RemoteAdmins.psm1
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. $PSScriptRoot\PullList.ps1 #Gets remote admins from the computer. Uses default Administrators group SID value to retrive admins if no groupname is supplied. #User calling this function must have admin priviledges on the remote computer. Function Get-Admins { Param($ComputerName, $GroupName, [PSCredential]$Credential) if ($GroupName) { $GroupName = $GroupName -join ";" } $command = { param($GroupName) $localObject = @() if (!($GroupName)) { $Computer = [ADSI]"WinNT://$env:COMPUTERNAME,computer" $Groups = $Computer.psbase.Children | Where {$_.psbase.schemaClassName -eq "group"} foreach ($j in $Groups) { $b = $j.Path.split('/', [StringSplitOptions]::RemoveEmptyEntries) [string[]]$GroupName += $b[-1] } } elseif ($GroupName -eq "S-1-5-32-544") { $objSID = New-Object System.Security.Principal.SecurityIdentifier($GroupName) $objgroup = $objSID.Translate( [System.Security.Principal.NTAccount]).Value.split("\")[1] $GroupName = $objgroup } else {$GroupName = $GroupName.split(";")} Foreach ($g in $GroupName) { Try { $Group = [ADSI]("WinNT://$env:COMPUTERNAME/$g,group") $Members = @($Group.psbase.Invoke("Members")) if ($Members) { ForEach ($Member In $Members) { $AdsPath = $Member.GetType().InvokeMember("Adspath", "GetProperty", $null, $Member, $null) $a = $AdsPath.split('/', [StringSplitOptions]::RemoveEmptyEntries) $Name = $a[-1] $domain = $a[-2] if ($domain -eq $env:COMPUTERNAME) {$FullName = $Name} elseif ($domain -eq "WinNT:") { Try { $objSID = New-Object System.Security.Principal.SecurityIdentifier($Name) -ErrorAction stop $objUser = $objSID.Translate( [System.Security.Principal.NTAccount]) $FullName = $objUser.Value } Catch {$FullName = $Name} } Else {$FullName = $domain + "\" + $Name} $Class = $Member.GetType().InvokeMember("Class", 'GetProperty', $Null, $Member, $Null) $localObject += New-Object PSObject -Property @{ "Name" = $FullName; "Class" = $class; "GroupName" = $g; "ComputerName" = $env:COMPUTERNAME } } #Forloop 2 close } # if close else { $localObject += New-Object PSObject -Property @{ "Name" = "-"; "Class" = "-"; "GroupName" = $g; "ComputerName" = $env:COMPUTERNAME } #property close }# else close } #Try close Catch { $ErrorMessage = $_.Exception.Message Write-Warning "$g - $ErrorMessage" $localObject += New-Object PSObject -Property @{ "Name" = "-"; "Class" = "-"; "GroupName" = "$g NOT found!"; "ComputerName" = $env:COMPUTERNAME } #property close } } #Forloop 1 close return $localObject } #command close $AdminMembers = @() if (!($Credential)) { $AdminMembers += Invoke-Command -ComputerName $ComputerName -ScriptBlock $command -ArgumentList ($GroupName) } else { $AdminMembers += Invoke-Command -ComputerName $ComputerName -ScriptBlock $command -ArgumentList ($GroupName) -Credential $Credential } $newObject = New-Object psobject $newObject = $AdminMembers | Select -Property Name, Class, GroupName, ComputerName -Unique return $newObject } #Adds users to the remote computer. Uses Administrators group SID value to add admins if no groupname is supplied. #Will not attempt to add user if the user already exists on the computer. #User calling this function must have admin priviledges on the remote computer. Function Add-Admins { Param($goodAdmins, $ResolvedComputers, $GroupName, [PSCredential]$Credential) $command = { param ($goodAdmins, $GroupName) if ($GroupName -eq "S-1-5-32-544") { $objSID = New-Object System.Security.Principal.SecurityIdentifier($GroupName) $objgroup = $objSID.Translate( [System.Security.Principal.NTAccount]).Value.split("\")[1] $GroupName = $objgroup } function Get-LocalAdmins { $localObject = @() $Group = [ADSI]("WinNT://$env:COMPUTERNAME/$GroupName,group") $Members = @($Group.psbase.Invoke("Members")) if ($Members) { ForEach ($Member In $Members) { $AdsPath = $Member.GetType().InvokeMember("Adspath", "GetProperty", $null, $Member, $null) $a = $AdsPath.split('/', [StringSplitOptions]::RemoveEmptyEntries) $Name = $a[-1] $domain = $a[-2] if ($domain -eq $env:COMPUTERNAME) {$FullName = $Name} elseif ($domain -eq "WinNT:") { Try { $objSID = New-Object System.Security.Principal.SecurityIdentifier($Name) -ErrorAction stop $objUser = $objSID.Translate( [System.Security.Principal.NTAccount]) $FullName = $objUser.Value } Catch {$FullName = $Name} } Else {$FullName = $domain + "\" + $Name} $localObject += New-Object PSObject -Property @{ "Name" = $FullName; } } } # if close return $localObject } $presentAdmins = Get-LocalAdmins $goodAdmins = $goodAdmins.split(';') $toadd = @() $toAdd = $goodAdmins | Where {$_ -notin $presentAdmins.Name} [string[]]$toDisplay = $goodAdmins | Where {$_ -in $presentAdmins.Name} $toDisplay = $toDisplay -join ',' if ($toDisplay) {Write-Host "$env:COMPUTERNAME : The User(s) Already Exists: $toDisplay" -ForegroundColor DarkRed} $group = [ADSI]("WinNT://$env:COMPUTERNAME/$GroupName,group") $toAdd = $toAdd | Foreach {$_.Replace("\", "/")} foreach ($i in $toAdd) {$group.Add("WinNT://" + $i)} } #net localgroup administrators $toAdd /ADD} if (!($Credential)) { Invoke-Command -ComputerName $ResolvedComputers -ScriptBlock $command -ArgumentList ($goodAdmins, $GroupName) } else { Invoke-Command -ComputerName $ResolvedComputers -ScriptBlock $command -ArgumentList ($goodAdmins, $GroupName) -Credential $Credential } } #Removes users from the remote computer. Uses Administrators group SID value to remove admins if no groupname is supplied. #Will not attempt to remove a user from the computer if the user does not exist. #User calling this function must have admin priviledges on the remote computer. Function Remove-Admins { Param($BadAdmins, $ResolvedComputers, $GroupName, [PSCredential]$Credential) $command = { param ($BadAdmins, $GroupName) if ($GroupName -eq "S-1-5-32-544") { $objSID = New-Object System.Security.Principal.SecurityIdentifier($GroupName) $objgroup = $objSID.Translate( [System.Security.Principal.NTAccount]).Value.split("\")[1] $GroupName = $objgroup } function Get-LocalAdmins { $localObject = @() $Group = [ADSI]("WinNT://$env:COMPUTERNAME/$GroupName,group") $Members = @($Group.psbase.Invoke("Members")) if ($Members) { ForEach ($Member In $Members) { $AdsPath = $Member.GetType().InvokeMember("Adspath", "GetProperty", $null, $Member, $null) $a = $AdsPath.split('/', [StringSplitOptions]::RemoveEmptyEntries) $Name = $a[-1] $domain = $a[-2] if ($domain -eq $env:COMPUTERNAME) {$FullName = $Name} elseif ($domain -eq "WinNT:") { Try { $objSID = New-Object System.Security.Principal.SecurityIdentifier($Name) -ErrorAction stop $objUser = $objSID.Translate( [System.Security.Principal.NTAccount]) $FullName = $objUser.Value } Catch {$FullName = $Name} } Else {$FullName = $domain + "\" + $Name} $localObject += New-Object PSObject -Property @{ "Name" = $FullName; } } } # if close return $localObject } $presentAdmins = Get-LocalAdmins $BadAdmins = $BadAdmins.split(';') $toRemove = @() $toRemove = $BadAdmins | Where {$_ -in $presentAdmins.Name} $toDisplay = $BadAdmins | where {$_ -notin $presentAdmins.Name} $toDisplay = $toDisplay -join ',' if ($toDisplay) {Write-Host "$env:COMPUTERNAME : The User(s) Does not Exist: $toDisplay" -ForegroundColor DarkRed} $group = [ADSI]("WinNT://$env:COMPUTERNAME/$GroupName,group") $toRemove = $toRemove | Foreach {$_.Replace("\", "/")} Foreach ($i in $toRemove) {$group.Remove("WinNT://" + $i)} } if (!