Tutoriel How to detect and remove a backdoor on GMod?

[A]

This little script will help you to detect backdoors that may be on your server.

Install Backdoor Scanner​

Download the nomalua script: here.
Upload it in a folder garrysmod/addons/nomalua on your server.
Restart your server to take effect.

Once on your server is restarted,
open the console and type the command nomalua_scan.

Your server may be laggy for about 15/20 seconds. Re-open the server console; there must be something like this:

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How to find a backdoor?

To identify a backdoor, you have to look at all SteamIDs. For example:

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That is not a backdoor. It's just the name of a legit player.

A backdoor looks like this:

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If you have:

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It's possibly a backdoor. You always have to check something like that! A backdoor can be something like:

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How to remove a backdoor?​

To remove the entire backdoor, remove the code (which can look like this):

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Tutoriel: MTXServ