Function at 0x4a7d12
Capabilities:
Get file size
Read file on windows

Disassembly:
push 0x738
mov eax, 0x5361ff
call fcn.005078e4
mov esi, dword [ebp + 8]
lea ecx, [ebp - 0x508]
call fcn.00498a6b
xor ebx, ebx
lea ecx, [ebp - 0x508]
push ebx
push ebx
push esi
mov dword [ebp - 4], ebx
call fcn.0049d38b
lea eax, [ebp - 0x400]
push eax
lea ecx, [ebp - 0x19c]
call fcn.004967f6
mov byte [ebp - 4], 1
mov esi, ebx
mov edi, ebx
call fcn.0049a3dc
push eax
lea ecx, [ebp - 0x94]
call fcn.004967f6
mov byte [ebp - 4], 2
call fcn.0049a3e8
mov ecx, eax
call fcn.004970c6
test al, al
je 0x4a7e23
lea eax, [ebp - 0x19c]
push eax
lea ecx, [ebp - 0x94]
call fcn.00496a63
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocString
lea ecx, [ebp - 0x94]
call fcn.00496f15
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4a7dd4
lea ecx, [ebp - 0x94]
mov byte [ebp - 4], 1
call fcn.0049691e
jmp 0x4a7f9d
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x4a7dc0
and dword [ebp - 0x744], 0
push edi
call fcn.004eb821
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 0x4a7f8a
push esi
call fcn.005033af
pop ecx
xor esi, esi
jmp 0x4a7dc0
call fcn.0049a3e8
push eax
lea ecx, [ebp - 0x94]
call fcn.00496a63
call fcn.0049a650
test al, al
je 0x4a7e46
call fcn.0049a3ee
mov ebx, eax
jmp 0x4a7eab
call fcn.0049a3f4
push eax
lea ecx, [ebp - 0x220]
call fcn.004967f6
push ebx
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 3
call fcn.00496f15
push eax
call fcn.0049f5cb
pop ecx
pop ecx
push eax
lea ecx, [ebp - 0x94]
mov dword [ebp - 0x73c], eax
call fcn.00496f15
push eax
call fcn.004c9ab8
mov ebx, eax
mov eax, dword [ebp - 0x73c]
pop ecx
pop ecx
test eax, eax
je 0x4a7e9c
push eax
call fcn.005033af
pop ecx
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 2
call fcn.0049691e
test ebx, ebx
je 0x4a7dc0
and dword [ebp - 0x740], 0
lea eax, [ebp - 0x19c]
push eax
lea ecx, [ebp - 0x118]
call fcn.004967f6
push 0x53ade4
push 0x53ade8
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 4
call fcn.00497290
lea eax, [ebp - 0x738]
push eax
lea eax, [ebp - 0x740]
push eax
push 1
lea ecx, [ebp - 0x118]
call fcn.00496f15
push eax
push ebx
call fcn.004c948f
add esp, 0x14
test eax, eax
je 0x4a7f22
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 2
call fcn.0049691e
jmp 0x4a7dc0
mov edi, dword [ebp - 0x50c]
test edi, edi
je 0x4a7f0e
push edi
call fcn.004eb821
push edi
mov esi, eax
push esi
push dword [ebp - 0x740]
push ebx
call fcn.004c9eef
add esp, 0x14
test eax, eax
je 0x4a7f6b
cmp eax, 0x600
je 0x4a7f6b
push esi
call fcn.005033af
pop ecx
xor esi, esi
call fcn.0049a650
test al, al
jne 0x4a7f0e
push ebx
call fcn.004c9277
pop ecx
jmp 0x4a7f0e
call fcn.0049a650
test al, al
jne 0x4a7f7b
push ebx
call fcn.004c9277
pop ecx
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 2
call fcn.0049691e
lea ecx, [ebp - 0x94]
mov byte [ebp - 4], 1
call fcn.0049691e
test esi, esi
jne 0x4a8011
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
lea ecx, [ebp - 0x19c]
call fcn.00496f15
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x4a8011
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x4a8011
and dword [ebp - 0x73c], 0
push edi
call fcn.004eb821
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 0x4a8011
push esi
call fcn.005033af
pop ecx
xor esi, esi
xor ebx, ebx
test esi, esi
je 0x4a8029
push edi
push esi
call fcn.004a7ca7
push esi
mov ebx, eax
call fcn.005033af
add esp, 0xc
lea ecx, [ebp - 0x19c]
mov byte [ebp - 4], 0
call fcn.0049691e
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x508]
call fcn.00498ee7
mov eax, ebx
call fcn.00507893
ret