($Credential)) { Invoke-Command -ComputerName $ResolvedComputers -ScriptBlock $command -ArgumentList ($BadAdmins, $GroupName) } else { Invoke-Command -ComputerName $ResolvedComputers -ScriptBlock $command -ArgumentList ($BadAdmins, $GroupName) -Credential $Credential } } #Renames any Local group on the remote computer. #User calling this function must have admin priviledges on the remote computer. Function Rename-Group { Param($ComputerName, $Name, $NewName) $command = { param($Name, $NewName) try { $group = [ADSI]"WinNT://$ENV:COMPUTERNAME/$Name, group" if ($group) { $group.psbase.Rename($NewName) $group.psbase.CommitChanges() } } catch { $ErrorMessage = $_.Exception.Message Write-Warning "$ENV:COMPUTERNAME - $ErrorMessage" } } Invoke-Command -ComputerName $ComputerName -ScriptBlock $command -ArgumentList $Name, $NewName } #Accepts parameters and performs validation before calling the function Get-Admins to fetch users from remote computer. #User calling this function must have admin priviledges on the remote computer. Function Get-RemoteAdmins { <# .SYNOPSIS Get users on remote Computer. .DESCRIPTION The Get-RemoteAdmins cmdlet fetches Admins on the remote Computer and lists the member type. This is done using the PowerShell ADSI adapter. .PARAMETER ComputerName Specifies the Remote Computer Name. This can be supplied as a string with comma separated values or as a path to an Excel sheet. .PARAMETER Export Specifies the path to export the results of the command. This is a path to a CSV file. .PARAMETER GroupName Specifies the remote Computer group to perform the Operation. The default group is "Administrators" if no value is supplied. .PARAMETER Unique Return a unique list of users. .PARAMETER AllGroups Return a list of users from all the local groups on the remote computer. .EXAMPLE Get-RemoteAdmins -ComputerName Computer1,Computer2 -GroupName "Remote Desktop Users" Fetches all the users in the group "Remote Desktop Users" on the Computers Computer1 and Computer2. .EXAMPLE Get-RemoteAdmins -ComputerName Computer1,Computer2 -GroupName "Remote Desktop Users" -Unique Fetches all the unique users in the group "Remote Desktop Users" on the Computers Computer1 and Computer2. .EXAMPLE Get-RemoteAdmins -ComputerName Computer1,Computer2 -Export "C:\users\user1\Desktop\Export.csv" Fetches all the users in the group Administrators on the Computers Computer1 and Computer2 and stores them in the file Export.csv .EXAMPLE Get-RemoteAdmins -ComputerName "C:\users\user1\Desktop\Computers.xlsx" -Export "C:\users\user1\Desktop\Export.csv" -GroupName Guests -Unique Fetches all the unique users in the group Guests on the list of Computers in "Computers.xlsx" and stores them in the file Export.csv .EXAMPLE Get-RemoteAdmins -ComputerName Computer1,Computer2 -Export "C:\users\user1\Desktop\Export.csv" -AllGroups Fetches all the users from all the local groups on the Computers Computer1 and Computer2 and stores them in the file Export.csv .EXAMPLE Get-RemoteAdmins -ComputerName Computer1,Computer2 -AllGroups -Unique Fetches all the users from the all the local groups on the Computers Computer1 and Computer2 and removes the duplicate users. .EXAMPLE Get-RemoteAdmins -ComputerName 'C:\users\user1\Desktop\Computers.xlsx' -AllGroups | Where {$_.Name -eq "DOMAIN\USER"} Fetches the user "DOMAIN\USER" from the all the Computers in the file "C:\users\user1\Desktop\Computers.xlsx". This can be used to see on what computers does "DOMAIN\USER" exists. #> [CmdletBinding(DefaultParameterSetName = 'singleGroup')] Param( [Parameter(Mandatory = $True, Position = 0, ParameterSetName = 'singleGroup')] [Parameter(Mandatory = $True, Position = 0, ParameterSetName = 'AllGroup')] [ValidateNotNullOrEmpty()] [string[]]$ComputerName, [Parameter(Mandatory = $false, Position = 1, ParameterSetName = 'singleGroup')] [Parameter(Mandatory = $false, Position = 1, ParameterSetName = 'AllGroup')] [ValidateNotNullOrEmpty()] [ValidatePattern("^*.csv$")] [string]$Export, [Parameter(Mandatory = $false, Position = 2, ParameterSetName = 'singleGroup')] [ValidateNotNullOrEmpty()] [string[]]$GroupName = 'S-1-5-32-544', [Parameter(Mandatory = $false, Position = 3, ParameterSetName = 'singleGroup')] [Parameter(Mandatory = $false, Position = 3, ParameterSetName = 'AllGroup')] [switch]$Unique, [Parameter(Mandatory = $false, Position = 2, ParameterSetName = 'AllGroup')] [switch]$AllGroups, [Parameter(Mandatory = $false, Position = 4, ParameterSetName = 'singleGroup')] [Parameter(Mandatory = $false, Position = 4, ParameterSetName = 'AllGroup')] [ValidateNotNullOrEmpty()] [PSCredential]$Credential ) switch ($PsCmdlet.ParameterSetName) { "singleGroup" { Try { $newComputerName = ValidateComputerName($ComputerName) $ResolvedComputers = ResolveDNS ($newComputerName) Write-Verbose -Verbose "Getting Remote Admins..." $Admins = Get-Admins $ResolvedComputers $GroupName $Credential if (($Export.Length -ne 0) -and ($Unique -eq $True)) { $customFormat = New-Object psobject $customFormat = $Admins | select -Property Name, Class, GroupName -Unique $customFormat | Export-CSV -Path $Export -NoTypeInformation Write-Host "The admin list is stored in $Export" -ForegroundColor Yellow } elseif (($Export.Length -eq 0) -and ($Unique -eq $True)) { $customFormat = New-Object psobject $customFormat = $Admins | select -Property Name, Class, GroupName -Unique $customFormat } elseif (($Export.Length -ne 0) -and ($Unique -eq $false)) { $Admins | Export-CSV -Path $Export -NoTypeInformation Write-Host "The admin list is stored in $Export" -ForegroundColor Yellow } else { $Admins } } Catch { Write-Warning $_.Exception.Message } } #Single Group end "AllGroup" { Try { $newComputerName = ValidateComputerName($ComputerName) $ResolvedComputers = ResolveDNS ($newComputerName) Write-Verbose -Verbose "Getting Remote Admins..." $Admins = Get-Admins $ResolvedComputers $Credential if (($Export.Length -ne 0) -and ($Unique -eq $True)) { $customFormat = New-Object psobject $customFormat = $Admins | select -Property Name, Class, GroupName -Unique $customFormat | Export-CSV -Path $Export -NoTypeInformation Write-Host "The admin list is stored in $Export" -ForegroundColor Yellow } elseif (($Export.Length -eq 0) -and ($Unique -eq $True)) { $customFormat = New-Object psobject $customFormat = $Admins | select -Property Name, Class, GroupName -Unique $customFormat } elseif (($Export.Length -ne 0) -and ($Unique -eq $false)) { $Admins | Export-CSV -Path $Export -NoTypeInformation Write-Host "The admin list is stored in $Export" -ForegroundColor Yellow } else { $Admins } } Catch { Write-Warning $_.Exception.Message } } # Allgroup end } #Paramter set end } #Accepts parameters and performs validation before calling the function Add-Admins to add users on the remote computer. #User calling this function must have admin priviledges on the remote computer. Function Add-RemoteAdmins { <# .SYNOPSIS Add user on remote Computer. .DESCRIPTION The Add-RemoteAdmins