Function at 0x40a930
Capabilities:
Read file on windows

Disassembly:
mov eax, dword [esp + 0xc]
sub esp, 0xc
push ebx
push ebp
push esi
push edi
mov edi, dword [esp + 0x24]
xor ebp, ebp
test eax, eax
mov edx, edi
je 0x40ab4b
mov eax, dword [esp + 0x20]
mov ecx, eax
and eax, 0x1f
sar ecx, 5
lea ebx, [eax + eax*8]
mov eax, dword [ecx*4 + 0x4172a0]
lea esi, [ecx*4 + 0x4172a0]
shl ebx, 2
mov dword [esp + 0x18], esi
lea ecx, [ebx + eax]
mov al, byte [ebx + eax + 4]
test al, 2
jne 0x40ab4b
test al, 0x48
je 0x40a9a3
mov al, byte [ecx + 5]
cmp al, 0xa
je 0x40a9a3
mov byte [edi], al
mov eax, dword [esp + 0x28]
mov ecx, dword [esi]
dec eax
lea edx, [edi + 1]
mov ebp, 1
mov dword [esp + 0x28], eax
mov byte [ebx + ecx + 5], 0xa
mov ecx, dword [esp + 0x28]
lea eax, [esp + 0x14]
push 0
push eax
push ecx
push edx
mov edx, dword [esi]
mov eax, dword [ebx + edx]
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x40aa09
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 5
jne 0x40a9ec
call fcn.004090f0
mov dword [eax], 9
call fcn.00409100
mov dword [eax], 5
or eax, 0xffffffff
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
cmp eax, 0x6d
je 0x40ab4b
push eax
call fcn.00409070
add esp, 4
or eax, 0xffffffff
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
mov ecx, dword [esi]
mov edx, dword [esp + 0x14]
add ebp, edx
mov al, byte [ebx + ecx + 4]
lea ecx, [ebx + ecx + 4]
test al, 0x80
je 0x40ab41
test edx, edx
je 0x40aa2e
cmp byte [edi], 0xa
jne 0x40aa2e
or al, 4
jmp 0x40aa30
and al, 0xfb
mov byte [ecx], al
mov eax, dword [esp + 0x24]
add ebp, eax
mov esi, edi
cmp eax, ebp
mov dword [esp + 0x28], ebp
jae 0x40ab3b
mov al, byte [edi]
cmp al, 0x1a
je 0x40ab25
cmp al, 0xd
je 0x40aa5d
mov byte [esi], al
inc esi
inc edi
jmp 0x40ab09
dec ebp
cmp edi, ebp
jae 0x40aa7d
cmp byte [edi + 1], 0xa
jne 0x40aa73
add edi, 2
mov byte [esi], 0xa
jmp 0x40ab08
mov byte [esi], 0xd
inc esi
inc edi
jmp 0x40ab09
mov ecx, dword [esp + 0x18]
xor ebp, ebp
lea edx, [esp + 0x14]
push ebp
push edx
mov edx, dword [ecx]
lea eax, [esp + 0x1b]
push 1
push eax
mov eax, dword [ebx + edx]
push eax
inc edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x40aaa9
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov ebp, eax
test ebp, ebp
jne 0x40ab05
mov eax, dword [esp + 0x14]
test eax, eax
je 0x40ab05
mov ecx, dword [esp + 0x18]
mov edx, dword [ecx]
test byte [ebx + edx + 4], 0x48
je 0x40aada
mov al, byte [esp + 0x13]
cmp al, 0xa
jne 0x40aace
mov byte [esi], al
jmp 0x40ab08
mov byte [esi], 0xd
mov ecx, dword [ecx]
inc esi
mov byte [ebx + ecx + 5], al
jmp 0x40ab09
cmp esi, dword [esp + 0x24]
jne 0x40aaec
cmp byte [esp + 0x13], 0xa
jne 0x40aaec
mov byte [esi], 0xa
jmp 0x40ab08
mov edx, dword [esp + 0x20]
push 1
push 0xffffffffffffffff
push edx
call fcn.0040c5b0
mov al, byte [esp + 0x1f]
add esp, 0xc
cmp al, 0xa
je 0x40ab09
mov byte [esi], 0xd
inc esi
mov ebp, dword [esp + 0x28]
cmp edi, ebp
jb 0x40aa46
sub esi, dword [esp + 0x24]
mov ebp, esi
mov eax, ebp
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
mov eax, dword [esp + 0x18]
mov ecx, dword [eax]
mov al, byte [ebx + ecx + 4]
test al, 0x40
lea ebx, [ebx + ecx + 4]
jne 0x40ab3b
or al, 2
mov byte [ebx], al
sub esi, dword [esp + 0x24]
mov ebp, esi
mov eax, ebp
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc
ret
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0xc
ret