Function at 0x4a7dad
Capabilities:
Get file size
Read file on windows

Disassembly:
push 0x738
mov eax, 0x535b80
call fcn.00507124
mov esi, dword [ebp + 8]
lea ecx, [ebp - 0x508]
call fcn.00498b5f
xor ebx, ebx
lea ecx, [ebp - 0x508]
push ebx
push ebx
push esi
mov dword [ebp - 4], ebx
call fcn.0049d48f
lea eax, [ebp - 0x400]
push eax
lea ecx, [ebp - 0x19c]
call fcn.004968e6
mov byte [ebp - 4], 1
mov esi, ebx
mov edi, ebx
call fcn.0049a4de
push eax
lea ecx, [ebp - 0x94]
call fcn.004968e6
mov byte [ebp - 4], 2
call fcn.0049a4ea
mov ecx, eax
call fcn.004971ba
test al, al
je 0x4a7ebe
lea eax, [ebp - 0x19c]
push eax
lea ecx, [ebp - 0x94]
call fcn.00496b53
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocString
lea ecx, [ebp - 0x94]
call fcn.00497005
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4a7e6f
lea ecx, [ebp - 0x94]
mov byte [ebp - 4], 1
call fcn.00496a0e
jmp 0x4a8038
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x4a7e5b
and dword [ebp - 0x744], 0
push edi
call fcn.004eb4a2
pop ecx
push 0
mov esi, eax
lea eax, [ebp - 0x744]
push eax
push edi
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x744], edi
je 0x4a8025
push esi
call fcn.00502bef
pop ecx
xor esi, esi
jmp 0x4a7e5b
call fcn.0049a4ea
push eax
lea ecx, [ebp - 0x94]
call fcn.00496b53
call fcn.0049a752
test al, al
je 0x4a7ee1
call fcn.0049a4f0
mov ebx, eax
jmp 0x4a7f46
call fcn.0049a4f6
push eax
lea ecx, [ebp - 0x220]
call fcn.004968e6
push ebx
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 3
call fcn.00497005
push eax
call fcn.004c7aa4
pop ecx
pop ecx
push eax
lea ecx, [ebp - 0x94]
mov dword [ebp - 0x73c], eax
call fcn.00497005
push eax
call fcn.004c9b82
mov ebx, eax
mov eax, dword [ebp - 0x73c]
pop ecx
pop ecx
test eax, eax
je 0x4a7f37
push eax
call fcn.00502bef
pop ecx
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 2
call fcn.00496a0e
test ebx, ebx
je 0x4a7e5b
and dword [ebp - 0x740], 0
lea eax, [ebp - 0x19c]
push eax
lea ecx, [ebp - 0x118]
call fcn.004968e6
push 0x539de4
push 0x539de8
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 4
call fcn.00497384
lea eax, [ebp - 0x738]
push eax
lea eax, [ebp - 0x740]
push eax
push 1
lea ecx, [ebp - 0x118]
call fcn.00497005
push eax
push ebx
call fcn.004c9559
add esp, 0x14
test eax, eax
je 0x4a7fbd
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 2
call fcn.00496a0e
jmp 0x4a7e5b
mov edi, dword [ebp - 0x50c]
test edi, edi
je 0x4a7fa9
push edi
call fcn.004eb4a2
push edi
mov esi, eax
push esi
push dword [ebp - 0x740]
push ebx
call fcn.004c9fb9
add esp, 0x14
test eax, eax
je 0x4a8006
cmp eax, 0x600
je 0x4a8006
push esi
call fcn.00502bef
pop ecx
xor esi, esi
call fcn.0049a752
test al, al
jne 0x4a7fa9
push ebx
call fcn.004c9341
pop ecx
jmp 0x4a7fa9
call fcn.0049a752
test al, al
jne 0x4a8016
push ebx
call fcn.004c9341
pop ecx
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 2
call fcn.00496a0e
lea ecx, [ebp - 0x94]
mov byte [ebp - 4], 1
call fcn.00496a0e
test esi, esi
jne 0x4a80ac
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
lea ecx, [ebp - 0x19c]
call fcn.00497005
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x4a80ac
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x4a80ac
and dword [ebp - 0x73c], 0
push edi
call fcn.004eb4a2
pop ecx
push 0
mov esi, eax
lea eax, [ebp - 0x73c]
push eax
push edi
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [ebp - 0x73c], edi
je 0x4a80ac
push esi
call fcn.00502bef
pop ecx
xor esi, esi
xor ebx, ebx
test esi, esi
je 0x4a80c4
push edi
push esi
call fcn.004a7d42
push esi
mov ebx, eax
call fcn.00502bef
add esp, 0xc
lea ecx, [ebp - 0x19c]
mov byte [ebp - 4], 0
call fcn.00496a0e
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x508]
call fcn.00498fdb
mov eax, ebx
call fcn.005070d3
ret