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Invoke-Piper.psm1
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<#
.SYNOPSIS
Creates a local or remote port forwarding through named pipes.
Author: p3nt4 (https://twitter.com/xP3nt4)
License: MIT
.DESCRIPTION
Creates a local or remote port forwarding through named pipes.
.EXAMPLE
Invoke-PiperServer -bindPipe testPipe -destHost 127.0.0.1 -destPort 3389
Invoke-PiperClient -destPipe testPipe -pipeHost 192.168.1.1 -bindPort 33389
Creates a local port forwarding through pipe testPipe: -L 33389:127.0.0.1:3389
Invoke-PiperServer -remote -bindPipe testPipe -bindPort 33389 -security Administrators
Invoke-PiperClient -remote -destPipe testPipe -pipeHost 192.168.1.1 -destHost 127.0.0.1 -destPort 3389
Creates an admin only remote port forwarding through pipe testPipe: -R 33389:127.0.0.1:3389
#>
[ScriptBlock]$CliConnectionMgr = {
param($vars)
$destPipe=$vars.destPipe
$tcpConnection=$vars.tcpConnection
$pipeHost=$vars.pipeHost
$Script = {
param($vars)
try{
$vars.inStream.CopyTo($vars.outStream)
}
catch{}
finally{
$vars.pipe.Close()
$vars.pipe.Dispose()
}
}
try{
$inPipeName= -Join($destPipe,'.in')
$outPipeName= -Join($destPipe,'.out')
$inPipe= new-object System.IO.Pipes.NamedPipeClientStream($pipeHost, $inPipeName, [System.IO.Pipes.PipeDirection]::InOut,
[System.IO.Pipes.PipeOptions]::None,
[System.Security.Principal.TokenImpersonationLevel]::Impersonation)
$inPipe.connect()
$outPipe= new-object System.IO.Pipes.NamedPipeClientStream($pipeHost, $outPipeName, [System.IO.Pipes.PipeDirection]::InOut,
[System.IO.Pipes.PipeOptions]::None,
[System.Security.Principal.TokenImpersonationLevel]::Impersonation)
$outPipe.connect()
$tcpStream = $tcpConnection.GetStream()
$vars2 = [PSCustomObject]@{"inStream"=$outPipe;"outStream"=$tcpStream;"pipe"=$outPipe}
$PS = [PowerShell]::Create()
$PS.AddScript($Script).AddArgument($vars2) | Out-Null
[System.IAsyncResult]$AsyncJobResult = $null
$AsyncJobResult = $PS.BeginInvoke()
try{
$tcpStream.CopyTo($inPipe)
}
catch{}
finally{
$inPipe.Close()
$inPipe.Dispose()
}
}
catch {}
}
[ScriptBlock]$SrvConnectionMgr = {
param($vars)
$bindPipe=$vars.bindPipe
$PipeSecurity=$vars.pipeSecurity
$tcpConnection=$vars.tcpConnection
$Script = {
param($vars)
try{
$vars.inStream.CopyTo($vars.outStream)
}
catch{}
finally{
$vars.pipe.Disconnect()
$vars.pipe.Close()
$vars.pipe.Dispose()
}
}
try
{
$inPipeName= -Join($bindPipe,'.in')
$inPipe= new-object System.IO.Pipes.NamedPipeServerStream($inPipeName,"InOut",100, "Byte", "Asynchronous", 32768, 32768, $PipeSecurity)
$inPipe.WaitForConnection()
$outPipeName= -Join($bindPipe,'.out')
$outPipe= new-object System.IO.Pipes.NamedPipeServerStream($outPipeName, "InOut",100, "Byte", "Asynchronous", 32768, 32768, $PipeSecurity)
$outPipe.WaitForConnection()
$srvStream= $tcpConnection.GetStream()
$vars = [PSCustomObject]@{"inStream"=$srvStream;"outStream"=$outPipe;"pipe"=$outPipe}
$PS = [PowerShell]::Create()
$PS.AddScript($Script).AddArgument($vars) | Out-Null
[System.IAsyncResult]$AsyncJobResult = $null
$AsyncJobResult = $PS.BeginInvoke()
try{
$inPipe.CopyTo($srvStream)
}
catch{}
finally{
$inPipe.Disconnect()
$inPipe.Close()
$inPipe.Dispose()
$inPipe = $null
}
}
catch {
}
}
function Invoke-PiperServer{
param (
[String]$bindPipe,
[String]$destHost,
[String]$security = "Everyone",
[Int]$destPort,
[String]$bindIP = "0.0.0.0",
[Int]$bindPort,
[switch]$remote = $false
)
try{
$enc = [system.Text.Encoding]::UTF8
$clientBuffer = new-object System.Byte[] 16
$PipeSecurity = new-object System.IO.Pipes.PipeSecurity
$AccessRule = New-Object System.IO.Pipes.PipeAccessRule( $security, "FullControl", "Allow" )
$PipeSecurity.AddAccessRule($AccessRule)
$pipe= new-object System.IO.Pipes.NamedPipeServerStream($bindPipe,"InOut",100, "Byte", "Asynchronous", 32768, 32768, $PipeSecurity)
write-host "Waiting for a connection on management pipe: $bindPipe..."