cmdlet adds Admins on the remote Computer. This is done using the PowerShell ADSI adapter. .PARAMETER ComputerName Specifies the Remote Computer Name. This can be supplied as a string with comma separated values or as a path to an Excel sheet. .PARAMETER AddAdmin Specifies the Admins to be added on the remote Computer. This can be supplied as a string with comma separated values or as a path to an Excel sheet. .PARAMETER GroupName Specifies the remote Computer group to perform the Operation. The default group is "Administrators" if no value is supplied. .EXAMPLE Add-RemoteAdmins -ComputerName Computer1,Computer2 -AddAdmin Domain\user1,Domain\user2 -GroupName "Remote Desktop Users" Adds user1 and user2 in the group "Remote Desktop Users" on the Computers Computer1 and Computer2. .EXAMPLE Add-RemoteAdmins -ComputerName Computer1,Computer2 -AddAdmin Domain\user1,Domain\user2 Adds user1 and user2 in the group Administrators on the Computers Computer1 and Computer2 .EXAMPLE Add-RemoteAdmins -ComputerName Computer1,Computer2 -AddAdmin "C:\users\user1\Desktop\AddAdmin.xlsx" Adds the users from "AddAdmin.xlsx" in the Administrators group on Computer1 and Computer2. .EXAMPLE Add-RemoteAdmins -ComputerName "C:\users\user1\Desktop\Computers.xlsx" -AddAdmin "C:\users\user1\Desktop\AddAdmin.xlsx" Adds the users from "AddAdmin.xlsx" in the Administrators group on the list of Computers in "Computers.xlsx" #> [CmdletBinding()] Param( [Parameter(Mandatory = $True, Position = 0)] [ValidateNotNullOrEmpty()] [string[]]$ComputerName, [Parameter(Mandatory = $true, Position = 1)] [ValidateNotNullOrEmpty()] [string[]]$AddAdmin, [Parameter(Mandatory = $false, Position = 2)] [ValidateNotNullOrEmpty()] [string]$GroupName = 'S-1-5-32-544', [Parameter(Mandatory = $false, Position = 3)] [ValidateNotNullOrEmpty()] [pscredential]$Credential ) $newComputerName = ValidateComputerName($ComputerName) if ($AddAdmin -match "^*.xlsx$") { Resolve-Path $AddAdmin > $null -ErrorAction Stop Write-Verbose -Verbose "Getting the list of Admins to add..." $newAddAdmin = PullList ($AddAdmin) $newAddAdmin = $newAddAdmin -join ';' } else { $newAddAdmin = $AddAdmin } Try { $ResolvedComputers = ResolveDNS ($newComputerName) Write-Verbose -Verbose "Adding Remote Admins..." Add-Admins $newAddAdmin $ResolvedComputers $GroupName $Credential Write-Host "Completed" -ForegroundColor Green } Catch { Write-Warning $_.Exception.Message } } #Accepts parameters and performs validation before calling the function Remove-Admins to remove users from the remote computer. #User calling this function must have admin priviledges on the remote computer. Function Remove-RemoteAdmins { <# .SYNOPSIS Remove user on remote Computer. .DESCRIPTION The Remove-RemoteAdmins cmdlet removes the Admins from the remote Computer. This is done using the PowerShell ADSI adapter. .PARAMETER ComputerName Specifies the Remote Computer Name. This can be supplied as a string with comma separated values or as a path to an Excel sheet. .PARAMETER RemoveAdmin Specifies the Admins to be removed from the remote Computer. This can be supplied as a string with comma separated values or as a path to an Excel sheet. .PARAMETER GroupName Specifies the remote Computer group to perform the Operation. The default group is "Administrators" if no value is supplied. .EXAMPLE Remove-RemoteAdmins -ComputerName Computer1,Computer2 -RemoveAdmin Domain\user1,Domain\user2 -GroupName "Remote Desktop Users" Removes user1 and user2 from the group "Remote Desktop Users" on the Computers Computer1 and Computer2. .EXAMPLE