Function at 0x403ca3
Capabilities:
Get file size
Read file on windows

Disassembly:
sub esp, 0x10
push ebx
push ebp
push esi
push edi
push dword [0x4a7408]
xor ebp, ebp
mov dword [esp + 0x1c], ebp
call fcn.004108eb
mov edi, eax
call fcn.00404274
mov esi, dword [esp + 0x24]
test esi, esi
jne 0x403ccf
mov esi, section..rdata
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 0x403d76
push ebp
push pe_nt_image_headers32
push 3
push ebp
push 1
push 0x80000000
push esi
call ebx
mov dword [edi], eax
cmp eax, 0xffffffff
jne 0x403d25
push ebp
push pe_nt_image_headers32
push 3
push ebp
push 3
push 0x80000000
push esi
call ebx
mov dword [edi], eax
cmp dword [edi], 0xffffffff
mov dword [edi + 0xc], 1
jne 0x403d76
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 [0x4a6a68]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [edi + 4], eax
test eax, eax
je 0x403ff7
push esi
push eax
call sub.MSVCRT.dll_wcscpy
pop ecx
pop ecx
jmp 0x403ff7
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 0x403ded
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 0x403dde
push esi
lea eax, [esp + 0x14]
push 0x44f00c
push eax
call sub.MSVCRT.dll_memcmp
add esp, 0xc
test eax, eax
jne 0x403dde
mov dword [edi + 0x18], 0xfde9
mov eax, dword [esp + 0x14]
sub eax, esi
mov dword [esp + 0x14], eax
jmp 0x403ded
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 0x403e84
add eax, 2
push eax
push ebp
push dword [0x4a6a68]
cmp dword [edi + 0x18], ebp
jne 0x403eb9
mov ebp, dword [sym.imp.KERNEL32.dll_HeapAlloc]
call ebp
mov esi, eax
test esi, esi
je 0x403e80
mov eax, dword [esp + 0x14]
lea eax, [eax*4 + 2]
push eax
push 0
push dword [0x4a6a68]
call ebp
mov dword [edi + 0x10], eax
test eax, eax
je 0x403e80
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.004113c0
push esi
push 0
mov dword [edi + 0x18], 0xfde9
push dword [0x4a6a68]
call dword [sym.imp.KERNEL32.dll_HeapFree]
mov eax, dword [esp + 0x14]
mov ecx, dword [edi + 0x10]
test ecx, ecx
je 0x403ff7
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 0x403ff7
mov al, byte [esi]
cmp al, 0x20
je 0x403eb6
cmp al, 9
jne 0x403edf
inc esi
jmp 0x403eac
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov dword [edi + 0x10], eax
test eax, eax
je 0x403e80
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 0x403e84
mov al, byte [esi]
cmp al, 0x3b
jne 0x403f23
inc esi
cmp byte [esi], 0x20
jne 0x403eec
inc esi
push esi
push 2
push dword [esp + 0x20]
lea eax, [edi + 0x1c]
push eax
call fcn.00404011
add esp, 0x10
mov dword [esp + 0x18], eax
jmp 0x403f19
mov cl, byte [esi]
cmp cl, bl
je 0x403fe0
cmp cl, 0xd
je 0x403fe0
inc esi
cmp byte [esi], 0
jne 0x403f05
jmp 0x403fe0
cmp al, 0x5b
jne 0x403f74
inc esi
lea eax, [edi + 0x1c]
push esi
push 1
push dword [esp + 0x20]
push eax
call fcn.00404011
add esp, 0x10
mov dword [esp + 0x18], eax
jmp 0x403f50
mov al, byte [esi]
cmp al, 0x5d
je 0x403f5e
cmp al, bl
je 0x403f55
cmp al, 0xd
je 0x403f55
inc esi
cmp byte [esi], 0
jne 0x403f41
cmp byte [esi], 0x5d
jne 0x403fe0
mov byte [esi], 0
jmp 0x403f6b
cmp al, bl
je 0x403fe3
cmp al, 0xd
je 0x403fe4
inc esi
mov al, byte [esi]
test al, al
jne 0x403f63
jmp 0x403fe4
cmp al, bl
je 0x403fe4
cmp al, 0xd
je 0x403fe4
mov edx, esi
jmp 0x403f8f
cmp al, 0x3d
je 0x403f93
cmp al, 0xd
je 0x403f93
cmp al, bl
je 0x403f93
inc esi
mov al, byte [esi]
test al, al
jne 0x403f80
lea eax, [esi - 1]
jmp 0x403fa5
mov cl, byte [eax]
cmp cl, 0x20
je 0x403fa4
cmp cl, 9
jne 0x403fa9
dec eax
cmp eax, edx
ja 0x403f98
mov byte [eax + 1], 0
inc esi
mov al, byte [esi]
cmp al, 0x20
je 0x403fad
cmp al, 9
je 0x403fad
push esi
push edx
push dword [esp + 0x20]
lea eax, [edi + 0x1c]
push eax
call fcn.00404011
add esp, 0x10
mov dword [esp + 0x18], eax
jmp 0x403fdb
mov al, byte [esi]
cmp al, bl
je 0x403fe0
cmp al, 0xd
je 0x403fe0
inc esi
cmp byte [esi], 0
jne 0x403fd0
mov byte [esi], 0
inc esi
mov al, byte [esi]
cmp al, bl
je 0x403fe3
cmp al, 0xd
je 0x403fe3
cmp esi, dword [edi + 0x14]
jb 0x403eac
mov eax, dword [edi]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret 8