Function at 0x50b190
Capabilities:
Create thread
Hide graphical window
Log keystrokes via polling
Set environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5647f4
mov eax, dword fs:[0]
push eax
sub esp, 0x1bc
mov eax, dword [0x582f40]
xor eax, ebp
mov dword [ebp - 0x10], eax
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
push 0x586954
lea ecx, [ebp - 0x138]
call fcn.004ce640
mov dword [ebp - 4], 0
push 0x586920
lea ecx, [ebp - 0x154]
call fcn.004ce640
mov byte [ebp - 4], 1
mov al, byte [ebp + 0x14]
mov byte [0x59dea0], al
mov cl, byte [ebp + 0x10]
mov byte [0x59dea1], cl
mov edx, dword [ebp + 8]
mov dword [0x59de8c], edx
mov eax, dword [ebp + 0xc]
mov dword [0x59de88], eax
movzx ecx, byte [ebp + 0x18]
test ecx, ecx
je 0x50b2b2
movzx edx, byte [ebp + 0x14]
test edx, edx
jne 0x50b2b2
mov byte [0x59dead], 1
call dword [sym.imp.KERNEL32.dll_GetTickCount]
add eax, 0xfa
mov dword [ebp - 0x17c], eax
push 0x59dea4
push 0
push 0
push 0x50b850
push 0
push 0
call dword [sym.imp.KERNEL32.dll_CreateThread]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
movzx eax, byte [0x59dead]
test eax, eax
je 0x50b27a
call dword [sym.imp.KERNEL32.dll_GetTickCount]
cmp eax, dword [ebp - 0x17c]
jae 0x50b27a
push 1
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x50b257
mov dword [ebp - 0x1ac], 1
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x154]
call fcn.004c4b50
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x138]
call fcn.004c4b50
mov eax, dword [ebp - 0x1ac]
jmp 0x50b5b1
call dword [sym.imp.KERNEL32.dll_GetCurrentThreadId]
mov dword [0x59dea4], eax
movzx ecx, byte [0x59deac]
test ecx, ecx
jne 0x50b38e
mov dword [ebp - 0x1a4], 0
mov dword [ebp - 0x1a0], 0x50b5d0
mov dword [ebp - 0x19c], 0
mov dword [ebp - 0x198], 0
mov edx, dword [0x59cdbc]
mov dword [ebp - 0x194], edx
mov dword [ebp - 0x190], 0
movzx eax, byte [0x59dea0]
neg eax
sbb eax, eax
and eax, 0xfffffffe
add eax, 0x7f02
push eax
push 0
call dword [sym.imp.USER32.dll_LoadCursorA]
mov dword [ebp - 0x18c], eax
mov dword [ebp - 0x188], 0
mov dword [ebp - 0x184], 0
movzx ecx, byte [ebp + 0x14]
test ecx, ecx
je 0x50b35b
lea ecx, [ebp - 0x154]
call fcn.004c4bb0
mov dword [ebp - 0x1bc], eax
jmp 0x50b36c
lea ecx, [ebp - 0x138]
call fcn.004c4bb0
mov dword [ebp - 0x1bc], eax
mov edx, dword [ebp - 0x1bc]
mov dword [ebp - 0x180], edx
lea eax, [ebp - 0x1a4]
push eax
call fcn.004ffe20
add esp, 4
mov byte [0x59deac], 1
movzx ecx, byte [ebp + 0x14]
test ecx, ecx
je 0x50b3cc
mov dword [ebp - 0x1a8], 0
jmp 0x50b3b1
mov edx, dword [ebp - 0x1a8]
add edx, 1
mov dword [ebp - 0x1a8], edx
cmp dword [ebp - 0x1a8], 0x100
jge 0x50b3cc
mov eax, dword [ebp - 0x1a8]
push eax
call dword [sym.imp.USER32.dll_GetAsyncKeyState]
jmp 0x50b3a2
push 0
call dword [sym.imp.USER32.dll_GetSystemMetrics]
sub eax, dword [0x59de8c]
cdq
sub eax, edx
sar eax, 1
mov dword [ebp - 0x174], eax
push 1
call dword [sym.imp.USER32.dll_GetSystemMetrics]
sub eax, dword [0x59de88]
cdq
sub eax, edx
sar eax, 1
mov dword [ebp - 0x178], eax
movzx ecx, byte [ebp + 0x14]
test ecx, ecx
je 0x50b414
lea edx, [ebp - 0x154]
mov dword [ebp - 0x1c0], edx
jmp 0x50b420
lea eax, [ebp - 0x138]
mov dword [ebp - 0x1c0], eax
mov ecx, dword [ebp - 0x1c0]
mov dword [ebp - 0x1b0], ecx
mov edx, dword [ebp - 0x1b0]
push edx
lea ecx, [ebp - 0x74]
call fcn.004b41e0
mov byte [ebp - 4], 2
push 0
mov eax, dword [0x59cdbc]
push eax
push 0
push 0
mov ecx, dword [0x59de88]
push ecx
mov edx, dword [0x59de8c]
push edx
mov eax, dword [ebp - 0x178]
push eax
mov ecx, dword [ebp - 0x174]
push ecx
movzx edx, byte [0x59dea0]
neg edx
sbb edx, edx
and edx, 0xf8000000
add edx, 0x8000000
or edx, 0x80000000
push edx
push 0x59dcb8
lea eax, [ebp - 0x74]
push eax
movzx ecx, byte [ebp + 0x10]
neg ecx
sbb ecx, ecx
and ecx, 0xffffff88
add ecx, 0x80
push ecx
call fcn.005001a0
add esp, 0x30
mov dword [0x59de94], eax
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x74]
call fcn.004b4260
push 4
mov edx, dword [0x59de94]
push edx
call dword [sym.imp.USER32.dll_ShowWindow]
mov eax, dword [0x59de94]
push eax
call dword [sym.imp.USER32.dll_UpdateWindow]
movzx ecx, byte [ebp + 0x14]
test ecx, ecx
je 0x50b4ef
push 0
push 0x64
push 2
mov edx, dword [0x59de94]
push edx
call dword [sym.imp.USER32.dll_SetTimer]
mov eax, dword [0x59de94]
mov dword [ebp - 0x1b4], eax
lea ecx, [ebp - 0x1b4]
push ecx
push 0x586918
lea ecx, [ebp - 0x11c]
call fcn.004b91a0
mov dword [ebp - 0x1c4], eax
mov edx, dword [ebp - 0x1c4]
mov dword [ebp - 0x1c8], edx
mov byte [ebp - 4], 3
mov ecx, dword [ebp - 0x1c8]
call fcn.0050b9e0
push eax
lea eax, [ebp - 0x170]
push eax
call fcn.004b9300
add esp, 8
mov byte [ebp - 4], 5
lea ecx, [ebp - 0x11c]
call fcn.004b6d70
lea ecx, [ebp - 0x170]
call fcn.004c4a80
push eax
push 0x586908
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableA]
mov byte [0x59dead], 0
mov ecx, dword [0x59de94]
mov dword [ebp - 0x1b8], ecx
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x170]
call fcn.004c4940
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x154]
call fcn.004c4b50
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x138]
call fcn.004c4b50
mov eax, dword [ebp - 0x1b8]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0051c663
mov esp, ebp
pop ebp
ret