Function at 0x401740
Capabilities:
Get system information on windows
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
push ebx
mov ebx, dword [ebp + 0xc]
push esi
push edi
push 0x40
push ebx
xor esi, esi
call fcn.00401300
test eax, eax
je 0x4019ad
mov edi, dword [ebp + 8]
mov eax, 0x5a4d
cmp word [edi], ax
jne 0x4019a2
mov eax, dword [edi + 0x3c]
add eax, 0xf8
push eax
push ebx
call fcn.00401300
test eax, eax
je 0x4019ad
mov ebx, dword [edi + 0x3c]
add ebx, edi
cmp dword [ebx], 0x4550
jne 0x4019a2
mov eax, 0x14c
cmp word [ebx + 4], ax
jne 0x4019a2
mov ecx, dword [ebx + 0x38]
test cl, 1
jne 0x4019a2
movzx edx, word [ebx + 0x14]
movzx edi, word [ebx + 6]
add edx, 0x24
test edi, edi
je 0x4017e0
add edx, ebx
mov eax, dword [edx + 4]
lea edx, [edx + 0x28]
test eax, eax
cmovne ecx, eax
add ecx, dword [edx - 0x28]
cmp ecx, esi
cmovbe ecx, esi
mov esi, ecx
mov ecx, dword [ebx + 0x38]
sub edi, 1
jne 0x4017c3
lea eax, [ebp - 0x28]
push eax
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov ecx, dword [ebp - 0x24]
lea edx, [ecx - 1]
lea edi, [ecx - 1]
not edx
add edi, dword [ebx + 0x50]
lea eax, [ecx - 1]
add eax, esi
and edi, edx
and eax, edx
cmp edi, eax
jne 0x4019a2
push dword [ebp + 0x24]
push 4
push 0x3000
push edi
push dword [ebx + 0x34]
call dword [ebp + 0x10]
mov esi, eax
mov dword [ebp - 4], esi
test esi, esi
jne 0x40183b
push dword [ebp + 0x24]
push 4
push 0x3000
push edi
push eax
call dword [ebp + 0x10]
mov esi, eax
mov dword [ebp - 4], eax
test esi, esi
je 0x40185f
push 0x40
push 8
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov edi, eax
test edi, edi
jne 0x401872
push dword [ebp + 0x24]
push 0x8000
push eax
push esi
call dword [ebp + 0x14]
push 0xe
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 0x20
mov dword [edi + 4], esi
movzx eax, word [ebx + 0x16]
shr eax, 0xd
and eax, 1
mov dword [edi + 0x14], eax
mov eax, dword [ebp + 0x10]
mov dword [edi + 0x1c], eax
mov eax, dword [ebp + 0x14]
mov dword [edi + 0x20], eax
mov eax, dword [ebp + 0x18]
mov dword [edi + 0x24], eax
mov eax, dword [ebp + 0x1c]
mov dword [edi + 0x28], eax
mov eax, dword [ebp + 0x20]
mov dword [edi + 0x2c], eax
mov eax, dword [ebp + 0x24]
mov dword [edi + 0x34], eax
mov eax, dword [ebp - 0x24]
mov dword [edi + 0x3c], eax
push dword [ebx + 0x54]
push dword [ebp + 0xc]
call fcn.00401300
test eax, eax
je 0x40195f
push dword [ebp + 0x24]
push 4
push 0x1000
push dword [ebx + 0x54]
push esi
call dword [ebp + 0x10]
push dword [ebx + 0x54]
mov esi, eax
push dword [ebp + 8]
push esi
call fcn.004488a0
mov edx, dword [ebp + 8]
add esp, 0xc
mov eax, dword [edx + 0x3c]
add eax, esi
mov esi, dword [ebp - 4]
push edi
push dword [ebp + 0xc]
mov dword [edi], eax
push edx
mov dword [eax + 0x34], esi
call fcn.00401330
test eax, eax
jne 0x40195f
mov eax, dword [edi]
mov eax, dword [eax + 0x34]
sub eax, dword [ebx + 0x34]
je 0x401912
push eax
push edi
call fcn.004019c0
jmp 0x401917
mov eax, 1
push edi
mov dword [edi + 0x18], eax
call fcn.004011a0
test eax, eax
je 0x40195f
push edi
call fcn.00401400
test eax, eax
jne 0x40195f
push edi
call fcn.004013b0
test eax, eax
je 0x40195f
mov eax, dword [edi]
mov eax, dword [eax + 0x28]
test eax, eax
je 0x401990
add eax, esi
cmp dword [edi + 0x14], 0
je 0x401982
push 0
push 1
push esi
call eax
test eax, eax
jne 0x401970
push 0x45a
call dword [sym.imp.KERNEL32.dll_SetLastError]
push edi
call fcn.00401530
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 0x20
mov dword [edi + 0x10], 1
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x20
mov dword [edi + 0x38], eax
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x20
mov dword [edi + 0x38], 0
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0x20
push 0xc1
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret 0x20