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In this lecture we're going to learn how to generate an undetectable backdoor about her is just a file

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that when executed on the target computer it will give us full access to that computer.

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So it'll basically allow us to hack it and do anything that we want on that computer.

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There is a number of ways to generate back doors and what we're interested in is to generate a backdoor

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that is not detectable by antivirus programs.

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Now this is not very hard to achieve as you'll see.

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And we're going to do this using a tool called vild framework.

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Now I already have villes project page open and here I'm going to include its link in the resources

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of the lecture on the top left.

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Now if you're not familiar with good this is a version control system that allows programmers to host

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share and update their programs.

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So to download something from get help all you have to do is click on the green button in here.

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Copy this link and then go to terminal navigate to the location where you want to download this project.

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And in this example I want to go to all Petey this is a directory where you should be installing optional

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software.

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If I do ls you will see I only have one directory in here called Keith so to download the bill and here

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all you have to do is first of all right the get command which is good.

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And what we want to do is we want to clone a repository and the link for this repository is the links

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that were copied in here from the green button.

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So I'm just going to paste it here.

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So a very very simple command we're using get to download a repository from Get we're saying that I

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want to clone this repository and the link of the repository that I want to clone is this one.

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So if I hit Enter now you'll see it's going to download it for me.

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And once it's done if we do you will see we have a new directory called Bill and we can navigate to

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this directory by doing she Divell and in here if I list you'll see we have a number of files but the

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main file for the program is this one.

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Well dot why.

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But we can't run this file right now because we still didn't install this tool.

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Now Villere relies on a large number of libraries and a third party programs.

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So you're going to have to install all of these first before you can use it.

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Now luckily you don't have to do this manually because Bill comes with an installation script.

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Now the script is placed in the config directory.

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So we have to navigate in this directory first.

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So Will do you the config and if we list here you'll see we have a file called set up dot SH now as

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the name suggests if you're on this file it will install all the needed libraries.

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And third party applications that Bill uses so to run an SH or abash file from the terminal.

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All you have to do is type that forward slash followed by the file name.

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And in our case it's called set up that sh.

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Now you can run the set up as is like this but I want to add two arguments to this.

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The first argument that I want to add is the dash dash silent.

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This argument will run the installer as an unattended installer.

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So basically it will install everything with its default settings and it won't ask cause to configure

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anything.

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The next argument that I want to add is the dash dash force so that in case you're running this a second

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time if you already installed fail and something went wrong and you're installing it again the fourth

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argument will override any existing installations.

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Now I didn't just figure out these arguments myself.

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If you actually read the description here on the project page you'll learn exactly how to install it

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and what each of these arguments do.

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So I'm going to hit Enter NOW and as you can see now it's going to automatically gather information

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about my current operating system.

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It's going to install the needed libraries and the needed applications.

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This might take some time because it's going to download a lot of packages.

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So please be patient and give it its time.

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Now I'm going to post the video because this is going to take some time and I'll continue recording.

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Once it's done.

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So right now as you can see the installation is finished and it's telling me that everything is done

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so I can run the tool now.

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But what I'm actually going to do is I'm going to first close this terminal window and open a new window

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just to show you how you would start it by default.

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Because usually when you open terminal you'll actually be in the root directory.

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So if I do PWT right now you'll see I am in route.

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So in order to run fail we have to first navigate to the location where you downloaded it and we downloaded

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it to the opiated directory.

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So we're going to do cd all pretty well now if we do.

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Elias you'll see we have the file that I told you that's the file for the program and we have the config

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directory where we were and where we were on the installer.

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Now we've already installed everything.

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So we don't need to run the installer to run they'll all we have to do is type 2 it forward slash followed

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by the program name which is the old UI.

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I'm going to hit enter.

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And as you can see the program is working with no issues at all.

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Now in the next lectures I'm going to show you how to use this program to generate undetectible back

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doors that can be used to hack Windows computers.