Function at 0x4aa0f0
Capabilities:
Check os version

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x6622e8
push eax
mov dword fs:[0], esp
sub esp, 0x20
push ebx
mov ebx, ecx
push ebp
push esi
mov eax, dword [ebx + 0x88]
push edi
cmp eax, 2
jne 0x4aa126
cmp dword [ebx + 0xa8], 5
jne 0x4aa29a
cmp dword [ebx + 0x78], 0xffffffff
jne 0x4aa29a
mov ecx, ebx
mov dword [esp + 0x18], 0
call fcn.004af510
mov ebp, eax
mov ecx, ebp
mov dword [esp + 0x1c], ebp
call fcn.004477a0
mov ecx, dword [eax + 4]
test ecx, ecx
jg 0x4aa29a
push ebx
mov ecx, eax
call fcn.004c0890
test eax, eax
jne 0x4aa29a
test ebp, ebp
je 0x4aa180
mov eax, dword [ebp + 0x70]
mov ecx, dword [eax + 0x24]
test ecx, ecx
je 0x4aa29a
mov eax, dword [eax + 0x28]
mov dword [esp + 0x18], eax
mov edi, dword [esp + 0x44]
mov ecx, dword [esp + 0x40]
push edi
push ecx
mov ecx, dword [ebx + 0xa4]
call fcn.004b2180
mov esi, eax
test esi, esi
je 0x4aa29a
cmp dword [ebx + 0xa0], 2
jne 0x4aa1c9
test ebp, ebp
je 0x4aa29a
mov ebp, dword [ebp + 0x70]
mov eax, dword [ebp + 0x4c]
test eax, eax
jne 0x4aa1c9
mov ecx, esi
call fcn.004b7410
test al, 0x40
je 0x4aa29a
mov ebp, dword [esp + 0x48]
mov eax, dword [esp + 0x40]
mov edx, dword [esi]
push ebp
push edi
push eax
mov ecx, esi
call dword [edx + 0x134]
cmp eax, 0xffffffff
je 0x4aa216
mov ecx, dword [ebp + 8]
mov edx, dword [ebx + 0x1c]
cmp ecx, edx
jne 0x4aa29a
test ebp, ebp
je 0x4aa29d
cmp dword [ebp], 0x2c
jne 0x4aa29d
mov ebp, dword [ebp + 0x28]
test ebp, ebp
je 0x4aa29d
mov dword [ebp + 0x1c], esi
jmp 0x4aa29d
mov eax, dword [esi + 0x4c]
test eax, eax
jne 0x4aa247
mov eax, dword [esi + 0x44]
test eax, eax
jg 0x4aa247
mov eax, dword [esi + 0x118]
test eax, eax
je 0x4aa244
mov ecx, dword [eax + 0x28]
test ecx, ecx
jg 0x4aa23e
mov edx, dword [eax + 0x24]
mov dword [esp + 0x48], edx
jmp 0x4aa24b
mov dword [esp + 0x48], ecx
jmp 0x4aa24b
mov eax, dword [esi + 0x40]
mov dword [esp + 0x48], eax
lea ecx, [esi + 0x7c]
mov edx, dword [esi + 0x7c]
mov dword [esp + 0x20], edx
mov eax, dword [ecx + 4]
mov dword [esp + 0x24], eax
mov edx, dword [ecx + 8]
mov dword [esp + 0x28], edx
mov edx, dword [esi]
mov eax, dword [ecx + 0xc]
mov ecx, esi
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x14]
push eax
call dword [edx + 0x58]
mov ecx, dword [esp + 0x14]
mov dword [esp + 0x38], 0
mov eax, dword [ecx - 8]
test eax, eax
jne 0x4aa2b2
lea ecx, [esp + 0x14]
mov dword [esp + 0x38], 0xffffffff
call fcn.00622566
or eax, 0xffffffff
mov ecx, dword [esp + 0x30]
pop edi
pop esi
pop ebp
mov dword fs:[0], ecx
pop ebx
add esp, 0x2c
ret 0xc
lea edx, [esi + 0x9c]
lea ecx, [esp + 0x10]
push edx
call fcn.006222db
mov eax, dword [esp + 0x1c]
mov byte [esp + 0x38], 1
test eax, eax
je 0x4aa388
mov eax, dword [esp + 0x18]
test eax, eax
je 0x4aa388
mov eax, dword [esp + 0x10]
mov ecx, dword [eax - 8]
test ecx, ecx
jne 0x4aa320
lea ecx, [esi + 0xa0]
push ecx
lea ecx, [esp + 0x14]
call fcn.0062269f
mov ecx, dword [esp + 0x1c]
mov edi, dword [esi + 0x40]
call fcn.00446060
mov edx, dword [eax]
lea ecx, [esp + 0x10]
push ecx
push edi
mov ecx, eax
call dword [edx + 0x50]
test eax, eax
jne 0x4aa320
lea ecx, [esp + 0x10]
call fcn.006224f1
mov edx, dword [esp + 0x10]
mov eax, dword [edx - 8]
test eax, eax
jle 0x4aa388
mov eax, dword [esp + 0x14]
cmp byte [eax], 0x3c
je 0x4aa388
lea ecx, [esp + 0x10]
lea edx, [esp + 0x1c]
push ecx
push 0x764c8c
push edx
call fcn.0062286f
push 0x764c88
push eax
lea eax, [esp + 0x48]
mov byte [esp + 0x40], 2
push eax
call fcn.006227fb
push eax
lea ecx, [esp + 0x18]
mov byte [esp + 0x3c], 3
call fcn.0062297e
lea ecx, [esp + 0x40]
mov byte [esp + 0x38], 2
call fcn.00622566
lea ecx, [esp + 0x1c]
mov byte [esp + 0x38], 1
call fcn.00622566
mov edx, dword [esi]
lea eax, [esp + 0x40]
push eax
mov ecx, esi
call dword [edx + 0x54]
mov edi, eax
mov ecx, ebx
mov byte [esp + 0x38], 4
call fcn.004affa0
push eax
lea ecx, [esp + 0x18]
push edi
mov edi, dword [esp + 0x50]
lea edx, [esp + 0x1c]
push ecx
mov ecx, dword [esp + 0x2c]
push edx
push edi
mov edx, dword [esp + 0x38]
sub esp, 0x10
mov eax, esp
mov dword [eax], ecx
mov ecx, dword [esp + 0x4c]
mov dword [eax + 4], edx
mov edx, dword [esp + 0x50]
mov dword [eax + 8], ecx
mov dword [eax + 0xc], edx
mov eax, dword [ebx + 0x1c]
push eax
push ebp
call fcn.00484060
add esp, 0x2c
lea ecx, [esp + 0x40]
mov byte [esp + 0x38], 1
call fcn.00622566
test ebp, ebp
je 0x4aa402
cmp dword [ebp], 0x2c
jne 0x4aa402
mov ebp, dword [ebp + 0x28]
test ebp, ebp
je 0x4aa402
mov dword [ebp + 0x1c], esi
test edi, edi
jne 0x4aa409
or edi, 0xffffffff
lea ecx, [esp + 0x10]
mov byte [esp + 0x38], 0
call fcn.00622566
lea ecx, [esp + 0x14]
mov dword [esp + 0x38], 0xffffffff
call fcn.00622566
mov eax, edi
jmp 0x4aa29d