Function at 0x4971e0
Capabilities:
Clear file content
Get file attributes
Write file on windows

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x520bb8
push eax
mov dword fs:[0], esp
sub esp, 0x14
push esi
mov esi, dword [esp + 0x28]
test esi, esi
push edi
jne 0x497215
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.0043f630
add esp, 8
test eax, eax
je 0x497249
push edi
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
test al, 1
je 0x497249
pop edi
xor eax, eax
pop esi
mov ecx, dword [esp + 0x14]
mov dword fs:[0], ecx
add esp, 0x20
ret
mov eax, dword [0x5391a0]
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 0x4973c7
mov edi, dword [sym.imp.KERNEL32.dll_lstrlenW]
mov ecx, 0x566528
test ecx, ecx
jne 0x49728a
xor eax, eax
jmp 0x497291
push 0x566528
call edi
push 0x566528
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov edx, dword [esp + 0x10]
mov esi, dword [edx + 0xc]
test esi, esi
jne 0x4972af
xor eax, eax
jmp 0x4972b2
push esi
call edi
push esi
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov eax, 0x566520
test eax, eax
je 0x4972cd
push 0x566520
call edi
push 0x566520
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 0x497387
mov esi, dword [eax + 0xc]
test esi, esi
jne 0x497302
xor eax, eax
jmp 0x497305
push esi
call edi
push esi
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov eax, 0x558554
test eax, eax
je 0x497320
push 0x558554
call edi
push 0x558554
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov ecx, dword [esp + 0x14]
mov esi, dword [ecx + 0x10]
test esi, esi
jne 0x49733e
xor eax, eax
jmp 0x497341
push esi
call edi
push esi
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
mov edx, 0x53b704
test edx, edx
jne 0x497359
xor eax, eax
jmp 0x497360
push 0x53b704
call edi
push 0x53b704
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
lea ecx, [esp + 0x14]
call fcn.00499c20
mov eax, dword [esp + 0x14]
mov ecx, dword [ebx + 4]
cmp eax, ecx
jne 0x4972f7
mov eax, 0x53b704
test eax, eax
je 0x497397
push 0x53b704
call edi
push 0x53b704
push eax
lea ecx, [esp + 0x14]
call fcn.004050a0
lea ecx, [esp + 0x10]
call fcn.00499730
mov edx, dword [esp + 0x30]
mov ecx, dword [esp + 0x10]
cmp ecx, dword [edx + 0x210]
jne 0x49727d
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 0x497471
mov eax, dword [esp + 0xc]
mov edi, dword [eax - 8]
shl edi, 1
jne 0x4973fc
push ebx
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
jmp 0x49746a
add edi, 2
lea ecx, [edi + 2]
push ecx
call sub.MSVCRT.dll_void____cdecl_operator_new_unsigned_int_
mov esi, eax
add esp, 4
test esi, esi
lea edx, [esi + edi]
mov word [edx], 0
je 0x49746a
mov word [esi], 0xfeff
mov eax, dword [esp + 0xc]
lea ecx, [esi + 2]
push eax
push ecx
call dword [sym.imp.MSVCRT.dll_wcscpy]
add esp, 8
lea edx, [esp + 0x30]
mov dword [esp + 0x30], 0
push 0
push edx
push edi
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
je 0x497461
push ebx
call dword [sym.imp.KERNEL32.dll_SetEndOfFile]
cmp dword [esp + 0x30], edi
jne 0x497461
mov dword [esp + 0x18], 1
push esi
call fcn.0051d79a
add esp, 4
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [esp + 0xc]
mov edx, dword [0x539120]
pop ebx
lea ecx, [eax - 0xc]
cmp ecx, edx
je 0x4974a1
add eax, 0xfffffff4
push eax
call dword [sym.imp.KERNEL32.dll_InterlockedDecrement]
test eax, eax
jg 0x4974a1
mov edx, dword [esp + 8]
add edx, 0xfffffff4
push edx
call fcn.0051d79a
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