Function at 0x43bfc0
Capabilities:
Check os version
Resolve function by parsing pe exports

Disassembly:
mov ecx, dword fs:[0x14]
mov ecx, dword [ecx]
cmp esp, dword [ecx + 0xc]
jbe 0x43c43f
sub esp, 0x2c
mov eax, dword fs:[0x14]
mov eax, dword [eax]
mov ecx, dword [esp + 0x30]
test ecx, ecx
je 0x43c41e
mov edx, dword [eax + 0x18]
nop
inc dword [edx + 0x78]
test byte [eax], al
mov edx, dword [esp + 0x38]
lea ebx, [edx + 7]
and ebx, 0xfffffff8
cmp ebx, 0x7ec
jge 0x43c408
mov dword [esp + 0x24], eax
mov dword [esp + 0x18], ebx
mov ecx, dword [eax + 0x18]
mov ecx, dword [ecx + 0x54]
mov dword [esp + 0x28], ecx
mov dword [esp], ecx
call fcn.0043c850
mov eax, dword [esp + 4]
test eax, eax
je 0x43c39b
mov ecx, dword [eax + 4]
test ecx, ecx
je 0x43c3f2
mov dword [esp + 0x20], eax
lea ecx, [eax + 0x48]
mov dword [esp], ecx
call fcn.00401fa0
cmp dword [esp + 4], 6
jne 0x43c3dc
mov eax, dword [esp + 0x20]
mov ecx, dword [eax + 4]
mov edx, dword [esp + 0x18]
sub ecx, edx
add ecx, 0xfffffff0
mov dword [esp + 0x14], ecx
mov edx, dword [esp + 0x38]
test edx, edx
jg 0x43c2fb
lea ecx, [eax + 0x1c]
mov dword [esp], ecx
mov dword [esp + 4], 0x1c
call fcn.0045e720
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x20]
mov dword [ecx + 0x1c], eax
mov dword [ecx + 0x40], eax
lea eax, [0x601f7c]
test byte [eax], al
mov eax, dword [0x601f7c]
inc eax
mov dword [ecx + 0x20], eax
mov eax, ecx
mov dword [eax + 0x24], ecx
mov ecx, dword [eax + 0x1c]
add ecx, 0xfffffffc
mov edx, ecx
nop
mov ebx, dword [esp + 0x30]
mov ebp, dword [ebx]
nop
mov esi, dword [eax + 0x20]
mov dword [ecx], esi
mov dword [eax + 0x1c], edx
mov dword [eax + 0x20], ebp
mov ecx, dword [0x770e60]
test ecx, ecx
jne 0x43c2e8
mov dword [eax + 0x28], ebx
mov ecx, dword [esp + 0x40]
mov dword [eax + 0xa4], ecx
mov ecx, dword [esp + 0x3c]
mov dword [esp], ecx
call fcn.0043c450
mov eax, dword [0x770e60]
mov ecx, dword [esp + 4]
test eax, eax
jne 0x43c2d2
mov edx, dword [esp + 0x20]
mov dword [edx + 0xa8], ecx
mov ecx, dword [esp + 0x30]
mov ecx, dword [ecx]
mov dword [edx + 0xac], ecx
mov ecx, dword [esp + 0x24]
mov ebx, dword [ecx + 0x18]
mov ebx, dword [ebx + 0x4c]
test ebx, ebx
je 0x43c146
mov ebp, dword [0x770e60]
mov eax, dword [ebx + 0xc4]
test ebp, ebp
jne 0x43c2c2
mov dword [edx + 0xc4], eax
mov dword [esp], edx
mov byte [esp + 4], 0
call fcn.00452a20
movzx eax, byte [esp + 8]
test al, al
jne 0x43c2a7
mov eax, dword [esp + 0x20]
mov dword [esp], eax
mov dword [esp + 4], 6
mov dword [esp + 8], 1
call fcn.00436240
mov eax, dword [esp + 0x28]
mov ecx, dword [eax + 0x308]
cmp dword [eax + 0x310], ecx
sete cl
mov edx, dword [eax + 0x30c]
cmp dword [eax + 0x314], edx
sete dl
and edx, ecx
test dl, dl
jne 0x43c238
mov ecx, dword [eax + 0x308]
mov edx, dword [eax + 0x30c]
mov ebx, dword [esp + 0x20]
mov dword [ebx + 0x50], ecx
mov dword [ebx + 0x54], edx
mov ecx, dword [eax + 0x308]
add ecx, 1
mov edx, dword [eax + 0x30c]
mov dword [eax + 0x308], ecx
adc edx, 0
mov dword [eax + 0x30c], edx
movzx eax, byte [0x75cf28]
test al, al
jne 0x43c220
mov eax, dword [esp + 0x24]
mov eax, dword [eax + 0x18]
mov ecx, dword fs:[0x14]
mov ecx, dword [ecx]
mov edx, dword [eax + 0x78]
lea ebp, [edx - 1]
mov dword [eax + 0x78], ebp
cmp edx, 1
jne 0x43c218
movzx eax, byte [ecx + 0x65]
test al, al
je 0x43c218
mov dword [ecx + 8], 0xfffffade
mov dword [esp + 0x44], ebx
add esp, 0x2c
ret
mov eax, dword [ebx + 0xac]
mov dword [esp], ebx
mov dword [esp + 4], eax
call fcn.0044f210
mov ebx, dword [esp + 0x20]
jmp 0x43c1e7
lea eax, [0x7537e0]
mov dword [esp], eax
mov dword [esp + 8], 0
mov dword [esp + 4], 0x10
call fcn.004020d0
mov eax, dword [esp + 0xc]
mov ecx, eax
add eax, 0xfffffff1
mov edx, ecx
add ecx, 1
mov ebx, dword [esp + 0x10]
mov ebp, dword [esp + 0x28]
mov dword [ebp + 0x30c], ebx
mov dword [ebp + 0x308], edx
mov dword [ebp + 0x308], eax
mov eax, edx
add edx, 0xfffffff1
mov edx, ebx
adc ebx, 0xffffffff
mov dword [ebp + 0x30c], ebx
mov dword [ebp + 0x310], ecx
add eax, 1
adc edx, 0
mov dword [ebp + 0x314], edx
mov eax, ebp
jmp 0x43c1a8
lea eax, [0x753820]
mov dword [esp], eax
mov dword [esp + 4], 1
call fcn.004020b0
jmp 0x43c160
lea edi, [edx + 0xc4]
call fcn.0045df70
jmp 0x43c146
mov edx, dword [esp + 0x20]
lea edi, [edx + 0xa8]
mov eax, ecx
call fcn.0045df70
jmp 0x43c112
lea edi, [eax + 0x28]
mov ecx, eax
mov eax, ebx
call fcn.0045df70
mov eax, ecx
jmp 0x43c0e0
mov dword [esp], ecx
mov ecx, dword [esp + 0x34]
mov dword [esp + 4], ecx
mov dword [esp + 8], edx
call fcn.0045e900
movzx eax, byte [0x770e64]
test al, al
je 0x43c395
mov eax, dword [esp + 0x24]
mov ecx, dword [eax + 0x18]
mov ecx, dword [ecx + 0x4c]
movzx ecx, byte [ecx + 0x6a]
test cl, cl
je 0x43c335
mov eax, dword [esp + 0x20]
jmp 0x43c07c
mov eax, dword [esp + 0x30]
mov ecx, dword [eax]
mov dword [esp], ecx
call fcn.0044a560
mov eax, dword [esp + 4]
movzx ecx, byte [eax + 0x27]
test cl, cl
ja 0x43c387
xor eax, eax
mov ecx, dword [eax + 4]
test ecx, ecx
jg 0x43c35e
mov eax, dword [esp + 0x24]
jmp 0x43c32c
nop
mov edx, dword [esp + 0x14]
mov dword [esp], edx
mov dword [esp + 4], edx
shl ecx, 2
mov dword [esp + 8], ecx
mov dword [esp + 0xc], 0
add eax, 8
mov dword [esp + 0x10], eax
call fcn.00411700
jmp 0x43c358
lea ecx, [eax + 0x27]
mov edx, dword [eax + 0x1c]
lea ecx, [ecx + edx*4 + 1]
mov eax, dword [ecx]
jmp 0x43c351
mov eax, dword [esp + 0x24]
jmp 0x43c32c
mov dword [esp], 0x800
call fcn.0043be90
mov eax, dword [esp + 4]
mov dword [esp + 0x1c], eax
mov dword [esp], eax
mov dword [esp + 4], 0
mov dword [esp + 8], 6
call fcn.00436240
mov eax, dword [esp + 0x1c]
mov dword [esp], eax
call fcn.00435400
mov eax, dword [esp + 0x1c]
jmp 0x43c037
lea eax, [0x5f48d4]
mov dword [esp], eax
mov dword [esp + 4], 0x1c
call fcn.004321a0
lea eax, [0x5f48f0]
mov dword [esp], eax
mov dword [esp + 4], 0x1c
call fcn.004321a0
lea eax, [0x5fb61d]
mov dword [esp], eax
mov dword [esp + 4], 0x37
call fcn.004321a0
mov eax, dword [eax + 0x18]
mov dword [eax + 0x6c], 0xffffffff
lea eax, [0x5f0c4f]
mov dword [esp], eax
mov dword [esp + 4], 0x14
call fcn.004321a0
nop
call fcn.0045b2a0
jmp fcn.0043bfc0