Function at 0x48aa30
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x144
mov eax, dword [0x5203c4]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [0x528294], 0
jne 0x48ad44
push 0x118
lea eax, [ebp - 0x11c]
push 0
push eax
call fcn.004ad7b0
add esp, 0xc
mov dword [ebp - 0x120], 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 0x48aab7
lea ecx, [ebp - 0x120]
push ecx
call eax
test eax, eax
je 0x48aab7
lea eax, [ebp - 0x120]
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExW]
test eax, eax
jne 0x48aab7
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.004a8e4e
mov esp, ebp
pop ebp
ret
mov ax, word [ebp - 0xc]
mov ecx, 0x528078
push 0
push 0x4f9904
mov word [0x528084], ax
mov dword [0x52807c], 0
call fcn.00477ed0
mov eax, dword [ebp - 0x110]
sub eax, 0
je 0x48ac87
sub eax, 1
je 0x48ac44
sub eax, 1
je 0x48ab05
push 0
push 0x4f9904
jmp 0x48ac98
mov eax, dword [ebp - 0x11c]
cmp eax, 4
ja 0x48ab26
push 0xa
mov dword [0x52807c], 0x40
push str.Windows_NT
jmp 0x48ac98
cmp eax, 5
jne 0x48ab85
mov eax, dword [ebp - 0x118]
test eax, eax
jne 0x48ab4b
push 0xc
mov dword [0x52807c], 0x80
push str.Windows_2000
jmp 0x48ac98
cmp eax, 1
jne 0x48ab66
push 0xa
mov dword [0x52807c], 0x100
push str.Windows_XP
jmp 0x48ac98
cmp eax, 2
jne 0x48aca2
push 0xc
mov dword [0x52807c], 0x200
push str.Windows_2003
jmp 0x48ac98
cmp eax, 6
jne 0x48ac23
mov eax, dword [ebp - 0x118]
test eax, eax
jne 0x48abae
push 0xd
mov dword [0x52807c], 0x400
push str.Windows_Vista
jmp 0x48ac98
cmp eax, 1
jne 0x48abc9
push 9
mov dword [0x52807c], 0x800
push str.Windows_7
jmp 0x48ac98
cmp eax, 2
jne 0x48abe4
push 9
mov dword [0x52807c], 0x1000
push str.Windows_8
jmp 0x48ac98
cmp eax, 3
jne 0x48abff
push 0xb
mov dword [0x52807c], 0x2000
push str.Windows_8.1
jmp 0x48ac98
cmp eax, 4
jne 0x48aca2
mov eax, dword [ebp - 0x114]
cmp eax, 0x2671
je 0x48ac31
cmp eax, 0x2684
je 0x48ac31
cmp eax, 0x2697
jmp 0x48ac2f
cmp eax, 0xa
jne 0x48aca2
cmp dword [ebp - 0x118], 0
jne 0x48aca2
push 0xa
mov dword [0x52807c], 0x4000
push str.Windows_10
jmp 0x48ac98
cmp dword [ebp - 0x11c], 4
jne 0x48aca2
mov eax, dword [ebp - 0x118]
test eax, eax
je 0x48ac74
cmp eax, 0xa
je 0x48ac74
cmp eax, 0x5a
jne 0x48aca2
push 0xa
mov dword [0x52807c], 0x20
push str.Windows_ME
jmp 0x48ac98
push 0xa
mov dword [0x52807c], 8
push str.Windows_9x
jmp 0x48ac98
push 0xb
mov dword [0x52807c], 1
push str.Windows_3.2
mov ecx, 0x528078
call fcn.00477ed0
xor eax, eax
push str.GetNativeSystemInfo
push str.kernel32.dll
mov dword [ebp - 0x144], eax
mov dword [ebp - 0x140], eax
mov dword [ebp - 0x13c], eax
mov dword [ebp - 0x138], eax
mov dword [ebp - 0x134], eax
mov dword [ebp - 0x130], eax
mov dword [ebp - 0x12c], eax
mov dword [ebp - 0x128], eax
mov dword [ebp - 0x124], eax
call dword [sym.imp.KERNEL32.dll_GetModuleHandleW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x48ad00
lea ecx, [ebp - 0x144]
push ecx
call eax
jmp 0x48ad0d
lea eax, [ebp - 0x144]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov eax, dword [ebp - 0x144]
cmp ax, 9
je 0x48ad30
cmp ax, 6
je 0x48ad30
test ax, ax
jne 0x48ad3a
mov dword [0x528080], 0
jmp 0x48ad3a
mov dword [0x528080], 1
mov dword [0x528294], 1
mov ecx, dword [ebp - 4]
mov eax, 1
xor ecx, ebp
call fcn.004a8e4e
mov esp, ebp
pop ebp
ret