Function at 0x497570
Capabilities:
Clear file content
Get file attributes
Write file on windows

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x521d18
push eax
mov dword fs:[0], esp
sub esp, 0x14
push esi
mov esi, dword [esp + 0x28]
test esi, esi
push edi
jne 0x4975a5
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x14]
mov dword fs:[0], ecx
add esp, 0x20
ret
lea edi, [esi + 4]
push 0
push edi
mov dword [esp + 0x20], edi
call fcn.0043f710
add esp, 8
test eax, eax
je 0x4975d9
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
test al, 1
je 0x4975d9
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x14]
mov dword fs:[0], ecx
add esp, 0x20
ret
mov eax, dword [0x53c1a0]
push ebx
mov dword [esp + 0x18], 0
mov dword [esp + 0xc], eax
mov eax, dword [esi + 0x210]
mov dword [esp + 0x28], 0
mov ecx, dword [eax]
cmp ecx, eax
mov dword [esp + 0x10], ecx
je 0x497759
mov edi, dword [sym.imp.KERNEL32.dll_lstrlenW]
mov ecx, 0x569528
test ecx, ecx
jne 0x49761a
xor eax, eax
jmp 0x497621
push 0x569528
call edi
push 0x569528
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov edx, dword [esp + 0x10]
mov esi, dword [edx + 0xc]
test esi, esi
jne 0x49763f
xor eax, eax
jmp 0x497642
push esi
call edi
push esi
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov eax, 0x569520
test eax, eax
je 0x49765d
push 0x569520
call edi
push 0x569520
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov ecx, dword [esp + 0x10]
mov ebx, dword [ecx + 0x10]
mov edx, dword [ebx + 4]
mov eax, dword [edx]
mov dword [esp + 0x14], eax
mov ecx, dword [ebx + 4]
cmp eax, ecx
je 0x497717
mov esi, dword [eax + 0xc]
test esi, esi
jne 0x497692
xor eax, eax
jmp 0x497695
push esi
call edi
push esi
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov eax, 0x55b554
test eax, eax
je 0x4976b0
push 0x55b554
call edi
push 0x55b554
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov ecx, dword [esp + 0x14]
mov esi, dword [ecx + 0x10]
test esi, esi
jne 0x4976ce
xor eax, eax
jmp 0x4976d1
push esi
call edi
push esi
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov edx, 0x53e704
test edx, edx
jne 0x4976e9
xor eax, eax
jmp 0x4976f0
push 0x53e704
call edi
push 0x53e704
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
lea ecx, [esp + 0x14]
call fcn.00499ff0
mov ecx, dword [ebx + 4]
mov eax, dword [esp + 0x14]
cmp eax, ecx
jne 0x497687
mov eax, 0x53e704
test eax, eax
je 0x497727
push 0x53e704
call edi
push 0x53e704
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
lea ecx, [esp + 0x10]
call fcn.00499a70
mov ecx, dword [esp + 0x30]
mov eax, dword [ecx + 0x210]
mov ecx, dword [esp + 0x10]
cmp ecx, eax
jne 0x49760d
mov edi, dword [esp + 0x1c]
push 0
push 0x20
push 4
push 0
push 1
push 0x40000000
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x497803
mov edx, dword [esp + 0xc]
mov edi, dword [edx - 8]
shl edi, 1
jne 0x49778e
push ebx
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
jmp 0x4977fc
add edi, 2
lea eax, [edi + 2]
push eax
call sub.MSVCRT.dll_void____cdecl_operator_new_unsigned_int_
mov esi, eax
add esp, 4
test esi, esi
lea ecx, [esi + edi]
mov word [ecx], 0
je 0x4977fc
mov word [esi], 0xfeff
mov edx, dword [esp + 0xc]
lea eax, [esi + 2]
push edx
push eax
call dword [sym.imp.MSVCRT.dll_wcscpy]
add esp, 8
lea ecx, [esp + 0x30]
mov dword [esp + 0x30], 0
push 0
push ecx
push edi
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x4977f3
push ebx
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
cmp dword [esp + 0x30], edi
jne 0x4977f3
mov dword [esp + 0x18], 1
push esi
call fcn.0051e1fa
add esp, 4
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esp + 0xc]
mov ecx, dword [0x53c120]
pop ebx
lea edx, [eax - 0xc]
cmp edx, ecx
je 0x497833
add eax, 0xfffffff4
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
test eax, eax
jg 0x497833
mov eax, dword [esp + 8]
add eax, 0xfffffff4
push eax
call fcn.0051e1fa
add esp, 4
mov ecx, dword [esp + 0x1c]
mov eax, dword [esp + 0x14]
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x20
ret