Function at 0x473a13
Capabilities:
Create thread
Hide graphical window
Log keystrokes via polling
Set environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x150
mov dword [ebp - 0x108], 0x4ab264
mov dword [ebp - 4], 0x4ab248
mov al, byte [ebp + 0x14]
mov byte [0x4b240c], al
mov cl, byte [ebp + 0x10]
mov byte [0x4b240d], cl
mov edx, dword [ebp + 8]
mov dword [0x4b23f8], edx
mov eax, dword [ebp + 0xc]
mov dword [0x4b23f4], eax
mov ecx, 1
test ecx, ecx
je 0x473a64
mov dword [ebp - 0x144], 0
jmp 0x473a7e
mov edx, dword [0x4b23e8]
push edx
push 0x4ab230
call fcn.0047bf94
add esp, 8
mov dword [ebp - 0x144], eax
mov eax, dword [ebp + 0x18]
and eax, 0xff
test eax, eax
je 0x473b24
mov ecx, dword [ebp + 0x14]
and ecx, 0xff
test ecx, ecx
jne 0x473b24
mov byte [0x4b2419], 1
mov edx, 1
test edx, edx
je 0x473abb
mov dword [ebp - 0x148], 0
jmp 0x473ace
push 0x4ab214
call fcn.0047bf94
add esp, 4
mov dword [ebp - 0x148], eax
call dword [sym.imp.KERNEL32.dll_GetTickCount]
add eax, 0xfa
mov dword [ebp - 0x114], eax
push 0x4b2410
push 0
push 0
push 0x474019
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
xor eax, eax
mov al, byte [0x4b2419]
test eax, eax
je 0x473b1a
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [ebp - 0x114]
jae 0x473b1a
push 1
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x473af7
mov eax, 1
jmp 0x473d72
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
mov dword [0x4b2410], eax
xor ecx, ecx
mov cl, byte [0x4b2418]
test ecx, ecx
jne 0x473bf6
mov dword [ebp - 0x13c], 0
mov dword [ebp - 0x138], 0x473d76
mov dword [ebp - 0x134], 0
mov dword [ebp - 0x130], 0
mov edx, dword [0x4b23e8]
mov dword [ebp - 0x12c], edx
mov dword [ebp - 0x128], 0
xor eax, eax
mov al, byte [0x4b240c]
neg eax
sbb eax, eax
and al, 0xfe
add eax, 0x7f02
push eax
push 0
call dword [sym.imp.USER32.dll_LoadCursorA]
mov dword [ebp - 0x124], eax
mov dword [ebp - 0x120], 0
mov dword [ebp - 0x11c], 0
mov ecx, dword [ebp + 0x14]
and ecx, 0xff
test ecx, ecx
je 0x473bca
mov edx, dword [ebp - 4]
mov dword [ebp - 0x14c], edx
jmp 0x473bd6
mov eax, dword [ebp - 0x108]
mov dword [ebp - 0x14c], eax
mov ecx, dword [ebp - 0x14c]
mov dword [ebp - 0x118], ecx
lea edx, [ebp - 0x13c]
push edx
call dword [sym.imp.USER32.dll_RegisterClassA]
mov byte [0x4b2418], 1
mov eax, dword [ebp + 0x14]
and eax, 0xff
test eax, eax
je 0x473c38
mov dword [ebp - 0x140], 0
jmp 0x473c1d
mov ecx, dword [ebp - 0x140]
add ecx, 1
mov dword [ebp - 0x140], ecx
cmp dword [ebp - 0x140], 0x100
jge 0x473c38
mov edx, dword [ebp - 0x140]
push edx
call dword [sym.imp.USER32.dll_GetAsyncKeyState]
jmp 0x473c0e
push 0
call dword [sym.imp.USER32.dll_GetSystemMetrics]
sub eax, dword [0x4b23f8]
cdq
sub eax, edx
sar eax, 1
mov dword [ebp - 0x110], eax
push 1
call dword [sym.imp.USER32.dll_GetSystemMetrics]
sub eax, dword [0x4b23f4]
cdq
sub eax, edx
sar eax, 1
mov dword [ebp - 0x10c], eax
mov eax, dword [ebp + 0x14]
and eax, 0xff
test eax, eax
je 0x473c81
mov ecx, dword [ebp - 4]
mov dword [ebp - 0x150], ecx
jmp 0x473c8d
mov edx, dword [ebp - 0x108]
mov dword [ebp - 0x150], edx
push 0
mov eax, dword [0x4b23e8]
push eax
push 0
push 0
mov ecx, dword [0x4b23f4]
push ecx
mov edx, dword [0x4b23f8]
push edx
mov eax, dword [ebp - 0x10c]
push eax
mov ecx, dword [ebp - 0x110]
push ecx
xor edx, edx
mov dl, byte [0x4b240c]
neg edx
sbb edx, edx
and edx, 0xf8000000
add edx, 0x8000000
or edx, 0x80000000
push edx
push 0
mov eax, dword [ebp - 0x150]
push eax
mov ecx, dword [ebp + 0x10]
and ecx, 0xff
neg ecx
sbb ecx, ecx
and ecx, 0xffffff88
add ecx, 0x80
push ecx
call dword [sym.imp.USER32.dll_CreateWindowExA]
mov dword [0x4b2400], eax
push 4
mov edx, dword [0x4b2400]
push edx
call dword [sym.imp.USER32.dll_ShowWindow]
mov eax, dword [0x4b2400]
push eax
call dword [sym.imp.USER32.dll_UpdateWindow]
mov ecx, dword [ebp + 0x14]
and ecx, 0xff
test ecx, ecx
je 0x473d3a
push 0
push 0x64
push 2
mov edx, dword [0x4b2400]
push edx
call dword [sym.imp.USER32.dll_SetTimer]
mov eax, dword [0x4b2400]
push eax
push 0x4aaefc
lea ecx, [ebp - 0x104]
push ecx
call fcn.00486ffa
add esp, 0xc
lea edx, [ebp - 0x104]
push edx
push 0x4ab204
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
mov byte [0x4b2419], 0
mov eax, dword [0x4b2400]
mov esp, ebp
pop ebp
ret