Function at 0x404220
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff0
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
sub esp, 0x198
mov eax, dword [0x43100c]
xor eax, ebp
mov dword [ebp - 4], eax
push esi
push edi
push 0x118
xorps xmm0, xmm0
mov dword [ebp - 0x20], 0
lea eax, [ebp - 0x15c]
movaps xmmword [ebp - 0x40], xmm0
push 0
push eax
movaps xmmword [ebp - 0x30], xmm0
call fcn.00416030
add esp, 0xc
mov dword [ebp - 0x160], 0x11c
lea eax, [ebp - 0x160]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
jne 0x40429e
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00414dac
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
sub esp, 0x18
mov ecx, esp
push 0x432414
call fcn.00413b00
lea ecx, [ebp - 0x17c]
call fcn.00402ac0
mov esi, eax
add esp, 0x18
cmp dword [esi + 0x14], 0x10
jb 0x4042c5
mov esi, dword [esi]
sub esp, 0x18
mov ecx, esp
push 0x431d84
call fcn.00413b00
lea ecx, [ebp - 0x194]
call fcn.00402ac0
add esp, 0x18
cmp dword [eax + 0x14], 0x10
jb 0x4042ea
mov eax, dword [eax]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov edx, dword [ebp - 0x180]
mov esi, eax
cmp edx, 0x10
jb 0x404335
mov ecx, dword [ebp - 0x194]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x40432b
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40470f
push edx
push ecx
call fcn.0041541e
add esp, 8
mov edx, dword [ebp - 0x168]
mov dword [ebp - 0x184], 0
mov dword [ebp - 0x180], 0xf
mov byte [ebp - 0x194], 0
cmp edx, 0x10
jb 0x40438a
mov ecx, dword [ebp - 0x17c]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x404380
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x40470f
push edx
push ecx
call fcn.0041541e
add esp, 8
mov dword [ebp - 0x16c], 0
lea eax, [ebp - 0x40]
mov dword [ebp - 0x168], 0xf
mov byte [ebp - 0x17c], 0
push eax
test esi, esi
je 0x4043b1
call esi
jmp 0x4043b7
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov eax, dword [ebp - 0x15c]
cmp eax, 0xa
jne 0x4043de
cmp dword [ebp - 0x158], 0
jne 0x4046f7
xor eax, eax
cmp byte [ebp - 0x46], 1
setne al
inc eax
jmp 0x4046f2
cmp eax, 6
jne 0x40469d
mov eax, dword [ebp - 0x158]
cmp eax, 3
jne 0x404403
xor eax, eax
cmp byte [ebp - 0x46], 1
setne al
add eax, 3
jmp 0x4046f2
cmp eax, 2
jne 0x40467a
sub esp, 0x18
cmp byte [ebp - 0x46], 1
jne 0x4044df
mov esi, esp
mov dword [0x431930], 1
sub esp, 0x18
mov ecx, esp
push 0x432054
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
mov esi, esp
sub esp, 0x18
mov ecx, esp
push 0x432264
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
add esp, 0x18
lea ecx, [ebp - 0x17c]
mov edx, 0x80000002
call fcn.00402bd0
add esp, 0x30
cmp dword [eax + 0x14], 0x10
jb 0x404471
mov eax, dword [eax]
push eax
call fcn.0041868d
mov edx, dword [ebp - 0x168]
add esp, 4
cmp eax, 0x55f0
setge al
mov byte [ebp - 0x161], al
cmp edx, 0x10
jb 0x4044c8
mov ecx, dword [ebp - 0x17c]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x4044b8
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x404714
push edx
push ecx
call fcn.0041541e
mov al, byte [ebp - 0x161]
add esp, 8
test al, al
je 0x404669
mov dword [0x431930], 0x12
jmp 0x404669
mov edi, esp
mov dword [0x431930], 4
sub esp, 0x18
mov esi, esp
sub esp, 0x18
mov ecx, esp
push 0x432324
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
mov esi, esp
sub esp, 0x18
mov ecx, esp
push 0x432264
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
add esp, 0x18
mov edx, 0x80000002
mov ecx, edi
call fcn.00402bd0
add esp, 0x18
mov esi, esp
sub esp, 0x18
mov ecx, esp
push 0x431c1c
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
add esp, 0x18
call fcn.00404010
mov ecx, dword [0x431930]
test eax, eax
mov edx, 0x10
cmovg ecx, edx
add esp, 0x18
mov edi, esp
mov dword [0x431930], ecx
sub esp, 0x18
mov esi, esp
sub esp, 0x18
mov ecx, esp
push 0x432324
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
mov esi, esp
sub esp, 0x18
mov ecx, esp
push 0x432264
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
add esp, 0x18
mov edx, 0x80000002
mov ecx, edi
call fcn.00402bd0
add esp, 0x18
mov esi, esp
sub esp, 0x18
mov ecx, esp
push 0x431a9c
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
add esp, 0x18
call fcn.00404010
mov ecx, dword [0x431930]
test eax, eax
mov edx, 0x11
cmovg ecx, edx
add esp, 0x18
mov edi, esp
mov dword [0x431930], ecx
sub esp, 0x18
mov esi, esp
sub esp, 0x18
mov ecx, esp
push 0x432324
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
mov esi, esp
sub esp, 0x18
mov ecx, esp
push 0x432264
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
add esp, 0x18
mov edx, 0x80000002
mov ecx, edi
call fcn.00402bd0
add esp, 0x18
mov esi, esp
sub esp, 0x18
mov ecx, esp
push 0x431a6c
call fcn.00413b00
mov ecx, esi
call fcn.00402ac0
add esp, 0x18
call fcn.00404010
mov ecx, dword [0x431930]
add esp, 0x30
test eax, eax
mov edx, 2
cmovg ecx, edx
mov dword [0x431930], ecx
mov eax, dword [ebp - 0x15c]
cmp eax, 6
jne 0x40469d
mov eax, dword [ebp - 0x158]
test eax, eax
jne 0x40468a
cmp byte [ebp - 0x46], 1
setne al
add eax, 7
jmp 0x4046f2
cmp eax, 1
jne 0x4046f7
xor eax, eax
cmp byte [ebp - 0x46], 1
setne al
add eax, 9
jmp 0x4046f2
cmp eax, 5
jne 0x4046f7
mov ecx, dword [ebp - 0x158]
cmp ecx, 2
jne 0x4046d2
cmp byte [ebp - 0x46], 1
jne 0x4046c6
cmp word [ebp - 0x40], 9
jne 0x4046c6
mov dword [0x431930], 0xc
jmp 0x4046f7
mov dword [0x431930], 0xd
jmp 0x4046f7
cmp ecx, 1
jne 0x4046e3
mov dword [0x431930], 0xe
jmp 0x4046f7
mov eax, dword [0x431930]
test ecx, ecx
mov edx, 0xf
cmove eax, edx
mov dword [0x431930], eax
mov ecx, dword [ebp - 4]
mov eax, dword [0x431930]
xor ecx, ebp
pop edi
pop esi
call fcn.00414dac
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
call fcn.0041886c
call fcn.0041886c
int3