Function at 0x486187
Capabilities:
Get file size
Read file on windows

Disassembly:
sub esp, 0x10
push ebx
push ebp
push esi
push edi
push dword [0xb42718]
xor ebp, ebp
mov dword [esp + 0x1c], ebp
call fcn.004aa9b6
mov edi, eax
call fcn.00486940
mov esi, dword [esp + 0x24]
test esi, esi
jne 0x4861b3
mov esi, 0x5380c4
mov ebx, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebp
push pe_nt_image_headers32
push 3
push ebp
push 1
push 0xc0000000
push esi
mov dword [edi + 0xc], ebp
call ebx
mov dword [edi], eax
cmp eax, 0xffffffff
jne 0x48625a
push ebp
push pe_nt_image_headers32
push 3
push ebp
push 1
push closesocket
push esi
call ebx
mov dword [edi], eax
cmp eax, 0xffffffff
jne 0x486209
push ebp
push pe_nt_image_headers32
push 3
push ebp
push 3
push closesocket
push esi
call ebx
mov dword [edi], eax
cmp dword [edi], 0xffffffff
mov dword [edi + 0xc], 1
jne 0x48625a
mov eax, dword [esp + 0x28]
push esi
mov dword [edi], ebp
mov dword [edi + 0x2c], eax
mov dword [edi + 0x18], 0xfde9
call sub.MSVCRT.dll_wcslen
pop ecx
lea eax, [eax*2 + 2]
push eax
push ebp
push dword [0xb3fee4]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [edi + 4], eax
test eax, eax
je 0x4864db
push esi
push eax
call sub.MSVCRT.dll_wcscpy
pop ecx
pop ecx
jmp 0x4864db
push ebp
push dword [edi]
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov ebx, dword [sym.imp.KERNEL32.dll_ReadFile]
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x28]
push 3
mov dword [edi + 0x18], ebp
mov dword [edi + 0x2c], eax
mov eax, dword [esp + 0x18]
pop esi
cmp eax, esi
jl 0x4862d1
push ebp
lea eax, [esp + 0x20]
push eax
push esi
lea eax, [esp + 0x1c]
push eax
push dword [edi]
call ebx
cmp dword [esp + 0x1c], esi
jne 0x4862c2
push esi
lea eax, [esp + 0x14]
push 0x54c294
push eax
call sub.MSVCRT.dll_memcmp
add esp, 0xc
test eax, eax
jne 0x4862c2
mov dword [edi + 0x18], 0xfde9
mov eax, dword [esp + 0x14]
sub eax, esi
mov dword [esp + 0x14], eax
jmp 0x4862d1
push ebp
push ebp
push ebp
push dword [edi]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov eax, dword [esp + 0x14]
test eax, eax
jle 0x486368
add eax, 2
push eax
push ebp
push dword [0xb3fee4]
cmp dword [edi + 0x18], ebp
jne 0x48639d
mov ebp, dword [sym.imp.KERNEL32.dll_HeapAlloc]
call ebp
mov esi, eax
test esi, esi
je 0x486364
mov eax, dword [esp + 0x14]
lea eax, [eax*4 + 2]
push eax
push 0
push dword [0xb3fee4]
call ebp
mov dword [edi + 0x10], eax
test eax, eax
je 0x486364
push 0
lea eax, [esp + 0x20]
push eax
push dword [esp + 0x1c]
push esi
push dword [edi]
call ebx
mov eax, dword [esp + 0x1c]
mov dword [esp + 0x28], eax
mov eax, dword [esp + 0x14]
shl eax, 2
mov dword [esp + 0x14], eax
lea eax, [esp + 0x28]
push eax
push esi
lea eax, [esp + 0x1c]
push eax
push dword [edi + 0x10]
call fcn.004ac3e0
push esi
push 0
mov dword [edi + 0x18], 0xfde9
push dword [0xb3fee4]
call dword [sym.imp.KERNEL32.dll_HeapFree]
mov eax, dword [esp + 0x14]
mov ecx, dword [edi + 0x10]
test ecx, ecx
je 0x4864db
xor edx, edx
mov word [ecx + eax], dx
mov eax, dword [esp + 0x14]
mov esi, dword [edi + 0x10]
add eax, esi
mov dword [edi + 0x14], eax
push 0xa
pop ebx
cmp esi, eax
jae 0x4864db
mov al, byte [esi]
cmp al, 0x20
je 0x48639a
cmp al, 9
jne 0x4863c3
inc esi
jmp 0x486390
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [edi + 0x10], eax
test eax, eax
je 0x486364
push ebp
lea ecx, [esp + 0x20]
push ecx
push dword [esp + 0x1c]
push eax
push dword [edi]
call ebx
mov eax, dword [esp + 0x1c]
mov dword [esp + 0x14], eax
jmp 0x486368
mov al, byte [esi]
cmp al, 0x3b
jne 0x486407
inc esi
cmp byte [esi], 0x20
jne 0x4863d0
inc esi
push esi
push 2
push dword [esp + 0x20]
lea eax, [edi + 0x1c]
push eax
call fcn.004864f5
add esp, 0x10
mov dword [esp + 0x18], eax
jmp 0x4863fd
mov cl, byte [esi]
cmp cl, bl
je 0x4864c4
cmp cl, 0xd
je 0x4864c4
inc esi
cmp byte [esi], 0
jne 0x4863e9
jmp 0x4864c4
cmp al, 0x5b
jne 0x486458
inc esi
lea eax, [edi + 0x1c]
push esi
push 1
push dword [esp + 0x20]
push eax
call fcn.004864f5
add esp, 0x10
mov dword [esp + 0x18], eax
jmp 0x486434
mov al, byte [esi]
cmp al, 0x5d
je 0x486442
cmp al, bl
je 0x486439
cmp al, 0xd
je 0x486439
inc esi
cmp byte [esi], 0
jne 0x486425
cmp byte [esi], 0x5d
jne 0x4864c4
mov byte [esi], 0
jmp 0x48644f
cmp al, bl
je 0x4864c7
cmp al, 0xd
je 0x4864c8
inc esi
mov al, byte [esi]
test al, al
jne 0x486447
jmp 0x4864c8
cmp al, bl
je 0x4864c8
cmp al, 0xd
je 0x4864c8
mov edx, esi
jmp 0x486473
cmp al, 0x3d
je 0x486477
cmp al, 0xd
je 0x486477
cmp al, bl
je 0x486477
inc esi
mov al, byte [esi]
test al, al
jne 0x486464
lea eax, [esi - 1]
jmp 0x486489
mov cl, byte [eax]
cmp cl, 0x20
je 0x486488
cmp cl, 9
jne 0x48648d
dec eax
cmp eax, edx
ja 0x48647c
mov byte [eax + 1], 0
inc esi
mov al, byte [esi]
cmp al, 0x20
je 0x486491
cmp al, 9
je 0x486491
push esi
push edx
push dword [esp + 0x20]
lea eax, [edi + 0x1c]
push eax
call fcn.004864f5
add esp, 0x10
mov dword [esp + 0x18], eax
jmp 0x4864bf
mov al, byte [esi]
cmp al, bl
je 0x4864c4
cmp al, 0xd
je 0x4864c4
inc esi
cmp byte [esi], 0
jne 0x4864b4
mov byte [esi], 0
inc esi
mov al, byte [esi]
cmp al, bl
je 0x4864c7
cmp al, 0xd
je 0x4864c7
cmp esi, dword [edi + 0x14]
jb 0x486390
mov eax, dword [edi]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret 8