Stream Binary File from Database / webserver? C#

Question

I've started to work on my runPE just to get a little more familiar with C# and how a runPE work. Just for learning purposes. And this is how I do it.

private static void Inject(string injectTo, string binToInject)
{
    int num = 0;
    RunPe.Run(Path.Combine(System.Runtime.InteropServices.RuntimeEnvironment.GetRuntimeDirectory(), /*injectTo*/"ilasm.exe"),"", File.ReadAllBytes(binToInject), 4, ref num);
}

How ever, right now the bin(.exe) file I 'inject' located on my machine, what I would like to do is to stream this bin from DataBase or a server so it would not need to be on my machine. Is that possible?

David · Accepted Answer · 2016-02-09 17:52:48Z

1

Presumably this is the only interaction you have with the file?:

File.ReadAllBytes(binToInject)

All that does is return a byte[] array representing the contents of the file. So anything which returns the same thing would work as a drop-in functional replacement.

Any data access technology (plain ADO.NET, Entity Framework, etc.) would generally treat a BLOB column (which would contain a file) as a byte[], or at least something easily converted to that. So in general, yes, you can serve your file from any source.

answered Feb 9, 2016 at 17:52

David

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2 Comments

Joakim Carlsson Over a year ago

I'll look closer into that, thanks. And File.ReadAllBytes is the only interaction I have right now with the file, though I would not have a problem to change that if it would make the secound part easier.

Joakim Carlsson Over a year ago

Accepting this as an answear as thanks to this i got it working flawless. Thanks a ton.

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