Function at 0x504890
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffee8
push ebx
push esi
push edi
mov ebx, edx
mov esi, eax
test byte [esi + 0x1c], 0x10
je 0x5048de
xor edx, edx
mov eax, esi
call fcn.00578c0c
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0
je 0x5048de
mov eax, dword [ebp - 0x14]
cmp dword [eax + 0x318], 0
je 0x5048de
mov ecx, ebx
mov eax, dword [ebp - 0x14]
mov eax, dword [eax + 0x318]
mov edx, esi
mov edi, dword [eax]
call dword [edi + 0x28]
test al, al
jne 0x504b51
mov eax, dword [ebx]
cmp eax, 0x100
jb 0x504920
cmp eax, 0x109
ja 0x504920
mov dl, 1
mov eax, esi
call fcn.00578c0c
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0
je 0x504b48
mov ecx, ebx
mov edx, esi
mov eax, dword [ebp - 0x14]
mov edi, dword [eax]
call dword [edi + 0x1b8]
test al, al
jne 0x504b51
jmp 0x504b48
mov eax, dword [ebx]
cmp eax, 0x200
jb 0x504b31
cmp eax, 0x20e
ja 0x504b31
test byte [esi + 0x60], 0x80
jne 0x504952
sub eax, 0x203
je 0x50494f
sub eax, 3
je 0x50494f
sub eax, 3
jne 0x504952
sub dword [ebx], 2
mov eax, dword [ebx]
add eax, 0xfffffe00
cmp eax, 7
ja case.0x504962.516
jmp dword [eax*4 + 0x504969]
mov ecx, ebx
mov eax, dword [0x5a53b0]
mov eax, dword [eax]
mov edx, esi
call fcn.0058b700
jmp 0x504b48
test byte [esi + 0x62], 8
je 0x504b48
mov eax, dword [esi + 0x64]
and eax, dword [0x504b58]
mov edx, dword [0x504b5c]
cmp edx, eax
jne 0x504b48
mov eax, dword [0x5aca78]
call fcn.00513704
test al, al
jne 0x504b48
mov eax, dword [0x5aca78]
call fcn.00513688
mov byte [ebp - 0x15], 0
mov eax, dword [0x5aca78]
mov edi, dword [eax + 0x28]
test edi, edi
je 0x504a68
mov eax, esi
mov edx, dword [0x4f877c]
call fcn.004066f8
test al, al
je 0x504a16
mov eax, esi
call fcn.0050d054
mov edx, eax
mov eax, edi
mov ecx, esi
mov edi, dword [eax]
call dword [edi + 0x174]
mov byte [ebp - 0x15], al
jmp 0x504a68
cmp dword [esi + 0x40], 0
je 0x504a37
mov eax, dword [esi + 0x40]
call fcn.0050d054
mov edx, eax
mov eax, edi
mov ecx, esi
mov edi, dword [eax]
call dword [edi + 0x174]
mov byte [ebp - 0x15], al
jmp 0x504a68
xor edx, edx
mov eax, esi
call fcn.00578c0c
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0
je 0x504a68
mov eax, dword [ebp - 0x14]
call fcn.0050d054
mov edx, eax
mov eax, dword [0x5aca78]
mov eax, dword [eax + 0x28]
mov ecx, esi
mov edi, dword [eax]
call dword [edi + 0x174]
mov byte [ebp - 0x15], al
cmp byte [ebp - 0x15], 0
je 0x504a86
mov dword [ebx + 0xc], 1
mov eax, dword [0x5a53b0]
mov eax, dword [eax]
call fcn.0058b868
jmp 0x504b48
mov eax, dword [0x5aca78]
cmp dword [eax + 0x28], 0
je 0x504b48
xor edx, edx
mov eax, dword [0x5aca78]
call fcn.0051380c
jmp 0x504b48
cmp byte [esi + 0x6e], 1
jne 0x504abc
mov eax, esi
mov si, 0xffee
call fcn.004067e4
jmp 0x504b51
or dword [esi + 0x64], 1
jmp 0x504b48
and dword [esi + 0x64], 0xfffffffe
jmp 0x504b48
mov eax, dword [0x5aca78]
cmp byte [eax + 0x20], 0
je 0x504b48
mov eax, dword [0x5aca78]
cmp dword [eax + 0x1c], 0
je 0x504b48
mov eax, dword [ebx]
mov edx, dword [0x5aca78]
cmp eax, dword [edx + 0x1c]
jne 0x504b48
lea eax, [ebp - 0x115]
push eax
call sub.user32.dll_GetKeyboardState
mov eax, dword [ebx]
mov dword [ebp - 0x10], eax
lea eax, [ebp - 0x115]
call fcn.00578b08
mov word [ebp - 0xc], ax
movzx eax, word [ebx + 4]
mov word [ebp - 0xa], ax
mov eax, dword [ebx + 8]
call fcn.00410614
mov dword [ebp - 8], eax
lea edx, [ebp - 0x10]
mov eax, esi
mov si, 0xffc8
call fcn.004067e4
jmp 0x504b51
cmp eax, 0xb00b
jne 0x504b48
mov edx, dword [ebx + 8]
push edx
mov ecx, dword [ebx + 4]
mov edx, eax
mov eax, esi
call fcn.00502c10
mov edx, ebx
mov eax, esi
mov ecx, dword [eax]
call dword [ecx - 0x14]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret