Function at 0x40d390
Capabilities:
Check os version

Disassembly:
sub esp, 0x510
push ebx
push ebp
push esi
push edi
call fcn.004027f0
mov ecx, dword [0x45d1c8]
mov edx, ecx
and edx, 1
cmp dl, 1
jne 0x40d3c4
mov edx, eax
and edx, 1
cmp dl, 1
jne 0x40d3c4
mov esi, 1
mov dword [esp + 0x14], esi
jmp 0x40d3e7
and ecx, 2
cmp cl, 2
jne 0x40d94e
and eax, 2
cmp al, cl
jne 0x40d94e
mov dword [esp + 0x14], 2
mov esi, dword [esp + 0x14]
lea eax, [esp + 0x2ec]
mov dword [esp + 0x2ec], 0x94
push eax
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [esp + 0x2fc], 2
je 0x40d45a
cmp esi, 2
jne 0x40d477
mov ecx, dword [esp + 0x53c]
mov edx, dword [esp + 0x538]
mov eax, dword [esp + 0x534]
push ecx
mov ecx, dword [esp + 0x534]
push edx
mov edx, dword [esp + 0x534]
push eax
mov eax, dword [esp + 0x534]
push ecx
mov ecx, dword [esp + 0x534]
push edx
push eax
push ecx
call fcn.0040cc20
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x510
ret
cmp esi, 2
jne 0x40d477
push 0x3e8
push esi
push 6
call fcn.00402f50
mov ebp, eax
add esp, 0xc
mov dword [esp + 0x10], ebp
jmp 0x40d48b
push 0x11
push 2
push 2
call fcn.00402f50
add esp, 0xc
mov dword [esp + 0x10], eax
mov ebp, eax
or ebx, 0xffffffff
cmp ebp, ebx
jne 0x40d4a2
pop edi
pop esi
pop ebp
mov eax, 0x3f
pop ebx
add esp, 0x510
ret
push ebp
call fcn.0040cb30
add esp, 4
push 1
call fcn.0040cb20
push eax
call fcn.0040e230
add esp, 8
cmp eax, ebx
jne 0x40d4d5
push ebp
call sub.WSOCK32.dll_closesocket
pop edi
pop esi
pop ebp
mov eax, 0x41
pop ebx
add esp, 0x510
ret
mov edx, dword [0x4614e4]
push edx
call fcn.0040ba10
add esp, 4
test eax, eax
jne 0x40d52f
mov eax, dword [0x4614e4]
push eax
call fcn.0040ba20
add esp, 4
test eax, eax
jne 0x40d50a
pop edi
pop esi
pop ebp
mov eax, 0x4a
pop ebx
add esp, 0x510
ret
mov ax, word [eax]
cmp ax, 6
jne 0x40d518
cmp esi, 2
je 0x40d52f
cmp ax, 2
jne 0x40d523
cmp esi, 1
je 0x40d52f
mov dword [0x45d240], 1
jmp 0x40d53c
mov eax, dword [0x45d240]
test eax, eax
je 0x40d648
mov edi, 0x4614e4
push edi
call fcn.0040ba40
add esp, 4
cmp esi, 2
jne 0x40d599
push 0xe
call fcn.0043742b
mov esi, eax
add esp, 4
test esi, esi
je 0x40d5a9
mov edx, esi
xor ecx, ecx
mov dword [edx], ecx
mov dword [edx + 4], ecx
mov dword [edx + 8], ecx
mov word [edx + 0xc], cx
mov word [esi], 6
call fcn.0040cb40
push eax
call fcn.00403080
mov word [esi + 0xc], ax
lea eax, [esi + 2]
lea edx, [esi + 6]
mov ecx, ebx
mov dword [eax], 0
mov dword [edx], ecx
mov word [edx + 4], cx
jmp 0x40d5f5
push 0x10
call fcn.0043742b
mov esi, eax
add esp, 4
test esi, esi
jne 0x40d5cf
push 0
call fcn.0040cb20
push eax
call fcn.0040e230
add esp, 8
push ebp
call sub.WSOCK32.dll_closesocket
pop edi
pop esi
pop ebp
mov eax, 0x40
pop ebx
add esp, 0x510
ret
mov ecx, esi
xor eax, eax
mov dword [ecx], eax
mov dword [ecx + 4], eax
mov dword [ecx + 8], eax
mov dword [ecx + 0xc], eax
mov word [esi], 2
call fcn.0040cb40
push eax
call fcn.00403080
mov word [esi + 2], ax
mov dword [esi + 4], ebx
push esi
push edi
call fcn.0040ba50
mov edx, dword [0x4614e4]
add esp, 0xc
mov dword [0x461830], edi
push edx
call fcn.0040ba10
add esp, 4
test eax, eax
je 0x40d63e
push 0
call fcn.0040cb20
push eax
call fcn.0040e230
add esp, 8
push ebp
call sub.WSOCK32.dll_closesocket
pop edi
pop esi
pop ebp
mov eax, 0x41
pop ebx
add esp, 0x510
ret
mov dword [0x45d240], 0
push 0
call fcn.0044245d
add esp, 4
test eax, eax
jge 0x40d666
pop edi
pop esi
pop ebp
mov eax, 0x4a
pop ebx
add esp, 0x510
ret
push 0
call fcn.0044245d
add esp, 4
and eax, 0x80001fff
jns 0x40d67e
dec eax
or eax, 0xffffe000
inc eax
mov esi, dword [esp + 0x528]
mov dword [esp + 0x150], eax
mov ecx, 0x64
xor eax, eax
lea edi, [esp + 0x15c]
mov dword [esp + 0x158], ebx
mov dword [esp + 0x14c], 0x294
mov dword [esp + 0x154], 0
rep stosd dword es:[edi], eax
mov edi, esi
mov ecx, ebx
repne scasb al, byte es:[edi]
not ecx
cmp ecx, 0x190
ja 0x40d6de
mov eax, ecx
lea edi, [esp + 0x15c]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov esi, dword [0x4614e4]
push esi
call fcn.0040ba10
add esp, 4
test eax, eax
jne 0x40d73a
push esi
call fcn.0040ba20
add esp, 4
lea ecx, [esp + 0x14c]
push 0x10
push eax
push 0
push 0x1a0
push ecx
call fcn.0040cb20
push eax
call fcn.00403000
add esp, 0x18
cmp eax, 0x1a0
jne 0x40d7f9
push esi
call fcn.0040ba30
mov esi, eax
push esi
call fcn.0040ba10
add esp, 8
test eax, eax
je 0x40d6f1
push 0
call fcn.0044245d
mov ecx, dword [esp + 0x530]
mov edi, dword [esp + 0x540]
mov ebp, dword [esp + 0x53c]
mov ebx, dword [esp + 0x538]
mov esi, dword [esp + 0x534]
add esp, 4
add eax, ecx
mov dword [esp + 0x1c], eax
push 0
mov dword [esp + 0x28], 0
call fcn.0044245d
mov edx, dword [esp + 0x20]
add esp, 4
sub edx, eax
mov dword [esp + 0x20], edx
jns 0x40d793
mov dword [esp + 0x20], 0
mov dword [esp + 0x48], 0
call fcn.0040cb20
mov ecx, dword [esp + 0x48]
mov dword [esp + ecx*4 + 0x4c], eax
mov edx, dword [esp + 0x48]
inc edx
lea eax, [esp + 0x48]
mov dword [esp + 0x48], edx
lea edx, [esp + 0x20]
push edx
push 0
push 0
push eax
call fcn.0040cb20
inc eax
push eax
call fcn.00402f80
add esp, 0x14
cmp eax, 0xffffffff
je 0x40d8c2
test eax, eax
je 0x40d927
cmp dword [esp + 0x14], 2
jne 0x40d80f
lea ecx, [esp + 0x18]
mov dword [esp + 0x18], 0xe
push ecx
lea edx, [esp + 0x2c]
jmp 0x40d820
push ebp
call sub.WSOCK32.dll_closesocket
pop edi
pop esi
pop ebp
mov eax, 0x3e
pop ebx
add esp, 0x510
ret
lea ecx, [esp + 0x18]
mov dword [esp + 0x18], 0x10
push ecx
lea edx, [esp + 0x3c]
push edx
push 0
lea eax, [esp + 0x38c]
push 0x1a0
push eax
call fcn.0040cb20
push eax
call fcn.00403040
add esp, 0x18
cmp eax, 0xffffffff
je 0x40d76d
mov ecx, dword [esp + 0x384]
mov eax, dword [esp + 0x150]
cmp ecx, eax
jne 0x40d76d
mov edx, dword [esp + 0x38c]
mov eax, dword [esp + 0x158]
cmp edx, eax
jne 0x40d76d
cmp dword [esp + 0x14], 2
jne 0x40d886
lea eax, [esp + 0x28]
push eax
call fcn.004029a0
jmp 0x40d890
mov ecx, dword [esp + 0x3c]
push ecx
call fcn.00402f30
add esp, 4
lea edx, [esp + 0x390]
push edi
push ebp
push ebx
push esi
push eax
push edx
call fcn.0040d0e0
add esp, 0x18
cmp esi, 4
jne 0x40d8b4
cmp word [edi + 0x20], 0
ja 0x40d927
cmp eax, 0x40
je 0x40d8d3
test eax, eax
je 0x40d927
jmp 0x40d76d
call sub.WSOCK32.dll_WSAGetLastError
cmp eax, 0x2714
jne 0x40d8ed
jmp 0x40d76d
mov eax, dword [esp + 0x10]
push eax
call sub.WSOCK32.dll_closesocket
pop edi
pop esi
pop ebp
mov eax, 0x40
pop ebx
add esp, 0x510
ret
call sub.WSOCK32.dll_WSAGetLastError
cmp eax, 0x2714
je 0x40d909
push 0
call fcn.0040cb20
push eax
call fcn.0040e230
add esp, 8
mov ecx, dword [esp + 0x10]
push ecx
call sub.WSOCK32.dll_closesocket
mov ecx, dword [ebx]
xor eax, eax
pop edi
pop esi
test ecx, ecx
pop ebp
pop ebx
setle al
add esp, 0x510
ret
push 0
call fcn.0040cb20
push eax
call fcn.0040e230
mov edx, dword [esp + 0x18]
add esp, 8
push edx
call sub.WSOCK32.dll_closesocket
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x510
ret
pop edi
pop esi
pop ebp
mov eax, 0x4c
pop ebx
add esp, 0x510
ret