Function at 0x4d3d74
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffee4
push ebx
push esi
push edi
mov ebx, edx
mov esi, eax
test byte [esi + 0x1c], 0x10
je 0x4d3dc2
xor edx, edx
mov eax, esi
call fcn.004f70f8
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0
je 0x4d3dc2
mov eax, dword [ebp - 0x14]
cmp dword [eax + 0x2bc], 0
je 0x4d3dc2
mov ecx, ebx
mov eax, dword [ebp - 0x14]
mov eax, dword [eax + 0x2bc]
mov edx, esi
mov edi, dword [eax]
call dword [edi + 0x24]
test al, al
jne 0x4d404b
mov eax, dword [ebx]
cmp eax, 0x100
jb 0x4d3e04
cmp eax, 0x109
ja 0x4d3e04
mov dl, 1
mov eax, esi
call fcn.004f70f8
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0
je 0x4d4042
mov ecx, ebx
mov edx, esi
mov eax, dword [ebp - 0x14]
mov edi, dword [eax]
call dword [edi + 0x114]
test al, al
jne 0x4d404b
jmp 0x4d4042
mov eax, dword [ebx]
cmp eax, 0x200
jb 0x4d402b
cmp eax, 0x20e
ja 0x4d402b
test byte [esi + 0x50], 0x80
jne 0x4d3e36
sub eax, 0x203
je 0x4d3e33
sub eax, 3
je 0x4d3e33
sub eax, 3
jne 0x4d3e36
sub dword [ebx], 2
mov eax, dword [ebx]
add eax, 0xfffffe00
cmp eax, 7
ja case.0x4d3e46.516
jmp dword [eax*4 + 0x4d3e4d]
mov ecx, ebx
mov eax, dword [0x642ae4]
mov eax, dword [eax]
mov edx, esi
call fcn.00504250
jmp 0x4d4042
test byte [esi + 0x52], 8
je 0x4d4042
mov eax, dword [0x4d4054]
and eax, dword [esi + 0x54]
mov edx, dword [0x4d4058]
cmp edx, eax
jne 0x4d4042
mov eax, dword [0x648244]
call fcn.004e156c
test al, al
jne 0x4d4042
mov eax, dword [0x648244]
call fcn.004e14dc
mov byte [ebp - 0x15], 0
mov eax, dword [0x648244]
mov edi, dword [eax + 0x28]
test edi, edi
je 0x4d3f4b
mov eax, esi
mov edx, dword [0x4ca21c]
call fcn.004056c0
test al, al
je 0x4d3ef9
mov eax, esi
call fcn.004db6d8
mov edx, eax
mov eax, edi
mov ecx, esi
mov edi, dword [eax]
call dword [edi + 0xf4]
mov byte [ebp - 0x15], al
jmp 0x4d3f4b
cmp dword [esi + 0x34], 0
je 0x4d3f1a
mov eax, dword [esi + 0x34]
call fcn.004db6d8
mov edx, eax
mov eax, edi
mov ecx, esi
mov edi, dword [eax]
call dword [edi + 0xf4]
mov byte [ebp - 0x15], al
jmp 0x4d3f4b
xor edx, edx
mov eax, esi
call fcn.004f70f8
mov dword [ebp - 0x14], eax
cmp dword [ebp - 0x14], 0
je 0x4d3f4b
mov eax, dword [ebp - 0x14]
call fcn.004db6d8
mov edx, eax
mov eax, dword [0x648244]
mov eax, dword [eax + 0x28]
mov ecx, esi
mov edi, dword [eax]
call dword [edi + 0xf4]
mov byte [ebp - 0x15], al
cmp byte [ebp - 0x15], 0
je 0x4d3f69
mov dword [ebx + 0xc], 1
mov eax, dword [0x642ae4]
mov eax, dword [eax]
call fcn.005043ac
jmp 0x4d4042
mov eax, dword [0x648244]
cmp dword [eax + 0x28], 0
je 0x4d4042
xor edx, edx
mov eax, dword [0x648244]
call fcn.004e1648
jmp 0x4d4042
cmp byte [esi + 0x5f], 1
jne 0x4d3f9f
mov eax, esi
mov si, 0xffee
call fcn.00405730
jmp 0x4d404b
or dword [esi + 0x54], 1
jmp 0x4d4042
and dword [esi + 0x54], 0xfffffffe
jmp 0x4d4042
mov eax, dword [0x648244]
cmp byte [eax + 0x20], 0
je 0x4d4042
mov eax, dword [0x648244]
cmp dword [eax + 0x1c], 0
je 0x4d4042
mov eax, dword [ebx]
mov edx, dword [0x648244]
cmp eax, dword [edx + 0x1c]
jne 0x4d4042
lea eax, [ebp - 0x11a]
push eax
call sub.user32.dll_GetKeyboardState
mov eax, dword [ebx]
mov dword [ebp - 0x10], eax
lea eax, [ebp - 0x11a]
call fcn.004f6fd4
mov word [ebp - 0xc], ax
movzx eax, word [ebx + 4]
mov word [ebp - 0xa], ax
mov edx, dword [ebx + 8]
mov eax, edx
and eax, 0xffff
shr edx, 0x10
mov word [ebp - 0x1a], ax
mov word [ebp - 0x18], dx
mov eax, dword [ebp - 0x1a]
mov dword [ebp - 8], eax
lea edx, [ebp - 0x10]
mov eax, esi
mov si, 0xffc9
call fcn.00405730
jmp 0x4d404b
cmp eax, 0xb00b
jne 0x4d4042
mov edx, dword [ebx + 8]
push edx
mov ecx, dword [ebx + 4]
mov edx, eax
mov eax, esi
call fcn.004d22e4
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