||||
Version: 1.1
|
||||
|
||||
.DESCRIPTION
|
||||
|
||||
Search the registry to find saved RDP client connections. This shows you what connections an RDP client has remembered, indicating what servers the user
|
||||
usually RDP's to.
|
||||
|
||||
.EXAMPLE
|
||||
|
||||
Find-RDPClientConnections
|
||||
Find unique saved RDP client connections.
|
||||
|
||||
.NOTES
|
||||
|
||||
.LINK
|
||||
|
||||
Blog: http://clymb3r.wordpress.com/
|
||||
Github repo: https://github.com/clymb3r/PowerShell
|
||||
#>
|
||||
$ReturnInfo = @{}
|
||||
|
||||
New-PSDrive -Name HKU -PSProvider Registry -Root Registry::HKEY_USERS | Out-Null
|
||||
|
||||
#Attempt to enumerate the servers for all users
|
||||
$Users = Get-ChildItem -Path "HKU:\"
|
||||
foreach ($UserSid in $Users.PSChildName)
|
||||
{
|
||||
$Servers = Get-ChildItem "HKU:\$($UserSid)\Software\Microsoft\Terminal Server Client\Servers" -ErrorAction SilentlyContinue
|
||||
|
||||
foreach ($Server in $Servers)
|
||||
{
|
||||
$Server = $Server.PSChildName
|
||||
$UsernameHint = (Get-ItemProperty -Path "HKU:\$($UserSid)\Software\Microsoft\Terminal Server Client\Servers\$($Server)").UsernameHint
|
||||
|
||||
$Key = $UserSid + "::::" + $Server + "::::" + $UsernameHint
|
||||
|
||||
if (!$ReturnInfo.ContainsKey($Key))
|
||||
{
|
||||
$SIDObj = New-Object System.Security.Principal.SecurityIdentifier($UserSid)
|
||||
$User = ($SIDObj.Translate([System.Security.Principal.NTAccount])).Value
|
||||
|
||||
$Properties = @{
|
||||
CurrentUser = $User
|
||||
Server = $Server
|
||||
UsernameHint = $UsernameHint
|
||||
}
|
||||
|
||||
$Item = New-Object PSObject -Property $Properties
|
||||
$ReturnInfo.Add($Key, $Item)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $ReturnInfo
|
||||
}
|
||||
Loading…
Reference in New Issue