Function at 0x643814
Capabilities:
Log keystrokes via polling

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffde4
push ebx
push esi
xor ecx, ecx
mov dword [ebp - 0x21c], ecx
mov dword [ebp - 0x218], ecx
mov dword [ebp - 0x214], ecx
mov dword [ebp - 0x210], ecx
mov dword [ebp - 0x20c], ecx
mov ebx, edx
mov dword [ebp - 4], eax
xor eax, eax
push ebp
push 0x643a95
push dword fs:[eax]
mov dword fs:[eax], esp
cmp ebx, 1
jl 0x643877
lea edx, [ebp - 0x20c]
mov eax, dword [ebp - 4]
call fcn.00643240
mov eax, dword [ebp - 0x20c]
mov edx, ebx
call fcn.0042cd44
cmp al, 1
jne 0x643877
dec ebx
mov dword [ebp - 8], ebx
mov eax, dword [ebp - 4]
call fcn.006435ec
test al, al
je 0x643a1c
cmp dword [ebp - 8], 0
jge 0x643895
xor eax, eax
mov dword [ebp - 8], eax
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.00643f38
mov dword [ebp - 8], eax
mov ebx, dword [ebp - 8]
inc ebx
lea edx, [ebp - 0x210]
mov eax, dword [ebp - 4]
call fcn.00643240
mov eax, dword [ebp - 0x210]
test eax, eax
je 0x6438c4
sub eax, 4
mov eax, dword [eax]
cmp ebx, eax
jge 0x6438f8
lea edx, [ebp - 0x214]
mov eax, dword [ebp - 4]
call fcn.00643240
mov eax, dword [ebp - 0x214]
movzx eax, word [eax + ebx*2 - 2]
cmp ax, 0xd800
jb 0x6438ed
cmp ax, 0xdfff
jbe 0x6438f1
xor eax, eax
jmp 0x6438f3
mov al, 1
test al, al
je 0x6438f8
inc ebx
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x2d8]
cmp eax, dword [ebp - 8]
jg 0x64390c
mov dword [ebp - 8], eax
mov ebx, dword [ebp - 8]
mov ecx, ebx
mov edx, ebx
mov eax, dword [ebp - 4]
call fcn.006437f0
cmp ebx, dword [ebp - 8]
je 0x643a0e
lea eax, [ebp - 0x108]
push eax
call sub.user32.dll_GetKeyboardState
mov edx, pe_nt_image_headers32
lea eax, [ebp - 0x208]
mov byte [eax], 0
inc eax
dec edx
jne 0x643938
mov byte [ebp - 0x1f8], 0x81
mov eax, dword [ebp - 4]
mov si, 0xffc5
call fcn.00408c70
and eax, 0x7f
movzx eax, word [eax*2 + 0x7a4ff0]
mov byte [ebp + eax - 0x208], 0x81
lea eax, [ebp - 0x208]
push eax
call sub.user32.dll_SetKeyboardState
mov eax, dword [ebp - 4]
mov byte [eax + 0x2ec], 1
xor eax, eax
push ebp
push 0x6439fb
push dword fs:[eax]
mov dword fs:[eax], esp
push 1
mov eax, dword [ebp - 4]
mov si, 0xffc5
call fcn.00408c70
and eax, 0x7f
movzx eax, word [eax*2 + 0x7a4ff0]
push eax
push pe_nt_image_headers32
mov eax, dword [ebp - 4]
call fcn.00538a74
push eax
call sub.user32.dll_SendMessageW
push 1
mov eax, dword [ebp - 4]
mov si, 0xffc5
call fcn.00408c70
and eax, 0x7f
movzx eax, word [eax*2 + 0x7a4ff0]
push eax
push 0x101
mov eax, dword [ebp - 4]
call fcn.00538a74
push eax
call sub.user32.dll_SendMessageW
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x643a02
mov eax, dword [ebp - 4]
mov byte [eax + 0x2ec], 0
ret
mov eax, dword [ebp - 4]
mov edx, dword [ebp - 8]
mov dword [eax + 0x2e0], edx
jmp 0x643a77
cmp dword [ebp - 8], 0
jge 0x643a27
xor eax, eax
mov dword [ebp - 8], eax
lea edx, [ebp - 0x218]
mov eax, dword [ebp - 4]
call fcn.00643240
mov eax, dword [ebp - 0x218]
test eax, eax
je 0x643a44
sub eax, 4
mov eax, dword [eax]
cmp eax, dword [ebp - 8]
jg 0x643a69
lea edx, [ebp - 0x21c]
mov eax, dword [ebp - 4]
call fcn.00643240
mov eax, dword [ebp - 0x21c]
test eax, eax
je 0x643a66
sub eax, 4
mov eax, dword [eax]
mov dword [ebp - 8], eax
mov ecx, dword [ebp - 8]
mov edx, dword [ebp - 8]
mov eax, dword [ebp - 4]
call fcn.006437f0
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
push 0x643a9c
lea eax, [ebp - 0x21c]
mov edx, 5
call fcn.0040a6e4
ret