Malicious websites list

Author: b | 2025-04-25

This list of URLs to block encompasses the most distracting websites, NSFW websites, and known malicious websites. They serve as a great list of websites to block for students

A list of malicious websites : r/sysadmin - Reddit

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Remove sites from the Malicious Website List

Protection and potential risks. In today’s business environment, web browsing is a must for users to find answers to questions and download important information. Unfortunately, allowing open browsing of the internet also increases security risk tremendously.The dangers of internet browsing lead to “web content filters.” Web content filters block websites on the user’s browser based on a long list of reported malicious websites. This strategy has several problems: the list must be continuously updated to be effective, false negatives are common with newly created malicious websites, and attackers create dozens of malicious websites to bypass these protections. Also, web content filtering is typically based on categories. Administrators block specific categories from being accessed, which can affect business productivity if an essential safe site is added to a filtered category.Another issue with traditional browser setups is cookies left on the local machine. Cookies often contain session IDs and other personal information. Attackers use cross-site scripting (XSS) to obtain cookies from a legitimate site and use malicious scripts to forward a cookie to their own web servers. With the stolen cookie, an attacker can perform cookie stuffing and session fixation, providing malicious access to activities in the context of the user session.Browser isolation offers users much more relaxed access to the internet without affecting local network security. For most web browser environments, administrators use remote browser isolation. This type is the most common, but organizations can choose from three types: Remote browser isolation: The safest and most secure remote browser isolation executes

Symantec Releases ‘Top 100 Malicious Websites’ List

Those that come from dubious websites, for example. The best backlinks are those that come from high-traffic, authority websites. So, to start getting quality backlinks from more reputable online sources, you need to do two things: check the backlinks you already have and monitor your competition’s backlinks. This way, you can obtain a list of authority websites from your niche that you can target when it comes to your own link building strategy. And you can perform all of these strategies – identifying malicious backlinks, purging your own backlinks and monitoring the competitors’ backlinks – using some of the following backlink checker tools: SEMRush SEMRush is the ideal pick when it comes to analyzing backlinks. With over 6 million users, it is also among the best keyword research tools that can be found online. It comes with a full set of backlink analysis tools that will allow you to monitor the quality of your backlinks in full detail. Thanks to its Backlink Audit feature, you will get to check whether malicious websites have linked to your site and remove them. You will also be able to keep an eye on your competition and analyze their new and lost links, which will allow you to track their link-building progress and see how you can improve your own. Moreover, SEMRush lets you enter up to 200 URLs in the box to find the strongest competitors in your niche and compare their efforts with your own. With the Link Building Tool, you will. This list of URLs to block encompasses the most distracting websites, NSFW websites, and known malicious websites. They serve as a great list of websites to block for students

What Is a Malicious Website?

This post is also available in: 日本語 (Japanese)Executive SummaryUnit 42 researchers have been tracking a widespread malicious JavaScript (JS) injection campaign that redirects victims to malicious content such as adware and scam pages. This threat was active throughout 2022 and continues to infect websites in 2023.We detected the injected JS code on more than 51,000 websites, including hundreds of websites in Tranco’s top 1 million website ranking list. The presence of affected websites in Tranco indicates that this campaign could have impacted a large number of people.We also found that this campaign is multifaceted in that it performs multistep injections before redirecting to malicious web pages, and uses obfuscation and benign append attacks to bypass detections. Malware authors leverage these techniques to inject multiple variants of malicious JS code samples into the websites.Our novel adversarial deep learning technique, Innocent Until Proven Guilty (IUPG), detected multiple variants of the injected JS code. This model is part of the Advanced URL Filtering (AUF) subscription of our Next-Generation Firewall offering. It detects malicious JS samples and classifies content from both our offline crawlers as well as inline protection, which performs a real-time analysis of traffic on the firewall.Related Unit 42 TopicsJavaScript MalwareCampaign Activity and User ImpactWe have detected numerous variants of a campaign where attackers inject malicious JS code into websites. This injected code redirects victims to a variety of malicious content, such as adware and scams.A similar campaign was reported by researchers last year. We observed the first instance of the campaign in 2020. However, we will focus on the most recent variants of this campaign tracked between January 2022-23.We detected this campaign on an estimated 170,000 URLs from 51,000 hostnames, since the beginning of 2022. As shown in Figure 1, the campaign remained active throughout the past year and continues to impact websites in 2023.This campaign peaked between May-August 2022, when we saw an average of 4,000 daily URLs.Figure 1. Graph of the campaign throughout 2022 and the beginning of 2023 peaking between May-August 2022.We suspect that this campaign has impacted a large number of people, since hundreds of these infected

Is there a list of up-to-date hosts file to block malicious websites

To keep your data private, Google Chrome uses Safe Browsing to protect you against: Abusive websites and extensions Malicious and intrusive ads Malware Phishing Social engineeringHow Safe Browsing works Standard protection With standard protection, Chrome checks the sites that you go to, the extensions that you have installed and the files that you attempt to download against Google's list of unsafe sites and downloads. Sites and downloads on this list are associated with abusive websites and extensions, malicious and intrusive ads, malware, phishing and social engineering. Chrome periodically downloads and stores the most recent copy of this list on your device. It also stores a list of sites known to be safe. Each time that you visit a website or attempt a download, Chrome first checks if the URL is on the list of safe sites stored on your device. If it's not, Chrome sends an obfuscated portion of the URL to Google through a privacy server that hides your IP address. If Google confirms that the website or download is malicious, Chrome warns you that it may be dangerous. If you have an abusive or malicious extension installed, Chrome disables it. In some cases, if the request to the privacy server fails or you're browsing in Incognito mode, the site gets checked against the list of unsafe sites stored on your device instead of the list stored with Google. In these cases, if there's evidence of suspicious behaviour, Chrome sends an obfuscated portion of the URL to Google. In addition to the protections described above, Chrome will send a report to Google if it finds suspicious page behaviour or suspicious actions that you may have been tricked into performing. For example, when you enter a previously saved password on a new site, Chrome checks with Google to determine whether the page might be phishing, a type of social engineering attack used to steal your data. If it's determined that the site is phishing, Chrome asks you to check or change your password. Sites are checked for phishing and social engineering terms. Chrome sends a small set of visual features to Google and compares the site to a list of dangerous sites to determine whether it's malicious. Some security features are disabled in Incognito to prevent revealing additional data to Google. Enhanced protection Enhanced protection sends more information about your activity to Google in real time to offer stronger, more

Should I block .in or .pw malicious websites on my disavow list?

A large number of websites could be compromised due to one or more vulnerable content management system (CMS) plugins. The exploitation of CMS plugins for a similar campaign was reported by Sucuri researchers. We also found that an estimated three quarters of the detected websites (out of 51,000) were using a popular CMS.The injected malicious JS code was included on the homepage of more than half of the detected websites. One common tactic used by the campaign’s operators was to inject malicious JS code on frequently used JS filenames (e.g., jQuery) that are likely to be included on the homepages of compromised websites. This potentially helps attackers target the website’s legitimate users, since they are more likely to visit the website's home page.Detecting Malicious JS injections With Deep LearningMalware authors constructed different variants of the malicious JS code that was injected into websites for this campaign. Deep learning techniques are commonly known to be robust at detecting different variants of the same attack. Therefore, deep learning techniques could increase the coverage of malicious JS injections.Deep learning techniques can also be resistant to adversarial evasion attempts from the malware. One specific example of these types of adversarial evasions is a pervasive black box adversarial threat called benign append attacks.ConclusionA widespread malicious JavaScript injection campaign was detected on more than 51,000 websites throughout 2022 and early 2023. We found that malware authors obfuscate malicious JS to bypass detection and perform multistep injections before redirecting to malicious web pages.The injected JS code has potentially impacted a large number of internet users since hundreds of the infected websites were ranked among the Tranco top 1 million websites. We recommend that website owners and customers keep third-party plugins and software updated to protect their websites from such injections.The injected malicious JS code in this campaign is one common example of append attacks that we see in the wild. The training procedure of our IUPG model is specifically designed to identify and isolate malicious subpatterns in a background of benign content, as explained in our work on the IUPG model published in IEEE Security and Privacy. This list of URLs to block encompasses the most distracting websites, NSFW websites, and known malicious websites. They serve as a great list of websites to block for students