Remove-RemoteAdmins -ComputerName Computer1,Computer2 -RemoveAdmin Domain\user1,Domain\user2 Removes user1 and user2 from the group Administrators on the Computers Computer1 and Computer2 .EXAMPLE Remove-RemoteAdmins -ComputerName Computer1,Computer2 -RemoveAdmin "C:\users\user1\Desktop\RemoveAdmin.xlsx" Pulls the list of users from the given excel and removes them from the Administrator group on Computer1 and Computer2. .EXAMPLE Remove-RemoteAdmins -ComputerName "C:\users\user1\Desktop\Computers.xlsx" -RemoveAdmin "C:\users\user1\Desktop\RemoveAdmin.xlsx" Removes the users in "RemoveAdmin.xlsx" from the Administrators group on the list of Computers in "Computers.xlsx" #> [CmdletBinding()] Param( [Parameter(Mandatory = $True, Position = 0)] [ValidateNotNullOrEmpty()] [string[]]$ComputerName, [Parameter(Mandatory = $true, Position = 1)] [ValidateNotNullOrEmpty()] [string[]]$RemoveAdmin, [Parameter(Mandatory = $false, Position = 2)] [ValidateNotNullOrEmpty()] [string]$GroupName = 'S-1-5-32-544', [Parameter(Mandatory = $false, Position = 3)] [ValidateNotNullOrEmpty()] [pscredential]$Credential ) $newComputerName = ValidateComputerName($ComputerName) if ($RemoveAdmin -match "^*.xlsx$") { Resolve-Path $RemoveAdmin > $null -ErrorAction Stop Write-Verbose -Verbose "Pulling Bad Admins list..." $newRemoveAdmin = PullList($RemoveAdmin) $newRemoveAdmin = $newRemoveAdmin -join ';' } else { $newRemoveAdmin = $RemoveAdmin } Try { $ResolvedComputers = ResolveDNS ($newComputerName) Write-Verbose -Verbose "Removing Remote Admins..." Remove-Admins $newRemoveAdmin $ResolvedComputers $GroupName $Credential Write-Host "Completed" -ForegroundColor Green } Catch { Write-Warning $_.Exception.Message } } #Accepts parameters and performs validation before calling the function Rename-Admins on the remote computer. #User calling this function must have admin priviledges on the remote computer. Function Rename-RemoteGroup { <# .SYNOPSIS Rename a group on a remote Computer. .DESCRIPTION The Rename-RemoteGroup cmdlet renames groups on the remote Computer. This is done using the PowerShell ADSI adapter. .PARAMETER ComputerName Specifies the Remote Computer Name. This can be supplied as a string with comma separated values or as a path to an Excel sheet. .PARAMETER Name Specifies the Name of the group to be renamed on the remote Computer. .PARAMETER NewName Specifies the new name of the remote Computer group. .EXAMPLE Rename-RemoteGroup -ComputerName Computer1,Computer2 -Name User -NewName "Remote Desktop Users" Renames the group User on Computer1 and Computer2 to "Remote Desktop Users" .EXAMPLE Rename-RemoteGroup -ComputerName "C:\users\user1\Desktop\Computers.xlsx" -Name User -NewName "Remote Desktop Users" Renames the group User to "Remote Desktop Users" from the list of Computers in "Computers.xlsx" #> [CmdletBinding()] Param( [Parameter(Mandatory = $True, Position = 0)] [ValidateNotNullOrEmpty()] [string[]]$ComputerName, [Parameter(Mandatory = $true, Position = 1)] [ValidateNotNullOrEmpty()] [string]$Name, [Parameter(Mandatory = $true, Position = 2)] [ValidateNotNullOrEmpty()] [string]$NewName ) $newComputerName = ValidateComputerName($ComputerName) $resolvedComputers = ResolveDNS($newComputerName) Write-Verbose -Verbose "Renaming the group $Name to $NewName..." Rename-Group $resolvedComputers $Name $NewName Write-Host "Completed" -ForegroundColor Green } export-modulemember -function Get-RemoteAdmins export-modulemember -function Add-RemoteAdmins export-modulemember -function Remove-RemoteAdmins Export-ModuleMember -Function Rename-RemoteGroup |