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Update record-mic.ps1
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Markus Fleschutz
parent
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commit
53d6c54402
@ -1,26 +1,179 @@
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function Get-MicrophoneAudio {
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<#
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.SYNOPSIS
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record-mic.ps1 [<seconds>] [<path>]
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Records audio from the microphone and saves to a file on disk
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Author: Justin Warner (@sixdub)
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License: BSD 3-Clause
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Required Dependencies: None
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Optional Dependencies: None
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All credit for PowerSploit functions belongs to the original author and project contributors. Thanks for the awesomeness! See here for more info:
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http://www.exploit-monday.com/2012/05/accessing-native-windows-api-in.html
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https://github.com/PowerShellMafia/PowerSploit
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Thanks to Ed Wilson (Scripting Guy) for the one liner to generate random chars. https://blogs.technet.microsoft.com/heyscriptingguy/2015/11/05/generate-random-letters-with-powershell/
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.DESCRIPTION
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Records audio from the microphone (WAV or MP3 format)
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Get-MicrophoneAudio utilizes the Windows API from winmm.dll to record audio from the microphone and saves the wave file to disk.
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.OUTPUTS
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Outputs the FileInfo object pointing to the recording which has been saved to disk.
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.PARAMETER Path
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The location to save the audio
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.PARAMETER Length
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The length of the audio to record in seconds. Default: 30
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.PARAMETER Alias
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The alias to use for the WinMM recording. Default: Random 10 Chars
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.EXAMPLE
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PS> .\record-mic.ps1
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz
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License: CC0
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Get-MicrophoneAudio -Path c:\windows\temp\secret.wav -Length 10 -Alias "SECRET"
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Description
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-----------
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Records 10 seconds of audio to the path C:\windows\temp\secret.wav using WinMM alias "secret"
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#>
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[OutputType([System.IO.FileInfo])]
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Param
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(
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[Parameter( Position = 0, Mandatory = $True)]
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[ValidateScript({Split-Path $_ | Test-Path})]
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[String] $Path,
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[Parameter( Position = 1, Mandatory = $False)]
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[Int] $Length = 30,
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[Parameter( Position = 2, Mandatory = $False)]
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[String] $Alias = $(-join ((65..90) + (97..122) | Get-Random -Count 10 | % {[char]$_}))
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param([int]$seconds = 10, [string]$path = "$HOME/mic.wav")
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)
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try {
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Add-Type -Path PSCore.dll
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$Recording = [PSCore.LoopbackRecorder] $Recording::StartRecording("$path")
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Start-Sleep -s $seconds
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$Recording::StopRecording()
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exit 0
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} catch {
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write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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#Get-DelegateType from PowerSploit
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function Local:Get-DelegateType
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{
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Param
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(
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[OutputType([Type])]
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[Parameter( Position = 0)]
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[Type[]]
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$Parameters = (New-Object Type[](0)),
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[Parameter( Position = 1 )]
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[Type]
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$ReturnType = [Void]
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)
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$Domain = [AppDomain]::CurrentDomain
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$DynAssembly = New-Object System.Reflection.AssemblyName('ReflectedDelegate')
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$AssemblyBuilder = $Domain.DefineDynamicAssembly($DynAssembly, [System.Reflection.Emit.AssemblyBuilderAccess]::Run)
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$ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('InMemoryModule', $false)
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$TypeBuilder = $ModuleBuilder.DefineType('MyDelegateType', 'Class, Public, Sealed, AnsiClass, AutoClass', [System.MulticastDelegate])
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$ConstructorBuilder = $TypeBuilder.DefineConstructor('RTSpecialName, HideBySig, Public', [System.Reflection.CallingConventions]::Standard, $Parameters)
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$ConstructorBuilder.SetImplementationFlags('Runtime, Managed')
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$MethodBuilder = $TypeBuilder.DefineMethod('Invoke', 'Public, HideBySig, NewSlot, Virtual', $ReturnType, $Parameters)
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$MethodBuilder.SetImplementationFlags('Runtime, Managed')
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Write-Output $TypeBuilder.CreateType()
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}
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#Get-ProcAddress from PowerSploit
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function local:Get-ProcAddress
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{
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Param
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(
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[OutputType([IntPtr])]
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[Parameter( Position = 0, Mandatory = $True )]
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[String]
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$Module,
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[Parameter( Position = 1, Mandatory = $True )]
