When browsing the internet and using the web applications available today we can enjoy an infinite number of options. We can use technological tools to entertain ourselves, work and even study. But we must bear in mind that, although it brings many benefits, there are also many dangers on the internet. That is why today we show you what web shells are and how you can protect your system from their remote attacks .

Incredibly, there are far more viruses and possible attacks on the internet than we can remember. In fact, just browsing puts us at the mercy of hackers and malicious people who can damage our personal information. This is why it is always good to know some of these dangers and to know how to defend ourselves from them , which is just what we will do in this article.

What are web shells?

Today we live in a truly technological age, and there is no sign that this will change. And is that for many of us technology and the internet are a vital part of our lives, greatly facilitating many daily tasks. But the truth is that, while we use our electronic devices as usual, we may expose ourselves to dangers that we did not even imagine .

For example, there are many viruses and hackers that can affect even our most private and important information. This is why it is vital that we know about these dangers and even manage to prevent computer attacks. Today we will talk about one of the most frequent dangers when browsing the Internet: web shells.

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We can define this as a malicious script that affects the privacy and security of web servers or some other objective, such as web applications. This works as a kind of “back door” or “backdoor” that allows hackers to do what they want with the attacked servers, even without others noticing.

The scope of these web shells is very large, since they can even affect public networks with thousands of connected devices. This is further proof that it is very important to protect yourself when using public WiFi networks. Now, how is it possible to protect yourself from these attacks? Well, here are some of the things you can do.

How to detect a remote attack from a web shell?

The first and foremost thing to protect against a web shell attack is to be able to find it. And this is especially tricky, since most hackers who implement them use an encryption system that makes it almost impossible to notice everything they do. But there are things you can do to detect them, such as:

  • Detect unusual or unusual traffic flows.
  • Compare the operation of a different version of the web app with the one you have now. This will help you find anomalies in the web application .
  • Check all the web shells that may have been changed or configured.

Something that can help you know the number of visits to a web page is to use monitoring tools that you can find completely free of charge.

How to protect the system from remote attacks?

For the benefit of those who suspect they have this problem, there are tools designed to protect themselves from remote web shell attacks . For example, we can use tools like Firewalls that protect the integrity of your server or web application.

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For example, you can use Cloudflare’s WAF for this purpose. This, like other tools of its kind, examines HTTP requests to the website, filtering illegitimate traffic from the legitimate one to protect it from potential intruders . You have several options when choosing the security quality you want, high or low.

In addition, you will not only protect the web app from possible attacks with web shells, but also from other problems such as SQL injections or Cross-Site Scripting. So we can see that this type of Firewalls are an excellent protection tool for servers and web applications, no matter the attack they receive.

We hope that this entire guide can be of great use to you, and that you will also be able to make the most of your time on the internet, without having to worry about web shells or any other similar problem.

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