Network.psm1
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#requires -Modules core, NetAdapter, NetTCPIP -Version 5.0 <# .Synopsis Module with various network functions .DESCRIPTION Module with various network functions .NOTES N/A .COMPONENT The component this cmdlet belongs to .ROLE The role this cmdlet belongs to .FUNCTIONALITY The functionality that best describes this cmdlet #> #region Functions ### DNS Functions ### Function Get-DnsAddressList { param( [parameter(Mandatory=$true)][Alias("Host")] [string]$HostName ) Try { return [System.Net.Dns]::GetHostEntry($HostName).AddressList } Catch [System.Net.Sockets.SocketException] { IF ($_.Exception.ErrorCode -ne 11001) { throw $_ } return } } Function Get-DNSDebugLog { # Parses the DNS debug log <# .SYNOPSIS Reads the specified DNS debug log. .DESCRIPTION Retrives all entries in the DNS debug log for further processing using powershell or exporting to Excel. .PARAMETER Path Specifies the path to the DNS debug logfile. .PARAMETER Ignore Specifies which IPs to ignore. .INPUTS Takes the filepath of the DNS servers debug log. And an Ignore parameter to ignore certain ips. .OUTPUTS Array of PSCustomObject \windows\system32\dns\dns.log .EXAMPLE Get-DNSDebugLog -Path "$($env:SystemRoot)\system32\dns\dns.log" -Verbose |? {$_.QR -eq "Query"-and $_.Way -eq 'RCV'} |group-Object "Client IP"| Sort-Object -Descending Count| Select -First 10 Name, Count Name Count ---- ----- 192.168.66.103 21 192.168.66.37 11 192.168.66.22 4 192.168.66.117 1 .EXAMPLE C:\PS> Import-Module ActiveDirectory C:\PS> $ignore = Get-ADDomainController -Filter * | Select-Object -ExpandProperty Hostname |ForEach-Object {[System.Net.Dns]::GetHostAddresses($_)|select -ExpandProperty IPAddressToString} C:\PS> Get-DNSDebugLog -Ignore:$Ignore -Path '\\dc01.domain.tld\c$\dns.log' .LINK Script center: http://gallery.technet.microsoft.com/scriptcenter/Get-DNSDebugLog-Easy-ef048bdf My Blog: http://virot.eu Blog Entry: http://virot.eu/wordpress/easy-handling-before-removing-dns/ .NOTES Author: Oscar Virot - virot@virot.com Filename: Get-DNSDebugLog.ps1 #> [CmdletBinding()] Param( [Parameter(Mandatory=$true)] [string] [ValidateScript({Test-Path($_)})] $Path, [Parameter(Mandatory=$False)] [string[]] $Ignore ) Begin { Write-Verbose "Storing DNS logfile format" $dnspattern = "^([0-9]{1,2}\/[0-9]{2}\/[0-9]{2,4}|[0-9]{2,4}-[0-9]{2}-[0-9]{2}) ([0-9: ]{7,8}\s?P?A?M?) ([0-9A-Z]{3,4} PACKET\s*[0-9A-Za-z]{8,16}) (UDP|TCP) (Snd|Rcv) ([0-9 .]{7,15}) ([0-9a-z]{4}) (.) (.) \[.*\] (.*) (\(.*)" Write-Verbose "Storing storing returning customobject format" $returnselect = @{label="Client IP";expression={[ipaddress] ($temp[6]).trim()}}, @{label="DateTime";expression={[DateTime] (Get-Date("$($temp[1]) $($temp[2])"))}}, @{label="QR";expression={switch($temp[8]){" " {'Query'};"R" {'Response'}}}}, @{label="OpCode";expression={switch($temp[9]){'Q' {'Standard Query'};'N' {'Notify'};'U' {'Update'};'?' {'Unknown'}}}}, @{label="Way";expression={$temp[5]}}, @{label="QueryType";expression={($temp[10]).Trim()}}, @{label="Query";expression={$temp[11] -replace "(`\(.*)","`$1" -replace "`\(.*?`\)","." -replace "^.",""}} } Process { Write-Verbose "Getting the contents of $Path, and matching for correct rows." #$rows = (Get-Content $Path) -match $dnspattern -notmatch 'ERROR offset' -notmatch 'NOTIMP' $file = ls $Path; $objFile = [System.IO.File]::ReadAllText($file.FullName); $rows = $objFile.split("`n") -match $dnspattern -notmatch 'ERROR offset' -notmatch 'NOTIMP' Write-Verbose "Found $($rows.count) rows in debuglog, processing 1 at a time." [int]$intTracker = 0 ForEach ($row in $rows) { Try { $temp = $Null $temp = [regex]::split($row,$dnspattern) if ($Ignore -notcontains ([ipaddress] ($temp[6]).trim())) { $true | Select-Object $returnselect } } Catch { $strFailedRow = 'Failed to interpet row.' Write-Verbose $strFailedRow Write-Debug $strFailedRow Write-Debug $row } $perc = ($intTracker/$($rows.Count) * 100) Write-Progress -PercentComplete $perc -Activity "Processing $intTracker of $($rows.Count)" ` -Status 'File analysis progress' $intTracker++ } } End { } } Function Get-DnsCache { [CmdLetBinding()] PARAM ( [ValidateScript({ Test-Path -Path $_ -PathType 'Leaf' })] [String] $InputFile, [String] $ComputerName, [PSCredential] $Credential ) $Props = [Ordered] @{ RecordName = "" RecordType = "" Section = "" TimeToLive = 0 DataLength = 0 Data = "" } $Records = @() IF ($InputFile) { # Allow for the use of offline cache file $Cache = gc $InputFile } ElseIF ($ComputerName) { [String] $sb = '{ ipconfig /displaydns }' [String] $Command = ( 'Invoke-Command -Command {0} -ComputerName {2}{1}{2} -Authentication Kerberos' -f $sb,$ComputerName,"'" ) IF ($Credential) { $Command = $Command + ' -Credential $Credential' } $Cache = Invoke-Expression -Command $Command } Else { $Cache = ipconfig /displaydns } For ( $i=0 $i -le ($Cache.Count -1) $i++ ) { IF ($Cache[$i] -like '*Record Name*') { $Record = New-Object -TypeName psobject -Property $Props $Record.RecordName = ($Cache[$i] -split -split ": ")[1] $Record.Section = ($Cache[$i+4] -split -split ": ")[1] $Record.TimeToLive = ($Cache[$i+2] -split -split ": ")[1] $Record.DataLength = ($Cache[$i+3] -split -split ": ")[1] $iRecord = ($Cache[$i+5] -split ": ") $Record.RecordType = ($iRecord[0].TrimStart() -split ' ')[0] $Record.Data = $iRecord[1] $Records += $Record } Else { Continue } } $Records } Function Clear-DnsCache { [CmdLetBinding()] PARAM ( [String] $ComputerName, [PSCredential] $Credential ) IF ($ComputerName) { [String] $sb = '{ ipconfig /flushdns }' [String] $Command = ( 'Invoke-Command -Command {0} -ComputerName {2}{1}{2} -Authentication Kerberos' -f $sb,$ComputerName,"'" ) IF ($Credential) { $Command = $Command + ' -Credential $Credential' } Invoke-Expression -Command $Command } Else { ipconfig /flushdns } } Function Get-HostsFile { $strHostsFile = '{0}\System32\Drivers\etc\hosts' -f $env:SystemRoot Get-Content -Path $strHostsFile -Encoding Ascii } Function Add-HostsFileEntry { Param ( [Parameter(Mandatory = $true, Position = 0, HelpMessage = 'Name of the system to add')] [Alias('System')] [String] $HostName, [Parameter(Mandatory = $true, Position = 1, HelpMessage = 'IP of the hostname to add')] [ipaddress] $IP ) $boolIsAdmin = (Test-AdminRights) $strHostsFile = '{0}\System32\Drivers\etc\hosts' -f $env:SystemRoot If (!$boolIsAdmin) { '{0} This command requires admin rights {0}' -f "`n" [String] $cmd = $MyInvocation.Line If ($cmd -clike ('* {0}*' -f '$')) { $msg = @' {0}Unable to elevate when using variables as parameters!{0} Try again without variables, or use this function from and elevated prompt '@ -f "`n" Write-Host -ForegroundColor Yellow $msg Return } Else { $input = $( Add-Type -AssemblyName Microsoft.VisualBasic [Microsoft.VisualBasic.Interaction]::MsgBox("Do you want to run this command elevated?", "YesNo", "Elevate?") ) $answer = $input If ($answer -eq 'Yes') { Invoke-Elevate -Command $cmd } } Return } $objFile = Get-Content -Path $strHostsFile -Encoding Ascii [int] $intLineCount = $objFile.Count -1 # Check if the last line in the file is a blank line [bool] $boolIsBlankLine = ($objFile[$intLineCount] -eq '') If (!$boolIsBlankLine) { "`n" | Out-File -Append -Encoding ascii -FilePath $strHostsFile } "$IP`t$HostName" | Out-File -Append -Encoding ascii -FilePath $strHostsFile $? } Function Remove-HostsFileEntry { Param ( [Parameter(Mandatory = $true, Position = 1, HelpMessage = 'IP of the hostname to remove')] [ipaddress] $IP ) $boolIsAdmin = (Test-AdminRights) $strHostsFile = '{0}\System32\Drivers\etc\hosts' -f $env:SystemRoot If (!$boolIsAdmin) { '{0} This command requires admin rights {0}' -f "`n" [String] $cmd = $MyInvocation.Line If ($cmd -clike ('* {0}*' -f '$')) { $msg = @' {0}Unable to elevate when using variables as parameters!{0} Try again without variables, or use this function from and elevated prompt '@ -f "`n" Write-Host -ForegroundColor Yellow $msg Return } Else { $input = $( Add-Type -AssemblyName Microsoft.VisualBasic [Microsoft.VisualBasic.Interaction]::MsgBox("Do you want to run this command elevated?", "YesNo", "Elevate?") ) $answer = $input If ($answer -eq 'Yes') { Invoke-Elevate -Command $cmd } } Return } # Remove the entry $objFile = Get-Content -Path $strHostsFile -Encoding Ascii | Where-Object {$_ -notmatch $IP.ToString()} # Can't do a one-liner cause the file would be busy still $objFile | Set-Content -Path $strHostsFile -Encoding Ascii -Force $? } ### IP Address Functions #### Function ConvertTo-DottedDecimalIP ( [String]$IP ) { Switch -RegEx ($IP) { "([01]{8}\.){3}[01]{8}" { Return [String]::Join('.', $( $IP.Split('.') | ForEach-Object {[Convert]::ToInt32($_, 2) } ))} "\d" { $IP = [UInt32]$IP $DottedIP = $( For ($i = 3; $i -gt -1; $i--) { $Remainder = $IP % [Math]::Pow(256, $i) ($IP - $Remainder) / [Math]::Pow(256, $i) $IP = $Remainder } ) Return [String]::Join('.', $DottedIP) } Default { Write-Error "Cannot convert this format" } } } Function ConvertTo-DecimalIP ( [String]$IP ) { $IPAddress = [Net.IPAddress]::Parse($IP) $i = 3 $IPAddress.GetAddressBytes() | %{ $DecimalIP += $_ * [Math]::Pow(256, $i); $i-- } Return [UInt32]$DecimalIP } Function ifconfig { $arrayInterfaces = @() Foreach ($adapter in $(Get-NetAdapter | Where-Object {$_.Status -eq "Up"} | Sort-Object -Property Name)) { $strName = $adapter.Name $strMac = $adapter.MacAddress $strIP = $adapter | Get-NetIpAddress | ForEach-Object {$_.IPAddress } $objBuilder = New-Object -TypeName PSObject $objBuilder | Add-Member -Type NoteProperty -Name "Iface" -Value "$strName" $objBuilder | Add-Member -Type NoteProperty -Name "MacAddress" -Value "$strMac" $objBuilder | Add-Member -Type NoteProperty -Name "IP Address" -Value "$strIP" $arrayInterfaces += $objBuilder } $arrayInterfaces } Function Get-MyIpAddress { <# .Synopsis Get's your public IP address. .DESCRIPTION Uses https://api.ipify.org API to return your IP address. .EXAMPLE $ip = Get-MyIpAddress #> <# Version 0.1 - Day one #> Try { $uri = 'https://api.ipify.org' $ip = Invoke-WebRequest -Uri $uri Return $ip.Content } Catch { Write-Error -Message 'Failed to get IP address' } } ### Web Functions ### Function Get-WebCertificate { <# .Synopsis Retrieve the details of a website's TLS certificate .DESCRIPTION Long description .EXAMPLE Example of how to use this cmdlet .EXAMPLE Another example of how to use this cmdlet #> <# Version 0.? - ??? #> [CmdLetBinding()] Param ( [Parameter(Mandatory = $true, ValueFromPipeline = $true, Position = 0, HelpMessage = 'Name or IP of system')] [String[]] $System, [int] $Port = 443 ) Begin { # Baseline our environment Invoke-VariableBaseLine # Debugging for scripts $Script:boolDebug = $PSBoundParameters.Debug.IsPresent } Process { # Variables [int] $intTimeOutMilliseconds = 2500 $objCerts = @() Foreach ($objSystem in $System) { # ensure that workin variables are clean. <# $request = $null $cert = $null $dtExpiration = $null $certName = $null $intDaysRemaining = $null #> # Must be working with a string name If ($objSystem -notmatch 'https://') { [URI] $objSystem = 'https://{0}' -f $objSystem } Else { } # attempt to retrieve the server certificate $request = $null Remove-Variable -Name request -ErrorAction SilentlyContinue $request = [Net.HttpWebRequest]::Create($objSystem) $request.TimeOut = $intTimeOutMilliseconds Try { $request.GetResponse() } Catch { Write-Debug -Message ('Unable to find {0}' -f $objSystem) } If ($request.ServicePoint.Certificate.Subject -ne $null) { $strCertName = $request.ServicePoint.Certificate.GetName() $strCommonName = $strCertName.Split(' ') -Match 'CN=' -replace 'CN=' [DateTime]$dtExpiration = $request.ServicePoint.Certificate.GetExpirationDateString() [int]$intDaysRemaining = ($dtExpiration - $(get-date)).Days $objBuilder = New-Object -TypeName PSObject $objBuilder | Add-Member -MemberType NoteProperty -Name 'URI' -Value $objSystem $objBuilder | Add-Member -MemberType NoteProperty -Name 'Name' -Value $strCertName $objBuilder | Add-Member -MemberType NoteProperty -Name 'CommonName' -Value $strCommonName $objBuilder | Add-Member -MemberType NoteProperty -Name 'EffectiveDate' -Value $request.ServicePoint.Certificate.GetEffectiveDateString() $objBuilder | Add-Member -MemberType NoteProperty -Name 'EndDate' -Value $request.ServicePoint.Certificate.GetExpirationDateString() $objBuilder | Add-Member -MemberType NoteProperty -Name 'RemainingDays' -Value $intDaysRemaining $objBuilder | Add-Member -MemberType NoteProperty -Name 'SHA1' -Value $request.ServicePoint.Certificate.GetSerialNumberString() $objBuilder | Add-Member -MemberType NoteProperty -Name 'KeyAlgorithm' -Value $request.ServicePoint.Certificate.GetKeyAlgorithm() $objBuilder | Add-Member -MemberType NoteProperty -Name 'SerialNumber' -Value $request.ServicePoint.Certificate.GetSerialNumberString() $objBuilder | Add-Member -MemberType NoteProperty -Name 'Subject' -Value $request.ServicePoint.Certificate.Subject $objBuilder | Add-Member -MemberType NoteProperty -Name 'Issuer' -Value $request.ServicePoint.Certificate.GetIssuerName() $objBuilder | Add-Member -MemberType NoteProperty -Name 'Handle' -Value $request.ServicePoint.Certificate.Handle $objBuilder | Add-Member -MemberType NoteProperty -Name 'Format' -Value $request.ServicePoint.Certificate.GetFormat() # Append our cert object $objCerts += $objBuilder } } # Return the object of certs $objCerts } End { # Clean up the environment Invoke-VariableBaseLine -Clean } } Function Get-WebSecurityProtocol { [Net.ServicePointManager]::SecurityProtocol } Function Set-WebSecurityProtocol { Param ( [Parameter(Mandatory=$true, Position=0, HelpMessage='Select protocols to be enabled')] [ValidateSet('SSLv3', 'TLS1.0', 'TLS1.1', 'TLS1.2')] [String[]] $Protocols, [Switch] $Append, [Switch] $Quiet ) # Variables $intCounter = 0 $dictProtocols = @{ 'SSLv3' = 'Ssl3' 'TLS1.0' = 'Tls' 'TLS1.1' = 'Tls11' 'TLS1.2' = 'Tls12' } $currentProtocols = Get-WebSecurityProtocol Foreach ($protocol in $Protocols) { If ((!$Append) -and $intCounter -eq 0) { $strOperator = '=' $boolSkip = $false } Else { $strOperator = '+=' If ($currentProtocols.ToString().Split(',').Trim() -contains $dictProtocols[$protocol]) { $boolSkip = $true } Else { $boolSkip = $false } } $strCommand = ('[Net.ServicePointManager]::SecurityProtocol {0} [Net.SecurityProtocolType]::{1}' ` -f $strOperator, $($dictProtocols["$protocol"])) If (!$boolSkip) { Invoke-Expression -Command $strCommand | Out-Null } $intCounter++ } If (!$Quiet) { Get-WebSecurityProtocol } } Function Import-509Certificate { Param ( [Parameter(Mandatory=$true, Position=0, HelpMessage='Full path to certificate file')] [ValidateScript({ Test-Path -Path $_ -PathType 'Leaf' })] [ValidateNotNullOrEmpty()] [Alias('Path')] [String] $FilePath, # Object type: System.Security.Cryptography.X509Certificates.StoreLocation [Parameter(Mandatory=$true, Position=1, HelpMessage='System or user?')] [ValidateSet('LocalMachine','CurrentUser')] [String] $StoreLocation = 'CurrentUser', # Object type: System.Security.Cryptography.X509Certificates.StoreName [Parameter(Position=2, HelpMessage='Where should we store the certificate')] [ValidateSet( 'AddressBook', 'AuthRoot', 'CertificateAuthority', 'Disallowed', 'My', 'Root', 'TrustedPeople', 'TrustedPublisher')] [String] $StoreName = 'My', [Parameter(Mandatory=$false, Position=3, HelpMessage='Password for certificate file')] [Alias('Password')] [String] $CertificatePassword = $null ) # Check if we can continue [bool] $isAdmin = Test-AdminRights If ($isAdmin -eq $false -and $StoreLocation -eq 'LocalMachine') { # TODO: Use Invoke-Elevate to continue with the import Write-Output "`nLocalMachine requires elevation!`n" Return } # Variables $objFile = Get-Item -Path $FilePath [String] $strFileName = $objFile.FullName $pfx = New-Object -TypeName System.Security.Cryptography.X509Certificates.X509Certificate2 $store = New-Object -TypeName System.Security.Cryptography.X509Certificates.X509Store($StoreName,$StoreLocation) # Import the certificate If ($CertificatePassword) { # Using default flags for now $Flags = [System.Security.Cryptography.X509Certificates.X509KeyStorageFlags]::DefaultKeySet $pfx.Import($strFileName,$CertificatePassword,$Flags) } Else { $pfx.import($strFileName) } # Open the certificate store, add the cert to the store, and close it $store.Open("MaxAllowed") $store.Add($pfx) $store.Close() } Function Expand-Uri { Param ( [Parameter(Mandatory=$true, Position=0, HelpMessage='Short URL to be expanded')] [Alias('URL')] [uri] $URI ) $retVal = Invoke-WebRequest -UseBasicParsing -Uri $URI -MaximumRedirection 0 -ErrorAction Ignore | ForEach-Object {$_.Headers} | ForEach-Object {$_.Location} $retVal } Function Enable-Proxy { $ProxySettings = (Get-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections' ` -Name DefaultConnectionSettings).DefaultConnectionSettings If ($ProxySettings[16] -ne '0x00') { # Appears there may be an auto-config URL $ProxySettings[8] = 15 # = 0x0F } ElseIF ($ProxySettings[24] -ne '0x00') { # Looks like a manual proxy is set $ProxySettings[8] = 13 # = 0x0D } Else { # Just enable auto-detect settings (a.k.a WPAD) $ProxySettings[8] = 9 # = 0x09 } #$regVal = Convert-ByteArrayToHex -ByteArray $ProxySettings $regVal = [Byte[]] $ProxySettings # Enable the proxy setting Set-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings' ` -Name ProxyEnable -Value 1 Set-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections' ` -Name DefaultConnectionSettings -Value ([Byte[]]($regVal)) } Function Disable-Proxy { Param ( [Switch] $ClearSettings ) If ($ClearSettings) { Set-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections' ` -Name DefaultConnectionSettings ` -Value ( [byte[]]( 0x46,0x00,0x00,0x00,0x2E,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ) ) } Else { $ProxySettings = (Get-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections' ` -Name DefaultConnectionSettings).DefaultConnectionSettings $ProxySettings[8] = 1 #$regVal = Convert-ByteArrayToHex -ByteArray $ProxySettings $regVal = [Byte[]] $ProxySettings Set-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections' ` -Name DefaultConnectionSettings -Value ([Byte[]]($regVal)) } # Disable the proxy setting Set-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings' ` -Name ProxyEnable -Value 0 } Function Set-WebCertificatePolicy { Param ( [Switch] $IgnoreInvalidCertificate ) Try { Add-Type -TypeDefinition @' using System.Net; using System.Security.Cryptography.X509Certificates; public class InSecureWebPolicy : ICertificatePolicy { public bool CheckValidationResult(ServicePoint sPoint, X509Certificate cert,WebRequest wRequest, int certProb) { return true; } } '@ } Catch { Write-Error -Message 'Failed to load the insecure policy' } $pol = [System.Net.ServicePointManager]::CertificatePolicy # Policy reverts after closing your shell, so only process is needed. Invoke-EnvironmentalVariable -Name pol -Scope Process -Value $pol If ($IgnoreInvalidCertificate) { [System.Net.ServicePointManager]::CertificatePolicy = New-Object -TypeName InSecureWebPolicy } ElseIf ($pol) { [System.Net.ServicePointManager]::CertificatePolicy = $pol } Else { 'You do not seem to have a policy to revert to. Please close, and launch a new shell' } } New-Alias -Name Expand-Url -Value Expand-Uri -ErrorAction SilentlyContinue ### Network Functions ### Function Get-Netstat { # TODO: Needs to be more efficient. Makes a call to get-process for each item. # TODO: Get netstat info from remote computers. Parameter -ComputerName as [String[]] # Variables $nets = $(netstat -aon).Trim() | Select-Object -Skip 4 | ConvertFrom-String -PropertyNames Protocol,LocalAddress,RemoteAddress,State,PID $nets = $nets | Where-Object { $_.State -match "ESTABLISHED|LISTENING"} | Select-Object -Property Protocol,` @{ Name = 'LocalAddress' Expression = { if ($_.LocalAddress -notmatch ']') { $_.LocalAddress.Split(':')[0] } Else { $_.LocalAddress.Split(']')[0].Trim('[') } } }, ` @{ Name = 'LocalPort' Expression = { if ($_.LocalAddress -match ']') { $_.LocalAddress.Split(']')[1].Trim(':') } Else { $_.LocalAddress.Split(':')[1] } } }, ` @{ Name = 'RemoteAddress' Expression = { if ($_.RemoteAddress -notmatch ']') { $_.RemoteAddress.Split(':')[0] } Else { $_.RemoteAddress.Split(']')[0].Trim('[') } } }, ` @{ Name = 'RemotePort' Expression = { if ($_.RemoteAddress -match ']') { $_.RemoteAddress.Split(']')[1].Trim(':') } Else { $_.RemoteAddress.Split(':')[1] } } },` State,` PID, @{ Name = 'Process' Expression = { Get-Process -ID $($_.PID ) | % ProcessName } } $nets } Function Send-WakeOnLan { <# .SYNOPSIS Function for waking up computers on the network .DESCRIPTION This function sends magic packets to wake up a shutdown computer, that has Wake On LAN configured. .PARAMETER broadcastAddress The broadcast address is the top IP address in a subnet. e.x. if the IP of the computer you want to wake up is 192.168.1.100 with a subnet mask of 255.255.255.0, the broadcast address would be 192.168.1.255 This parameter is not the IP of the destination computer. .PARAMETER macAddress This would be the physical address of the computer you wish to wake up. e.x. 00-01-de-ad-b3-ef .PARAMETER JumpServer If you need to wake a computer on a network other than your own, and the network does not allow directed- broadcast, you can wake up a computer on the routed network, via another computer on that same network. .PARAMETER Credential This would be the credential uses to connect/execute commands on the jump server. .EXAMPLE Send-WakeOnLan -BroadcastAddress 192.168.1.255 -MacAddress 00-01-de-ad-b3-ef -JumpServer Computer01 -Credential $creds This will connect to Computer02, and run the wake on LAN command from there. It will attempt to wake up the system with MAC address 00-01-de-ad-b3-ef on the same network .EXAMPLE Get-Content -Path .\list_of_macs.txt | Send-WakeOnLan -BroadcastAddress 192.168.1.255 This will process each mac, and attempt to wake them all up. .EXAMPLE Send-WakeOnLan -BroadcastAddress 192.168.1.255 -MacAddress 00-01-de-ad-b3-ef This will attempt to wake up a system with MAC address 00-01-de-ad-b3-ef .EXAMPLE '00-01-de-ad-b3-ef' | Send-WakeOnLan -BroadcastAddress 192.168.1.255 Wake up a single machine. Pipeline the MAC address only. .EXAMPLE # Build a holder for hosts $objOfHolding = @() $objBuilder = New-Object PSObject $objBuilder | Add-Member -MemberType NoteProperty -Name 'BroadcastAddress' -Value '192.168.1.255' $objBuilder | Add-Member -MemberType NoteProperty -Name 'MacAddress' -Value '00-01-de-ad-b3-ef' $objBuilder | Add-Member -MemberType NoteProperty -Name 'JumpServer' -Value 'Server01' # Place in the holding object $objOfHolding += $objBuilder # Adding the next host rv objBuilder $objBuilder = New-Object psobject $objBuilder | Add-Member -MemberType NoteProperty -Name 'BroadcastAddress' -Value '172.30.1.255' $objBuilder | Add-Member -MemberType NoteProperty -Name 'MacAddress' -Value 'be-3f-02-03-de-ad' # This object is on my local network, so I don't need a jump server. We will set this to null $objBuilder | Add-Member -MemberType NoteProperty -Name 'JumpServer' -Value $null # Place in the holding object $objOfHolding += $objBuilder # We now have a CSV that we'll maintain will all systems, from all locations. $objOfHolding | Export-Csv -Path '.\All_My_Systems.csv' -NoTypeInformation -Encoding ASCII # When all systems need to be woke up... # Import our list of maintained systems. $csvFile = Import-Csv -Path '.\All_My_Systems.csv' -Encoding ASCII # Now pipe the object to the wake up function $csvFile | Send-WakeOnLan -Credential This will wake multiple machines defined in a CSV file. .NOTES Scalable WOL, without needing to make changes to your network. No "ip directed-broadcast" necessary :) .LINK N/A .INPUTS Accepts string input of MAC address from the pipeline. Will also accept an array object with MAC address, broadcast address, and jump server defined. .OUTPUTS Void #> [CmdletBinding()] param ( [Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [ValidateNotNullorEmpty()] [ValidateScript({$_ -like '*-*-*-*-*-*'})] [Alias('ma')] [String] $MacAddress, [Parameter(Mandatory = $true, Position = 1, ValueFromPipelineByPropertyName = $true)] [ValidateNotNullorEmpty()] [Alias('bc')] [IPAddress] $BroadcastAddress, [Parameter(Position = 2, ValueFromPipelineByPropertyName = $true)] [Alias('js')] [String] $JumpServer, [System.Management.Automation.Credential()] [PSCredential] $Credential ) Process { Write-Verbose -Message $BroadCastAddress Write-Verbose -Message $MacAddress [ScriptBlock] $sbShaker = { Param ( $BroadCastAddress, $MacAddress ) Try { [void][System.Reflection.Assembly]::LoadWithPartialName('System.Net') [void][System.Reflection.Assembly]::LoadWithPartialName('System.Net.Sockets') $NetUdpClient = New-Object System.Net.Sockets.UdpClient $NetIpEndPoint = New-Object System.Net.IPEndPoint $([IPAddress]::Parse($BroadCastAddress)),10000 } Catch { Throw } If ($NetUdpClient -and $NetIpEndPoint) { Try { [byte[]]$macBytes = $MacAddress.Split('-') | ForEach-Object { [byte]('0x{0}' -f $_) } [byte[]]$bytes = New-Object -TypeName 'byte[]' -ArgumentList $(6 + 16 * $($macBytes.length)) for ($i = 0; $i -lt 6; $i++) { $bytes[$i] = [byte] 0xff } for ($i = 6; $i -lt $bytes.length; $i += $macBytes.length) { for($j = 0; $j -lt $macBytes.length; $j++) { $bytes[$i + $j] = $macBytes[$j] } } $NetUdpClient.Connect($NetIpEndPoint) [void]$NetUdpClient.Send($bytes, $bytes.length) $NetUdpClient.Close() } Catch { Throw } } } If ($JumpServer) { If ($Credential) { Invoke-Command -ComputerName $JumpServer -Credential $Credential -Authentication Kerberos ` -ScriptBlock $sbShaker -ArgumentList $broadcastAddress,$macAddress -AsJob | Out-Null } Else { Invoke-Command -ComputerName $JumpServer -ScriptBlock $sbShaker ` -ArgumentList $broadcastAddress,$macAddress -AsJob | Out-Null } } Else { $sbShaker.Invoke( $broadcastAddress, $macAddress ) } } } #endregion |