Function at 0x43c450
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 [0x5ad124]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x5b2b4c], 0
jne 0x43c7e9
push 0x11c
lea eax, [ebp - 0x128]
push 0
push eax
call fcn.0050b5d0
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 0x43c4ed
lea ecx, [ebp - 0x128]
push ecx
call eax
test eax, eax
je 0x43c4ed
lea eax, [ebp - 0x128]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
jne 0x43c4ed
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00507796
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
push 0
push 0x585ddc
mov ecx, 0x5b2a80
mov dword [0x5b212c], 0
call fcn.00405500
mov eax, dword [ebp - 0x118]
sub eax, 0
je 0x43c74a
sub eax, 1
je 0x43c6fa
sub eax, 1
je 0x43c52f
push 0x585ddc
jmp 0x43c759
mov eax, dword [ebp - 0x124]
cmp eax, 4
ja 0x43c54e
mov dword [0x5b212c], 0x40
push 0x58ac3c
jmp 0x43c759
cmp eax, 5
jne 0x43c5c6
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x43c571
mov dword [0x5b212c], 0x80
push str.Windows_2000
jmp 0x43c759
cmp eax, 1
jne 0x43c58a
mov dword [0x5b212c], 0x100
push str.Windows_XP
jmp 0x43c759
cmp eax, 2
jne 0x43c763
cmp byte [ebp - 0xe], 1
mov ecx, 0x5b2a80
jne 0x43c5b2
mov dword [0x5b212c], 0x100
push str.Windows_XP
jmp 0x43c75e
mov dword [0x5b212c], 0x200
push str.Windows_2003
jmp 0x43c75e
cmp eax, 6
jne 0x43c6b7
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x43c60c
cmp byte [ebp - 0xe], 1
mov ecx, 0x5b2a80
jne 0x43c5f8
mov dword [0x5b212c], 0x400
push str.Windows_Vista
jmp 0x43c75e
mov dword [0x5b212c], 0x8000
push str.Windows_Server_2008
jmp 0x43c75e
cmp eax, 1
jne 0x43c643
mov ecx, 0x5b2a80
cmp byte [ebp - 0xe], al
je 0x43c62f
mov dword [0x5b212c], 0x8000
push str.Windows_Server_2008_R2
jmp 0x43c75e
mov dword [0x5b212c], 0x800
push str.Windows_7
jmp 0x43c75e
cmp eax, 2
jne 0x43c67b
cmp byte [ebp - 0xe], 1
mov ecx, 0x5b2a80
jne 0x43c667
mov dword [0x5b212c], 0x1000
push str.Windows_8
jmp 0x43c75e
mov dword [0x5b212c], 0x10000
push str.Windows_Server_2012
jmp 0x43c75e
cmp eax, 3
jne 0x43c763
cmp byte [ebp - 0xe], 1
mov ecx, 0x5b2a80
jne 0x43c6a3
mov dword [0x5b212c], 0x2000
push str.Windows_8.1
jmp 0x43c75e
mov dword [0x5b212c], 0x10000
push str.Windows_Server_2012_R2
jmp 0x43c75e
cmp eax, 0xa
jne 0x43c763
cmp dword [ebp - 0x120], 0
jne 0x43c763
cmp byte [ebp - 0xe], 1
mov ecx, 0x5b2a80
jne 0x43c6e9
mov dword [0x5b212c], 0x4000
push str.Windows_10
jmp 0x43c75e
mov dword [0x5b212c], 0x20000
push str.Windows_Server_2016
jmp 0x43c75e
cmp dword [ebp - 0x124], 4
jne 0x43c763
mov eax, dword [ebp - 0x120]
test eax, eax
jne 0x43c71e
mov dword [0x5b212c], 8
push str.Windows_9x
jmp 0x43c759
cmp eax, 0xa
jne 0x43c734
mov dword [0x5b212c], 8
push str.Windows_9x
jmp 0x43c759
cmp eax, 0x5a
jne 0x43c763
mov dword [0x5b212c], 0x20
push str.Windows_ME
jmp 0x43c759
mov dword [0x5b212c], 1
push str.Windows_3.2
mov ecx, 0x5b2a80
call fcn.00404b10
xorps xmm0, xmm0
mov dword [ebp - 0x140], 0
push 0x58a034
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 0x43c7a4
lea ecx, [ebp - 0x160]
push ecx
call eax
jmp 0x43c7b1
lea eax, [ebp - 0x160]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov ax, word [ebp - 0x160]
cmp ax, 9
je 0x43c7d5
cmp ax, 6
je 0x43c7d5
test ax, ax
jne 0x43c7df
mov dword [0x5b2128], 0
jmp 0x43c7df
mov dword [0x5b2128], 1
mov dword [0x5b2b4c], 1
mov ecx, dword [ebp - 4]
mov eax, 1
xor ecx, ebp
call fcn.00507796
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret