Function at 0x47f310
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 [0x6609c4]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x67b7e8], 0
jne 0x47f6c9
push 0x11c
lea eax, [ebp - 0x128]
push 0
push eax
call fcn.005a3020
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 0x47f3ad
lea ecx, [ebp - 0x128]
push ecx
call eax
test eax, eax
je 0x47f3ad
lea eax, [ebp - 0x128]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
jne 0x47f3ad
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00589ffa
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
push 0
push 0x62f864
mov ecx, 0x67b37c
mov dword [0x67ad28], 0
call fcn.004073a0
mov eax, dword [ebp - 0x118]
sub eax, 0
je 0x47f62a
sub eax, 1
je 0x47f5da
sub eax, 1
je 0x47f3ef
push 0x62f864
jmp 0x47f639
mov eax, dword [ebp - 0x124]
cmp eax, 4
ja 0x47f40e
mov dword [0x67ad28], 0x40
push str.Windows_NT
jmp 0x47f639
cmp eax, 5
jne 0x47f486
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x47f431
mov dword [0x67ad28], 0x80
push str.Windows_2000
jmp 0x47f639
cmp eax, 1
jne 0x47f44a
mov dword [0x67ad28], 0x100
push str.Windows_XP
jmp 0x47f639
cmp eax, 2
jne 0x47f643
cmp byte [ebp - 0xe], 1
mov ecx, 0x67b37c
jne 0x47f472
mov dword [0x67ad28], 0x100
push str.Windows_XP
jmp 0x47f63e
mov dword [0x67ad28], 0x200
push str.Windows_2003
jmp 0x47f63e
cmp eax, 6
jne 0x47f577
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x47f4cc
cmp byte [ebp - 0xe], 1
mov ecx, 0x67b37c
jne 0x47f4b8
mov dword [0x67ad28], 0x400
push str.Windows_Vista
jmp 0x47f63e
mov dword [0x67ad28], 0x8000
push str.Windows_Server_2008
jmp 0x47f63e
cmp eax, 1
jne 0x47f503
mov ecx, 0x67b37c
cmp byte [ebp - 0xe], al
je 0x47f4ef
mov dword [0x67ad28], 0x8000
push str.Windows_Server_2008_R2
jmp 0x47f63e
mov dword [0x67ad28], 0x800
push str.Windows_7
jmp 0x47f63e
cmp eax, 2
jne 0x47f53b
cmp byte [ebp - 0xe], 1
mov ecx, 0x67b37c
jne 0x47f527
mov dword [0x67ad28], 0x1000
push str.Windows_8
jmp 0x47f63e
mov dword [0x67ad28], 0x10000
push str.Windows_Server_2012
jmp 0x47f63e
cmp eax, 3
jne 0x47f643
cmp byte [ebp - 0xe], 1
mov ecx, 0x67b37c
jne 0x47f563
mov dword [0x67ad28], 0x2000
push str.Windows_8.1
jmp 0x47f63e
mov dword [0x67ad28], 0x10000
push str.Windows_Server_2012_R2
jmp 0x47f63e
cmp eax, 0xa
jne 0x47f643
cmp dword [ebp - 0x120], 0
jne 0x47f643
cmp byte [ebp - 0xe], 1
jne 0x47f5c9
cmp dword [ebp - 0x11c], 0x55f0
mov ecx, 0x67b37c
jb 0x47f5b8
mov dword [0x67ad28], 0x40000
push str.Windows_11
jmp 0x47f63e
mov dword [0x67ad28], 0x4000
push str.Windows_10
jmp 0x47f63e
mov dword [0x67ad28], 0x20000
push str.Windows_Server_2016
jmp 0x47f639
cmp dword [ebp - 0x124], 4
jne 0x47f643
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x47f5fe
mov dword [0x67ad28], 8
push str.Windows_9x
jmp 0x47f639
cmp eax, 0xa
jne 0x47f614
mov dword [0x67ad28], 8
push str.Windows_9x
jmp 0x47f639
cmp eax, 0x5a
jne 0x47f643
mov dword [0x67ad28], 0x20
push str.Windows_ME
jmp 0x47f639
mov dword [0x67ad28], 1
push str.Windows_3.2
mov ecx, 0x67b37c
call fcn.00406400
xorps xmm0, xmm0
mov dword [ebp - 0x140], 0
push 0x63c3b8
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 0x47f684
lea ecx, [ebp - 0x160]
push ecx
call eax
jmp 0x47f691
lea eax, [ebp - 0x160]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ax, word [ebp - 0x160]
cmp ax, 9
je 0x47f6b5
cmp ax, 6
je 0x47f6b5
test ax, ax
jne 0x47f6bf
mov dword [0x67ad24], 0
jmp 0x47f6bf
mov dword [0x67ad24], 1
mov dword [0x67b7e8], 1
mov ecx, dword [ebp - 4]
mov eax, 1
xor ecx, ebp
call fcn.00589ffa
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret