Function at 0x4a7bdf
Capabilities:
Get file size
Read file on windows

Disassembly:
push 0x738
mov eax, 0x535fe1
call fcn.00507844
mov esi, dword [ebp + 8]
lea ecx, [ebp - 0x508]
call fcn.00498975
xor ebx, ebx
lea ecx, [ebp - 0x508]
push ebx
push ebx
push esi
mov dword [ebp - 4], ebx
call fcn.0049d29c
lea eax, [ebp - 0x400]
push eax
lea ecx, [ebp - 0x19c]
call fcn.00496648
mov byte [ebp - 4], 1
mov esi, ebx
mov edi, ebx
call fcn.0049a2ed
push eax
lea ecx, [ebp - 0x94]
call fcn.00496648
mov byte [ebp - 4], 2
call fcn.0049a2f9
mov ecx, eax
call fcn.00496f18
test al, al
je 0x4a7cf0
lea eax, [ebp - 0x19c]
push eax
lea ecx, [ebp - 0x94]
call fcn.004968a8
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocString
lea ecx, [ebp - 0x94]
call fcn.00496864
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4a7ca1
lea ecx, [ebp - 0x94]
mov byte [ebp - 4], 1
call fcn.00496770
jmp 0x4a7e6a
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x4a7c8d
and dword [ebp - 0x744], 0
push edi
call fcn.004eb671
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 0x4a7e57
push esi
call fcn.0050330f
pop ecx
xor esi, esi
jmp 0x4a7c8d
call fcn.0049a2f9
push eax
lea ecx, [ebp - 0x94]
call fcn.004968a8
call fcn.0049a561
test al, al
je 0x4a7d13
call fcn.0049a2ff
mov ebx, eax
jmp 0x4a7d78
call fcn.0049a305
push eax
lea ecx, [ebp - 0x220]
call fcn.00496648
push ebx
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 3
call fcn.00496864
push eax
call fcn.004b485a
pop ecx
pop ecx
push eax
lea ecx, [ebp - 0x94]
mov dword [ebp - 0x73c], eax
call fcn.00496864
push eax
call fcn.004c99fd
mov ebx, eax
mov eax, dword [ebp - 0x73c]
pop ecx
pop ecx
test eax, eax
je 0x4a7d69
push eax
call fcn.0050330f
pop ecx
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 2
call fcn.00496770
test ebx, ebx
je 0x4a7c8d
and dword [ebp - 0x740], 0
lea eax, [ebp - 0x19c]
push eax
lea ecx, [ebp - 0x118]
call fcn.00496648
push 0x53ade4
push 0x53ade8
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 4
call fcn.004970e2
lea eax, [ebp - 0x738]
push eax
lea eax, [ebp - 0x740]
push eax
push 1
lea ecx, [ebp - 0x118]
call fcn.00496864
push eax
push ebx
call fcn.004c93d4
add esp, 0x14
test eax, eax
je 0x4a7def
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 2
call fcn.00496770
jmp 0x4a7c8d
mov edi, dword [ebp - 0x50c]
test edi, edi
je 0x4a7ddb
push edi
call fcn.004eb671
push edi
mov esi, eax
push esi
push dword [ebp - 0x740]
push ebx
call fcn.004c9e34
add esp, 0x14
test eax, eax
je 0x4a7e38
cmp eax, 0x600
je 0x4a7e38
push esi
call fcn.0050330f
pop ecx
xor esi, esi
call fcn.0049a561
test al, al
jne 0x4a7ddb
push ebx
call fcn.004c91bc
pop ecx
jmp 0x4a7ddb
call fcn.0049a561
test al, al
jne 0x4a7e48
push ebx
call fcn.004c91bc
pop ecx
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 2
call fcn.00496770
lea ecx, [ebp - 0x94]
mov byte [ebp - 4], 1
call fcn.00496770
test esi, esi
jne 0x4a7ede
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
lea ecx, [ebp - 0x19c]
call fcn.00496864
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x4a7ede
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x4a7ede
and dword [ebp - 0x73c], 0
push edi
call fcn.004eb671
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 0x4a7ede
push esi
call fcn.0050330f
pop ecx
xor esi, esi
xor ebx, ebx
test esi, esi
je 0x4a7ef6
push edi
push esi
call fcn.004a7b74
push esi
mov ebx, eax
call fcn.0050330f
add esp, 0xc
lea ecx, [ebp - 0x19c]
mov byte [ebp - 4], 0
call fcn.00496770
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x508]
call fcn.00498df1
mov eax, ebx
call fcn.005077f3
ret