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[String]
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$Procedure
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)
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# Get a reference to System.dll in the GAC
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$SystemAssembly = [AppDomain]::CurrentDomain.GetAssemblies() |
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Where-Object { $_.GlobalAssemblyCache -And $_.Location.Split('\\')[-1].Equals('System.dll') }
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$UnsafeNativeMethods = $SystemAssembly.GetType('Microsoft.Win32.UnsafeNativeMethods')
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# Get a reference to the GetModuleHandle and GetProcAddress methods
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$GetModuleHandle = $UnsafeNativeMethods.GetMethod('GetModuleHandle')
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$GetProcAddress = $UnsafeNativeMethods.GetMethod('GetProcAddress')
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# Get a handle to the module specified
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$Kern32Handle = $GetModuleHandle.Invoke($null, @($Module))
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$tmpPtr = New-Object IntPtr
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$HandleRef = New-Object System.Runtime.InteropServices.HandleRef($tmpPtr, $Kern32Handle)
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# Return the address of the function
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Write-Output $GetProcAddress.Invoke($null, @([System.Runtime.InteropServices.HandleRef]$HandleRef, $Procedure))
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}
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#Initialize and call LoadLibrary on our required DLL
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$LoadLibraryAddr = Get-ProcAddress kernel32.dll LoadLibraryA
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$LoadLibraryDelegate = Get-DelegateType @([String]) ([IntPtr])
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$LoadLibrary = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($LoadLibraryAddr, $LoadLibraryDelegate)
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$HND = $null
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$HND = $LoadLibrary.Invoke('winmm.dll')
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if ($HND -eq $null)
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{
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Throw 'Failed to aquire handle to winmm.dll'
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}
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#Initialize the function call to count devices
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$waveInGetNumDevsAddr = $null
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$waveInGetNumDevsAddr = Get-ProcAddress winmm.dll waveInGetNumDevs
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$waveInGetNumDevsDelegate = Get-DelegateType @() ([Uint32])
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if ($waveInGetNumDevsAddr -eq $null)
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{
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Throw 'Failed to aquire address to WaveInGetNumDevs'
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}
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$waveInGetNumDevs = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($waveInGetNumDevsAddr, $waveInGetNumDevsDelegate)
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#Initilize the function call to record audio
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$mciSendStringAddr = $null
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$mciSendStringAddr = Get-ProcAddress winmm.dll mciSendStringA
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$mciSendStringDelegate = Get-DelegateType @([String],[String],[UInt32],[IntPtr]) ([Uint32])
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if ($mciSendStringAddr -eq $null)
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{
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Throw 'Failed to aquire address to mciSendStringA'
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}
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$mciSendString = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($mciSendStringAddr, $mciSendStringDelegate)
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#Initialize the ability to resolve MCI Errors
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$mciGetErrorStringAddr = $null
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$mciGetErrorStringAddr = Get-ProcAddress winmm.dll mciGetErrorStringA
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$mciGetErrorStringDelegate = Get-DelegateType @([UInt32],[Text.StringBuilder],[UInt32]) ([bool])
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if ($mciGetErrorStringAddr -eq $null)
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{
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Throw 'Failed to aquire address to mciGetErrorString'
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}
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$mciGetErrorString = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($mciGetErrorStringAddr,$mciGetErrorStringDelegate)
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#Get device count
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$DeviceCount = $waveInGetNumDevs.Invoke()
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if ($DeviceCount -gt 0)
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{
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#Define buffer for MCI errors. https://msdn.microsoft.com/en-us/library/windows/desktop/dd757153(v=vs.85).aspx
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$errmsg = New-Object Text.StringBuilder 150
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#Open an alias
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$rtnVal = $mciSendString.Invoke("open new Type waveaudio Alias $alias",'',0,0)
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if ($rtnVal -ne 0) {$mciGetErrorString.Invoke($rtnVal,$errmsg,150); $msg=$errmsg.ToString();Throw "MCI Error ($rtnVal): $msg"}
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#Call recording function
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$rtnVal = $mciSendString.Invoke("record $alias", '', 0, 0)
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if ($rtnVal -ne 0) {$mciGetErrorString.Invoke($rtnVal,$errmsg,150); $msg=$errmsg.ToString();Throw "MCI Error ($rtnVal): $msg"}
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Start-Sleep -s $Length
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#save recorded audio to disk
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$rtnVal = $mciSendString.Invoke("save $alias `"$path`"", '', 0, 0)
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if ($rtnVal -ne 0) {$mciGetErrorString.Invoke($rtnVal,$errmsg,150); $msg=$errmsg.ToString();Throw "MCI Error ($rtnVal): $msg"}
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#terminate alias
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$rtnVal = $mciSendString.Invoke("close $alias", '', 0, 0);
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if ($rtnVal -ne 0) {$mciGetErrorString.Invoke($rtnVal,$errmsg,150); $msg=$errmsg.ToString();Throw "MCI Error ($rtnVal): $msg"}
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$OutFile = Get-ChildItem -path $path
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Write-Output $OutFile
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}
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else
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{
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Throw 'Failed to enumerate any recording devices'
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}
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}
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