Function at 0x10006220
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, 0x160
mov eax, dword [0x1005400c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x10056050], 0
jne 0x100064da
push 0x118
lea eax, [ebp - 0x124]
push 0
push eax
call fcn.100241f0
add esp, 0xc
mov dword [ebp - 0x128], 0x11c
push str.RtlGetVersion
push str.NtDll.dll
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x100062bd
lea ecx, [ebp - 0x128]
push ecx
call eax
test eax, eax
je 0x100062bd
lea eax, [ebp - 0x128]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
jne 0x100062bd
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.1000faec
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
push 0x1004d8d0
mov ecx, 0x100560a4
mov dword [0x100560b0], 0
call fcn.10005b90
mov eax, dword [ebp - 0x118]
sub eax, 0
je 0x10006469
sub eax, 1
je 0x1000642a
sub eax, 1
je 0x100062fd
push 0x1004d8d0
jmp 0x10006478
mov eax, dword [ebp - 0x124]
cmp eax, 4
ja 0x1000631c
mov dword [0x100560b0], 0x40
push str.Windows_NT
jmp 0x10006478
cmp eax, 5
jne 0x10006375
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x1000633f
mov dword [0x100560b0], 0x80
push str.Windows_2000
jmp 0x10006478
cmp eax, 1
jne 0x10006358
mov dword [0x100560b0], 0x100
push str.Windows_XP
jmp 0x10006478
cmp eax, 2
jne 0x10006482
mov dword [0x100560b0], 0x200
push str.Windows_2003
jmp 0x10006478
cmp eax, 6
jne 0x1000640b
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x1000639c
mov dword [0x100560b0], 0x400
push str.Windows_Vista
jmp 0x10006478
cmp eax, 1
jne 0x100063b5
mov dword [0x100560b0], 0x800
push str.Windows_7
jmp 0x10006478
cmp eax, 2
jne 0x100063ce
mov dword [0x100560b0], 0x1000
push str.Windows_8
jmp 0x10006478
cmp eax, 3
jne 0x100063e7
mov dword [0x100560b0], 0x2000
push str.Windows_8.1
jmp 0x10006478
cmp eax, 4
jne 0x10006482
mov eax, dword [ebp - 0x11c]
cmp eax, 0x2671
je 0x10006419
cmp eax, 0x2684
je 0x10006419
cmp eax, 0x2697
jmp 0x10006417
cmp eax, 0xa
jne 0x10006482
cmp dword [ebp - 0x120], 0
jne 0x10006482
mov dword [0x100560b0], 0x4000
push str.Windows_10
jmp 0x10006478
cmp dword [ebp - 0x124], 4
jne 0x10006482
mov eax, dword [ebp - 0x120]
test eax, eax
je 0x10006458
cmp eax, 0xa
je 0x10006458
cmp eax, 0x5a
jne 0x10006482
mov dword [0x100560b0], 0x20
push str.Windows_ME
jmp 0x10006478
mov dword [0x100560b0], 8
push str.Windows_9x
jmp 0x10006478
mov dword [0x100560b0], 1
push str.Windows_3.2
mov ecx, 0x100560a4
call fcn.10005b90
xorps xmm0, xmm0
mov dword [ebp - 0x140], 0
push str.GetNativeSystemInfo
push str.kernel32.dll
movaps xmmword [ebp - 0x160], xmm0
movaps xmmword [ebp - 0x150], xmm0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x100064c3
lea ecx, [ebp - 0x160]
push ecx
call eax
jmp 0x100064d0
lea eax, [ebp - 0x160]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov dword [0x10056050], 1
mov ecx, dword [ebp - 4]
mov eax, 1
xor ecx, ebp
call fcn.1000faec
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret