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Browsing Tag

Malware

223 posts
Malicious JavaScript Injects Fullscreen Iframe On a Wordpress Website
  • Security Advisory
  • Website Malware Infections
  • WordPress Security

Malicious JavaScript Injects Fullscreen Iframe On a WordPress Website

  • Puja Srivastava
  • August 13, 2025
Last month, we came across an ongoing JavaScript-based malware campaign affecting compromised websites. The malware injects a fullscreen iframe that silently loads content from a…
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Unauthorized Admin User Created via Disguised Wordpress Plugin
  • Security Advisory
  • Website Malware Infections
  • WordPress Security

Unauthorized Admin User Created via Disguised WordPress Plugin

  • Puja Srivastava
  • July 29, 2025
Recently at Sucuri, we investigated a malware case reported by one of our clients. Their WordPress site was compromised, and the attacker had installed a…
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Uncovering a Stealthy WordPress Backdoor in mu-plugins
  • Security Advisory
  • WordPress Security

Uncovering a Stealthy WordPress Backdoor in mu-plugins

  • Puja Srivastava
  • July 22, 2025
Recently, our team uncovered a particularly sneaky piece of malware tucked away in a place many WordPress users don’t even know exists: the mu-plugins folder.…
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WordPress Redirect Malware Hidden in Google Tag Manager Code
  • Security Advisory
  • Website Malware Infections
  • WordPress Security

WordPress Redirect Malware Hidden in Google Tag Manager Code

  • Puja Srivastava
  • July 17, 2025
Last month, a customer contacted us after noticing their WordPress website was unexpectedly redirecting to a spam domain. The redirection occurred approximately 4-5 seconds after…
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Stealthy PHP Malware Uses ZIP Archive to Redirect WordPress Visitors
  • Security Advisory
  • Website Malware Infections
  • WordPress Security

Stealthy PHP Malware Uses ZIP Archive to Redirect WordPress Visitors

  • Puja Srivastava
  • July 11, 2025
Last month, a customer contacted us, concerned about persistent and inexplicable redirects on their WordPress website. Our investigation quickly unearthed a sophisticated piece of malware…
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Attackers Inject Code into WordPress Theme to Redirect Visitors
  • Security Advisory
  • Website Malware Infections
  • WordPress Security

Attackers Inject Code into WordPress Theme to Redirect Visitors

  • Matt Morrow
  • July 9, 2025
In a recent article we discussed some of the reasons sites are frequently attacked. That article covered browser redirects, and we’ll explore an example of…
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The Case of Hidden Spam Pages
  • Security Advisory
  • Website Malware Infections
  • WordPress Security

The Case of Hidden Spam Pages

  • Ben Martin
  • June 25, 2025
Spammy posts and pages being placed on WordPress websites is one of the most common infections that we come across. The reason being is that…
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Malicious WordPress Plugin Creates Hidden Admin User Backdoor
  • Security Advisory
  • Website Malware Infections
  • WordPress Security

Malicious WordPress Plugin Creates Hidden Admin User Backdoor

  • Matt Morrow
  • June 20, 2025
I recently wrote about a case where a malicious plugin was used to steal admin credentials. Here we will examine yet another malicious plugin that…
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Analysis of a Malicious WordPress Plugin The Covert Redirector
  • Security Advisory
  • Website Malware Infections
  • WordPress Security

Analysis of a Malicious WordPress Plugin: The Covert Redirector

  • Puja Srivastava
  • June 18, 2025
A few weeks ago, we received a support request from a website owner who was experiencing unexpected redirects. Visitors landed on the website normally, but…
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What Motivates Website Malware Attacks
  • Security Education
  • Website Malware Infections
  • Website Security

What Motivates Website Malware Attacks?

  • Ben Martin
  • May 28, 2025
The depiction in the media of hackers tends to be that of balaclava-wearing villains who type furiously in a dark basement, motivated by nothing but…
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Fake Java Update Popup Found in Malicious WordPress Plugin
  • Security Advisory
  • Website Malware Infections
  • WordPress Security

Fake Java Update Popup Found in Malicious WordPress Plugin

  • Puja Srivastava
  • May 27, 2025
We recently assisted a customer who reported a persistent and concerning “Java Update” pop-up appearing on their WordPress website. This type of deceptive notification is…
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