Function at 0x10156120
Capabilities:
Check os version

Disassembly:
sub esp, 0x510
push ebx
push ebp
push esi
push edi
call fcn.10158830
mov ecx, dword [0x101415a0]
mov edx, ecx
and edx, 1
cmp dl, 1
jne 0x10156154
mov edx, eax
and edx, 1
cmp dl, 1
jne 0x10156154
mov esi, 1
mov dword [esp + 0x14], esi
jmp 0x10156177
and ecx, 2
cmp cl, 2
jne 0x101566c4
and eax, 2
cmp al, cl
jne 0x101566c4
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 0x101561ea
cmp esi, 2
jne 0x10156207
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.101559e0
add esp, 0x1c
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x510
ret
cmp esi, 2
jne 0x10156207
push 0x3e8
push esi
push 6
call fcn.10155600
mov edi, eax
add esp, 0xc
mov dword [esp + 0x10], edi
jmp 0x1015621b
push 0x11
push 2
push 2
call fcn.10155600
add esp, 0xc
mov dword [esp + 0x10], eax
mov edi, eax
or ebp, 0xffffffff
cmp edi, ebp
jne 0x10156232
pop edi
pop esi
pop ebp
mov eax, 0x3f
pop ebx
add esp, 0x510
ret
push edi
call fcn.101558f0
add esp, 4
push 1
call fcn.101558e0
push eax
call fcn.10156fa0
add esp, 8
cmp eax, ebp
jne 0x10156265
push edi
call sub.WSOCK32.dll_closesocket
pop edi
pop esi
pop ebp
mov eax, 0x41
pop ebx
add esp, 0x510
ret
mov edx, dword [0x10143530]
push edx
call fcn.101547a0
add esp, 4
test eax, eax
jne 0x101562ab
mov eax, dword [0x10143530]
push eax
call fcn.101547b0
mov ax, word [eax]
add esp, 4
cmp ax, 6
jne 0x10156294
cmp esi, 2
je 0x101562ab
cmp ax, 2
jne 0x1015629f
cmp esi, 1
je 0x101562ab
mov dword [0x10141728], 1
jmp 0x101562b8
mov eax, dword [0x10141728]
test eax, eax
je 0x101563c7
push 0x10143530
call fcn.101547d0
add esp, 4
cmp esi, 2
jne 0x10156315
push 0xe
call dword [sym.imp.MSVCRT.dll_malloc]
mov esi, eax
add esp, 4
test esi, esi
je 0x10156326
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.10155900
push eax
call fcn.10155730
mov word [esi + 0xc], ax
lea eax, [esi + 2]
lea edx, [esi + 6]
mov ecx, ebp
mov dword [eax], 0
mov dword [edx], ecx
mov word [edx + 4], cx
jmp 0x10156372
push 0x10
call dword [sym.imp.MSVCRT.dll_malloc]
mov esi, eax
add esp, 4
test esi, esi
jne 0x1015634c
push 0
call fcn.101558e0
push eax
call fcn.10156fa0
add esp, 8
push edi
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.10155900
push eax
call fcn.10155730
mov word [esi + 2], ax
mov dword [esi + 4], ebp
push esi
push 0x10143530
call fcn.101547e0
mov eax, dword [0x10143530]
add esp, 0xc
mov dword [0x1014303c], eax
push eax
call fcn.101547a0
add esp, 4
test eax, eax
je 0x101563bd
push 0
call fcn.101558e0
push eax
call fcn.10156fa0
add esp, 8
push edi
call sub.WSOCK32.dll_closesocket
pop edi
pop esi
pop ebp
mov eax, 0x41
pop ebx
add esp, 0x510
ret
mov dword [0x10141728], 0
mov ebx, dword [sym.imp.MSVCRT.dll_time]
push 0
call ebx
add esp, 4
test eax, eax
jge 0x101563e8
pop edi
pop esi
pop ebp
mov eax, 0x4a
pop ebx
add esp, 0x510
ret
push 0
call ebx
and eax, 0x80001fff
jns 0x101563fa
dec eax
or eax, 0xffffe000
inc eax
mov esi, dword [esp + 0x52c]
mov dword [esp + 0x154], eax
mov ecx, 0x64
xor eax, eax
lea edi, [esp + 0x160]
mov dword [esp + 0x15c], ebp
mov dword [esp + 0x150], 0x284
mov dword [esp + 0x158], 0
rep stosd dword es:[edi], eax
mov edi, esi
mov ecx, ebp
repne scasb al, byte es:[edi]
not ecx
mov edx, ecx
lea edi, [esp + 0x160]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov esi, dword [0x10143530]
push esi
call fcn.101547a0
add esp, 8
test eax, eax
jne 0x101564ae
push esi
call fcn.101547b0
add esp, 4
push 0x10
push eax
push 0
lea eax, [esp + 0x158]
push 0x1a0
push eax
call fcn.101558e0
push eax
call fcn.101556b0
add esp, 0x18
cmp eax, 0x1a0
jne 0x1015656b
push esi
call fcn.101547c0
mov esi, eax
push esi
call fcn.101547a0
add esp, 8
test eax, eax
je 0x10156465
push 0
call ebx
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 dword [sym.imp.MSVCRT.dll_time]
mov edx, dword [esp + 0x20]
add esp, 4
sub edx, eax
mov dword [esp + 0x20], edx
jns 0x10156505
mov dword [esp + 0x20], 0
mov dword [esp + 0x48], 0
call fcn.101558e0
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.101558e0
inc eax
push eax
call fcn.10155630
add esp, 0x14
cmp eax, 0xffffffff
je 0x10156638
test eax, eax
je 0x1015669d
cmp dword [esp + 0x14], 2
jne 0x10156585
lea ecx, [esp + 0x18]
mov dword [esp + 0x18], 0xe
push ecx
lea edx, [esp + 0x2c]
jmp 0x10156596
mov ecx, dword [esp + 0x10]
push ecx
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.101558e0
push eax
call fcn.101556f0
add esp, 0x18
cmp eax, 0xffffffff
je 0x101564de
mov ecx, dword [esp + 0x384]
mov eax, dword [esp + 0x150]
cmp ecx, eax
jne 0x101564de
mov edx, dword [esp + 0x38c]
mov eax, dword [esp + 0x158]
cmp edx, eax
jne 0x101564de
cmp dword [esp + 0x14], 2
jne 0x101565fc
lea eax, [esp + 0x28]
push eax
call fcn.101589f0
jmp 0x10156606
mov ecx, dword [esp + 0x3c]
push ecx
call fcn.101555e0
add esp, 4
lea edx, [esp + 0x390]
push edi
push ebp
push ebx
push esi
push eax
push edx
call fcn.10155e90
add esp, 0x18
cmp esi, 4
jne 0x1015662a
cmp word [edi + 0x20], 0
ja 0x1015669d
cmp eax, 0x40
je 0x10156649
test eax, eax
je 0x1015669d
jmp 0x101564de
call sub.WSOCK32.dll_WSAGetLastError
cmp eax, 0x2714
jne 0x10156663
jmp 0x101564de
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 0x1015667f
push 0
call fcn.101558e0
push eax
call fcn.10156fa0
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.101558e0
push eax
call fcn.10156fa0
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