Function at 0x404d30
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
mov eax, dword [ebp + 0x10]
sub esp, 0x10
push ebx
mov ebx, ecx
mov ecx, dword [ebp + 0xc]
test eax, eax
jg 0x404d54
jl 0x404d49
test ecx, ecx
jne 0x404d54
xor eax, eax
xor edx, edx
pop ebx
mov esp, ebp
pop ebp
ret 0xc
cmp dword [ebx + 0x38], 0
push esi
push edi
mov edi, ecx
je 0x404e31
mov ecx, eax
lea edx, [ebx + 0x2c]
mov eax, dword [ebp + 8]
mov dword [ebp - 4], ecx
mov dword [ebp + 8], eax
mov eax, dword [ebx + 0x1c]
mov dword [ebp - 0x10], edx
mov eax, dword [eax]
mov dword [ebp - 0xc], eax
test eax, eax
je 0x404d85
mov eax, dword [edx]
mov eax, dword [eax]
jmp 0x404d87
xor eax, eax
cdq
mov esi, eax
mov eax, edx
mov dword [ebp - 8], eax
test eax, eax
jl 0x404dce
jg 0x404d99
test esi, esi
je 0x404dce
cmp ecx, eax
jg 0x404da8
jl 0x404da3
cmp edi, esi
jae 0x404da8
mov esi, edi
mov dword [ebp - 8], ecx
mov ecx, dword [ebp + 8]
push esi
push dword [ebp - 0xc]
push ecx
call sub.msvcrt.dll_memcpy
mov edx, dword [ebp - 0x10]
add esp, 0xc
mov ecx, dword [ebp - 4]
sub edi, esi
sbb ecx, dword [ebp - 8]
mov eax, dword [edx]
sub dword [eax], esi
mov eax, dword [ebx + 0x1c]
add dword [eax], esi
jmp 0x404df0
mov eax, dword [ebx]
mov ecx, ebx
call dword [eax + 0x1c]
cmp eax, 0xffffffff
je 0x404e1b
mov ecx, dword [ebp + 8]
lea edx, [ebx + 0x2c]
add edi, 0xffffffff
mov esi, 1
mov byte [ecx], al
mov ecx, dword [ebp - 4]
adc ecx, 0xffffffff
add dword [ebp + 8], esi
mov dword [ebp - 4], ecx
test ecx, ecx
jg 0x404d70
jl 0x404e1e
test edi, edi
jne 0x404d70
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
sub eax, edi
pop edi
pop esi
sbb edx, ecx
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov ecx, dword [ebp - 4]
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
sub eax, edi
pop edi
pop esi
sbb edx, ecx
pop ebx
mov esp, ebp
pop ebp
ret 0xc
mov eax, dword [ebx + 0x1c]
mov eax, dword [eax]
mov dword [ebp - 0x10], eax
test eax, eax
je 0x404e79
mov eax, dword [ebx + 0x2c]
lea edx, [ebx + 0x2c]
mov dword [ebp - 8], edx
mov eax, dword [eax]
test eax, eax
je 0x404e7f
mov edi, dword [ebp + 8]
cmp eax, ecx
mov esi, ecx
cmovb esi, eax
push esi
push dword [ebp - 0x10]
push edi
call sub.msvcrt.dll_memcpy
mov eax, dword [ebx + 0x2c]
add edi, esi
mov dword [ebp + 8], edi
add esp, 0xc
mov edi, dword [ebp + 0xc]
sub edi, esi
sub dword [eax], esi
mov eax, dword [ebx + 0x1c]
add dword [eax], esi
jmp 0x404e7f
lea eax, [ebx + 0x2c]
mov dword [ebp - 8], eax
cmp dword [ebx + 0x4c], 0
mov esi, dword [ebp + 8]
je 0x404eea
mov ecx, dword [ebx + 0xc]
lea eax, [ebx + 0x3c]
cmp dword [ecx], eax
jne 0x404eab
mov eax, dword [ebx + 0xc]
mov edx, dword [ebx + 0x54]
mov ecx, dword [ebx + 0x50]
sub edx, ecx
mov dword [eax], ecx
mov eax, dword [ebx + 0x1c]
mov dword [eax], ecx
mov eax, dword [ebp - 8]
mov eax, dword [eax]
mov dword [eax], edx
cmp edi, 0xfff
jbe 0x404ed5
push dword [ebx + 0x4c]
push 0xfff
push 1
push esi
call sub.msvcrt.dll_fread
add esp, 0x10
add esi, eax
sub edi, eax
cmp eax, 0xfff
jne 0x404eea
cmp edi, eax
ja 0x404eb3
test edi, edi
je 0x404eea
push dword [ebx + 0x4c]
push edi
push 1
push esi
call sub.msvcrt.dll_fread
add esp, 0x10
sub edi, eax
mov eax, dword [ebp + 0xc]
mov edx, dword [ebp + 0x10]
sub eax, edi
pop edi
pop esi
sbb edx, 0
pop ebx
mov esp, ebp
pop ebp
ret 0xc