Function at 0x40e922
Capabilities:
Check os version
Get system information on windows

Disassembly:
push ebp
lea ebp, [esp - 0x78]
sub esp, 0xd4
push esi
push edi
lea eax, [ebp - 0x5c]
push eax
mov dword [ebp - 0x5c], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
mov eax, dword [ebp - 0x58]
mov dword [ebx], eax
mov eax, dword [ebp - 0x54]
mov dword [ebx + 4], eax
mov eax, dword [ebp - 0x50]
mov dword [ebx + 8], eax
lea eax, [ebp - 0x48]
push eax
call fcn.00448e50
xor esi, esi
cmp eax, esi
pop ecx
jg 0x40ea61
mov byte [ebx + 0xc], 0
cmp dword [ebp - 0x4c], 2
mov byte [ebx + 0x10c], 0
mov byte [ebx + 0x10d], 0
mov byte [ebx + 0x120], 0
mov byte [ebx + 0x10e], 0
mov byte [ebx + 0x10f], 0
mov byte [ebx + 0x114], 0
mov byte [ebx + 0x115], 0
mov byte [ebx + 0x110], 0
mov byte [ebx + 0x111], 0
mov byte [ebx + 0x116], 0
mov byte [ebx + 0x117], 0
mov byte [ebx + 0x118], 0
mov byte [ebx + 0x119], 0
mov byte [ebx + 0x112], 0
mov byte [ebx + 0x113], 0
mov byte [ebx + 0x11c], 0
mov byte [ebx + 0x11d], 0
mov byte [ebx + 0x11a], 0
mov byte [ebx + 0x11b], 0
mov byte [ebx + 0x11e], 0
mov byte [ebx + 0x11f], 0
jne 0x40eb33
mov eax, dword [ebx]
sub eax, 4
mov byte [ebx + 0x10c], 1
je 0x40eb23
dec eax
je 0x40eabf
dec eax
jne 0x40eb87
mov eax, dword [ebx + 4]
cmp eax, esi
mov byte [ebx + 0x10f], 1
jne 0x40ea8d
mov byte [ebx + 0x115], 1
mov byte [ebx + 0x111], 1
mov byte [ebx + 0x119], 1
mov byte [ebx + 0x118], 1
jmp 0x40eb87
lea ecx, [ebp + eax - 0x48]
cmp byte [ecx], 0x20
jne 0x40ea66
mov byte [ecx], 0
dec eax
cmp eax, esi
jg 0x40ea55
xor ecx, ecx
cmp eax, esi
jle 0x40ea78
cmp byte [ebp + ecx - 0x48], 0x20
jne 0x40ea78
inc ecx
cmp ecx, eax
jl 0x40ea6c
lea eax, [ebp + ecx - 0x48]
push eax
lea eax, [ebx + 0xc]
push eax
call fcn.004489e0
pop ecx
pop ecx
jmp 0x40e969
cmp eax, 1
jne 0x40eb87
mov byte [ebx + 0x111], al
mov byte [ebx + 0x117], al
mov byte [ebx + 0x115], al
mov byte [ebx + 0x119], al
mov byte [ebx + 0x113], al
mov byte [ebx + 0x112], al
jmp 0x40eb87
mov eax, dword [ebx + 4]
cmp eax, esi
mov byte [ebx + 0x10f], 1
jne 0x40eae0
mov byte [ebx + 0x115], 1
mov byte [ebx + 0x114], 1
jmp 0x40eb87
cmp eax, 1
jne 0x40eafc
mov byte [ebx + 0x115], al
mov byte [ebx + 0x111], al
mov byte [ebx + 0x110], al
jmp 0x40eb87
cmp eax, 2
jb 0x40eb87
mov byte [ebx + 0x115], 1
mov byte [ebx + 0x111], 1
mov byte [ebx + 0x117], 1
mov byte [ebx + 0x116], 1
jmp 0x40eb87
mov byte [ebx + 0x10f], 1
mov byte [ebx + 0x10e], 1
jmp 0x40eb87
movzx eax, word [ebp - 0x50]
mov dword [ebx + 8], eax
mov eax, dword [ebx + 4]
cmp eax, esi
mov byte [ebx + 0x10d], 1
mov byte [ebx + 0x11d], 1
je 0x40eb80
cmp eax, 0xa
je 0x40eb70
cmp eax, 0x5a
jne 0x40eb87
mov byte [ebx + 0x11b], 1
mov byte [ebx + 0x11f], 1
mov byte [ebx + 0x11e], 1
jmp 0x40eb87
mov byte [ebx + 0x11b], 1
mov byte [ebx + 0x11a], 1
jmp 0x40eb87
mov byte [ebx + 0x11c], 1
lea eax, [ebp + 0x74]
push eax
mov dword [ebp + 0x5c], esi
mov dword [ebp + 0x64], esi
mov dword [ebp + 0x74], esi
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
lea eax, [ebp + 0x5c]
call fcn.0040ec5d
call eax
cmp dword [ebp + 0x74], 1
jne 0x40ebb2
mov byte [ebx + 0x120], 1
push 8
xor eax, eax
cmp byte [ebx + 0x120], al
pop ecx
lea edi, [ebp + 0x3c]
mov dword [ebp + 0x38], esi
rep stosd dword es:[edi], eax
mov edi, dword [sym.imp.KERNEL32.dll_FreeLibrary]
je 0x40ec0f
mov dword [ebp + 0x68], esi
mov dword [ebp + 0x70], esi
lea esi, [ebp + 0x68]
call fcn.0040ec89
cmp dword [ebp + 0x70], 0
je 0x40ebee
lea eax, [ebp + 0x38]
push eax
mov eax, esi
call fcn.0040ec73
call eax
cmp dword [ebp + 0x68], 0
je 0x40ebf9
push dword [ebp + 0x68]
call edi
xor esi, esi
mov eax, dword [ebp + 0x38]
cmp ax, si
jne 0x40ec1b
mov dword [ebx + 0x124], 1
jmp 0x40ec4a
lea eax, [ebp + 0x38]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
jmp 0x40ebfb
cmp ax, 6
jne 0x40ec2d
mov dword [ebx + 0x124], 2
jmp 0x40ec4a
cmp ax, 9
jne 0x40ec3f
mov dword [ebx + 0x124], 3
jmp 0x40ec4a
movzx eax, ax
neg eax
mov dword [ebx + 0x124], eax
cmp dword [ebp + 0x5c], esi
je 0x40ec54
push dword [ebp + 0x5c]
call edi
pop edi
mov eax, ebx
pop esi
add ebp, 0x78
leave
ret