$pipe.WaitForConnection()
write-host "Client Connected"
if ($remote -eq $false){
while($pipe.IsConnected){
$pipe.read($clientBuffer,0,16) | Out-Null
$tempPipe = [System.Text.Encoding]::ASCII.GetString($clientBuffer, 0, 16)
Write-Host "New Connection"
$serv = New-Object System.Net.Sockets.TcpClient($destHost, $destPort)
$vars = [PSCustomObject]@{"tcpConnection"=$serv;"bindPipe"=$tempPipe;"pipeSecurity"=$PipeSecurity}
$PS3 = [PowerShell]::Create()
$PS3.AddScript($SrvConnectionMgr).AddArgument($vars) | Out-Null
[System.IAsyncResult]$AsyncJobResult3 = $null
$AsyncJobResult3 = $PS3.BeginInvoke()
}
}else{
$listener = new-object System.Net.Sockets.TcpListener([System.Net.IPAddress]::Parse($bindIP), $bindPort)
$listener.start()
write-host "Listening on port $bindPort..."
while($pipe.IsConnected){
$client = $listener.AcceptTcpClient()
$tempPipe = Get-RandomPipeName
$clientBuffer = $enc.GetBytes($tempPipe)
Write-Host "New Connection"
$pipe.Write($clientBuffer,0,16)
$vars = [PSCustomObject]@{"tcpConnection"=$client;"bindPipe"=$tempPipe;"security"=$security}
$PS3 = [PowerShell]::Create()
$PS3.AddScript($SrvConnectionMgr).AddArgument($vars) | Out-Null
[System.IAsyncResult]$AsyncJobResult3 = $null
$AsyncJobResult3 = $PS3.BeginInvoke()
}
}
}
catch{
write-host $_.Exception
}
finally{
if ($listener -ne $null) {
$listener.Stop()
}
if ($pipe -ne $null) {
$pipe.Close()
$pipe.Dispose()
$pipe = $null
}
if ($PS3 -ne $null -and $AsyncJobResult3 -ne $null) {
$PS3.EndInvoke($AsyncJobResult3) | Out-Null
$PS3.Dispose()
}
write-host "Management Connection closed."
}
}
function Invoke-PiperClient{
param (
[String]$pipeHost,
[String]$destPipe,
[switch]$remote = $false,
[String]$bindIP = "0.0.0.0",
[Int]$bindPort,
[String]$destHost,
[Int]$destPort
)
$clientBuffer = new-object System.Byte[] 16
$enc = [system.Text.Encoding]::UTF8
try{
write-host "Attempting to connect to $pipeHost through management pipe: $destPipe"
$pipe= new-object System.IO.Pipes.NamedPipeClientStream($pipeHost, $destPipe, [System.IO.Pipes.PipeDirection]::InOut,
[System.IO.Pipes.PipeOptions]::None,
[System.Security.Principal.TokenImpersonationLevel]::Impersonation)
$pipe.connect()
write-host "Connected to $pipeHost through management pipe: $destPipe"
if ($remote -eq $false){
$listener = new-object System.Net.Sockets.TcpListener([System.Net.IPAddress]::Parse($bindIP), $bindPort)
$listener.start()
write-host "Listening on port $bindPort..."
while($pipe.IsConnected){
$client = $listener.AcceptTcpClient()
$tempPipe = Get-RandomPipeName
$clientBuffer = $enc.GetBytes($tempPipe)
Write-Host "New Connection"
$pipe.Write($clientBuffer,0,16)
$vars = [PSCustomObject]@{"tcpConnection"=$client;"destPipe"= $tempPipe;"pipeHost"=$pipeHost}
$PS3 = [PowerShell]::Create()
$PS3.AddScript($CliConnectionMgr).AddArgument($vars) | Out-Null
[System.IAsyncResult]$AsyncJobResult3 = $null
$AsyncJobResult3 = $PS3.BeginInvoke()
}
}
else{
while($pipe.IsConnected){
$pipe.read($clientBuffer,0,16) | Out-Null
Write-Host "New Connection"
$tempPipe = [System.Text.Encoding]::ASCII.GetString($clientBuffer, 0, 16)
$serv = New-Object System.Net.Sockets.TcpClient($destHost, $destPort)
$vars = [PSCustomObject]@{"tcpConnection"=$serv;"destPipe"= $tempPipe;"pipeHost"=$pipeHost}
$PS3 = [PowerShell]::Create()
$PS3.AddScript($CliConnectionMgr).AddArgument($vars) | Out-Null
[System.IAsyncResult]$AsyncJobResult3 = $null
$AsyncJobResult3 = $PS3.BeginInvoke()
}
}
}catch {
write-host $_.Exception
}
finally {
if ($listener -ne $null) {
$listener.Stop()
}
if ($pipe -ne $null) {
$pipe.Close()
$pipe.Dispose()
$pipe = $null
}
if ($PS3 -ne $null -and $AsyncJobResult3 -ne $null) {
$PS3.EndInvoke($AsyncJobResult3) | Out-Null
$PS3.Dispose()
}
write-host "Management Connection closed."
}
}
function Get-RandomPipeName{
$text = -join ((48..57) + (65..90) + (97..122) | Get-Random -Count 16 | % {[char]$_})
return $text
}
export-modulemember -function Invoke-PiperServer
export-modulemember -function Invoke-PiperClient