Injecting a bit of code on an executable.

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1.00/5 (3 votes)

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I have an executable, and I can't do this through code.
I want to inject a little conditional when running the file. This will prevent people of changing the name of the executable.
It would be like:

If this.filename != "RightName" then STOP running

Any ideas? I know it is a bit odd, but I really need that.

Edit:
Ok. I'm a Game Unity Developer. Before game and some of the code I wrote starts, Unity starts a little window, where you can inject some things through cheat engine or some things like that.
I have some problems with hackers, but I need to fix one, that works by changing the name of the executable. I can't program anything because, hackers can edit my code too by decompiling Unity's DLL.

What I have tried:

I couldn't try nothing, because I don't know much about this.
I searched a lot, but I couldn't find any results.

Posted 16-Jun-20 7:03am

G44Gonzalo [ G44 YT ]

Updated 17-Jun-20 1:18am

v2

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ZurdoDev 16-Jun-20 13:25pm

First google result,c# - How do I find the current executable filename? - Stack Overflow[^]

[no name] 16-Jun-20 13:51pm

And why c#?

ZurdoDev 16-Jun-20 14:05pm

Why not?

G44Gonzalo [ G44 YT ] 16-Jun-20 15:20pm

Well thank you, but that is not what I'm searching for.

ZurdoDev 16-Jun-20 15:28pm

Then you need to be more clear about what you want because it tells you how to get the name of the executing file. You can compare it to whatever you want and then do whatever you want.

G44Gonzalo [ G44 YT ] 17-Jun-20 6:28am

Ok, I should write this before. I'm a Game Unity Developer. Before game and some of the code I wrote starts, Unity starts a little window, where you can inject some things through cheat engine or some things like that.
I have some problems with hackers, but I need to fix one, that works by changing the name of the executable. I can't program anything because, hackers can edit my code too by decompiling Unity's DLL.

ZurdoDev 17-Jun-20 7:49am

Yes, that is a completely different story. I would contact Unity and ask them how they suggest you handle that.

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MadMyche · Answer 1 · 2020-06-16T07:56:00

Solution 1

When all is said and done; you cannot.

The only real way to do this would be within the code of the actual application.

While you could wrap the executable inside of another package, but then you could also subvert that by calling the file directly.

Posted 16-Jun-20 7:56am

MadMyche

Comments

ZurdoDev 16-Jun-20 14:05pm

If you had a windows console app (as a simple example) in the main() you could check the file name and exit if it isn't what you wanted.

MadMyche 16-Jun-20 17:53pm

That does not meet the requirement I have an executable, and I can't do this through code

ZurdoDev 16-Jun-20 18:19pm

The OP is saying they don’t know how to do it through code, not that the requirement is to not use code.

MadMyche 16-Jun-20 18:59pm

As you commented earlier, the OP needs to clarify the question

honey the codewitch · Answer 2 · 2020-06-16T08:35:00

I used to do this some time ago to support an aspect oriented framework over the top of COM and automation. I eventually abandoned the effort even though it worked.

There are several problems with this approach.

It will flag most virus scanners.

In many cases it is not reliable if the executable changes.

It may not work with DEP, which these days is active on most machines I think.

Richard MacCutchan · Answer 3 · 2020-06-17T01:19:00

Solution 3

See Unity - Scripting API: Application.productName[^]

Posted 17-Jun-20 1:19am

Richard MacCutchan