Function at 0x4a9037
Capabilities:
Get file size
Read file on windows

Disassembly:
push 0x738
mov eax, 0x537735
call fcn.00508cd4
mov esi, dword [ebp + 8]
lea ecx, [ebp - 0x508]
call fcn.00499d83
xor ebx, ebx
lea ecx, [ebp - 0x508]
push ebx
push ebx
push esi
mov dword [ebp - 4], ebx
call fcn.0049e6b1
lea eax, [ebp - 0x400]
push eax
lea ecx, [ebp - 0x19c]
call fcn.00497a52
mov byte [ebp - 4], 1
mov esi, ebx
mov edi, ebx
call fcn.0049b702
push eax
lea ecx, [ebp - 0x94]
call fcn.00497a52
mov byte [ebp - 4], 2
call fcn.0049b70e
mov ecx, eax
call fcn.00498326
test al, al
je 0x4a9148
lea eax, [ebp - 0x19c]
push eax
lea ecx, [ebp - 0x94]
call fcn.00497caf
push ebx
push 0x80
push 3
push ebx
push 1
push SysReAllocString
lea ecx, [ebp - 0x94]
call fcn.00498171
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x4a90f9
lea ecx, [ebp - 0x94]
mov byte [ebp - 4], 1
call fcn.00497b7a
jmp 0x4a92c2
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x4a90e5
and dword [ebp - 0x744], 0
push edi
call fcn.004eca91
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 0x4a92af
push esi
call fcn.0050479f
pop ecx
xor esi, esi
jmp 0x4a90e5
call fcn.0049b70e
push eax
lea ecx, [ebp - 0x94]
call fcn.00497caf
call fcn.0049b976
test al, al
je 0x4a916b
call fcn.0049b714
mov ebx, eax
jmp 0x4a91d0
call fcn.0049b71a
push eax
lea ecx, [ebp - 0x220]
call fcn.00497a52
push ebx
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 3
call fcn.00498171
push eax
call fcn.004a08f1
pop ecx
pop ecx
push eax
lea ecx, [ebp - 0x94]
mov dword [ebp - 0x73c], eax
call fcn.00498171
push eax
call fcn.004caea6
mov ebx, eax
mov eax, dword [ebp - 0x73c]
pop ecx
pop ecx
test eax, eax
je 0x4a91c1
push eax
call fcn.0050479f
pop ecx
lea ecx, [ebp - 0x220]
mov byte [ebp - 4], 2
call fcn.00497b7a
test ebx, ebx
je 0x4a90e5
and dword [ebp - 0x740], 0
lea eax, [ebp - 0x19c]
push eax
lea ecx, [ebp - 0x118]
call fcn.00497a52
push 0x53bde4
push 0x53bde8
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 4
call fcn.004984f0
lea eax, [ebp - 0x738]
push eax
lea eax, [ebp - 0x740]
push eax
push 1
lea ecx, [ebp - 0x118]
call fcn.00498171
push eax
push ebx
call fcn.004ca87d
add esp, 0x14
test eax, eax
je 0x4a9247
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 2
call fcn.00497b7a
jmp 0x4a90e5
mov edi, dword [ebp - 0x50c]
test edi, edi
je 0x4a9233
push edi
call fcn.004eca91
push edi
mov esi, eax
push esi
push dword [ebp - 0x740]
push ebx
call fcn.004cb2dd
add esp, 0x14
test eax, eax
je 0x4a9290
cmp eax, 0x600
je 0x4a9290
push esi
call fcn.0050479f
pop ecx
xor esi, esi
call fcn.0049b976
test al, al
jne 0x4a9233
push ebx
call fcn.004ca665
pop ecx
jmp 0x4a9233
call fcn.0049b976
test al, al
jne 0x4a92a0
push ebx
call fcn.004ca665
pop ecx
lea ecx, [ebp - 0x118]
mov byte [ebp - 4], 2
call fcn.00497b7a
lea ecx, [ebp - 0x94]
mov byte [ebp - 4], 1
call fcn.00497b7a
test esi, esi
jne 0x4a9336
push 0
push 0x80
push 3
push 0
push 1
push SysReAllocString
lea ecx, [ebp - 0x19c]
call fcn.00498171
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x4a9336
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
test edi, edi
je 0x4a9336
and dword [ebp - 0x73c], 0
push edi
call fcn.004eca91
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 0x4a9336
push esi
call fcn.0050479f
pop ecx
xor esi, esi
xor ebx, ebx
test esi, esi
je 0x4a934e
push edi
push esi
call fcn.004a8fcc
push esi
mov ebx, eax
call fcn.0050479f
add esp, 0xc
lea ecx, [ebp - 0x19c]
mov byte [ebp - 4], 0
call fcn.00497b7a
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x508]
call fcn.0049a1ff
mov eax, ebx
call fcn.00508c83
ret