Will this prevent hackers from accessing SSH?Īlthough it is a pretty good deterrent, it’s not guaranteed to stop hackers completely. It is slowly, line by line, sending a very large SSH banner to the client.Īnd of course, since a hacke has this automated with a bot, they won’t realize this is happening until after you’ve wasted hours, if not days, of their time. It should now be apparent just how this little tool is trapping you and keeping you from accessing SSH on your server. The program that we’re using to accomplish this is called endlessh and is made by skeeto. If you’re not sure how to use SSH, then read this guide to get you started. This does require you to know some basic SSH usage. This is sometimes playfully referred to as an “SSH tarpit,” as the hacker’s script gets stuck in it and isn’t able to get out on its own. Since the script is automated, the hacker likely isn’t paying much attention to it and won’t notice that it’s stuck until much time has already passed. This can last hours, if not days or weeks. This way, the hacker’s automated script will be stuck waiting for a banner. There are a few ways to do this, but one of the simplest is to slowly send them a very long SSH banner. Trapped in SSHĮssentially, what we want to do is trap the hacker when they attempt to brute force the SSH login. Specifically, it will distract the hacker from attacking more vulnerable parts of your server as well as keep them too busy to attack someone else’s server.Īnd, in this case at least, the method used will be good for a laugh or two as well. Or it may be for educational purposes: to help learn how the attacks work.įor the purposes of this guide, we are primarily using the honeypot as a distraction. Perhaps you simply wish to lure them away from real targets on your system. In some cases, you may want to use it so you can block any future connections from them. There are many reasons someone may want to implement an SSH honeypot on their server. But honeypots can also be used by system administrators working for companies or even just hobbyists who run a Linux server for fun. Many government agencies use honeypots to catch criminals, luring them into attacking, only to gather intel on them in order to catch them later. Sometimes they are little more than a distraction, but other times they are used to gather information about the attacker. A honeypot can take on many forms and have many different uses.
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