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backdoor

472 posts
Konami Code Backdoor Concealed in front.jpeg Image
  • Website Malware Infections
  • WordPress Security

Konami Code Backdoor Concealed in Image

  • Ben Martin
  • February 2, 2023
Attackers are always looking for new ways to conceal their malware and evade detection, whether it’s through new forms of obfuscation, concatenation, or — in…
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Backdoor Targets FreePBX Asterisk Management Portal
  • Sucuri Labs
  • Website Malware Infections
  • Website Security

Backdoor Targets FreePBX Asterisk Management Portal 

  • Krasimir Konov
  • December 15, 2022
Written in PHP and JavaScript, FreePBX is a web-based open-source GUI that manages Asterisk, a voice over IP and telephony server. This open-source software allows…
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Wordfence Evasion Malware Conceals Backdoors
  • Website Malware Infections
  • Website Security
  • WordPress Security

Wordfence Evasion Malware Conceals Backdoors

  • Ben Martin
  • October 20, 2022
Malware authors, with some notable exceptions, tend to design their malicious code to hide from sight. The techniques they use help their malware stay on…
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  • Security Education
  • Website Malware Infections
  • Website Security

Examining Emerging Malware: Website Backdoors

  • Ben Martin
  • May 10, 2022
Editorial: This post was last updated October 13th, 2022. Next up in our “This didn’t quite make it into the 2021 Threat Report, but is…
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What are website backdoors Sucuri Security
  • Security Education
  • Website Malware Infections
  • Website Security

What is a Website Backdoor?

  • Allison Bondi
  • November 18, 2021
What is a Backdoor? A backdoor provides a shortcut for authorized or unauthorized users to gain access to an unauthorized location of a website, software,…
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Malicious Magento User Creator
  • Ecommerce Security
  • Magento Security
  • Website Malware Infections
  • Website Security

Examining Unique Magento Backdoors

  • Liam Smith
  • August 4, 2021
During a recent investigation into a compromised Magento ecommerce environment, we discovered the presence of five different backdoors that would provide attackers with code execution…
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Backdoor SQL Trigger
  • Sucuri Labs
  • Website Security
  • WordPress Security

SQL Triggers in Website Backdoors

  • Luke Leal
  • February 25, 2021
Over the past year, there’s been an increasing trend of WordPress malware using SQL triggers to hide malicious SQL queries within compromised databases. These queries…
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  • Security Education
  • Sucuri Labs
  • Website Malware Infections
  • Website Security
  • WordPress Security

Evaluating Cookies to Hide Backdoors

  • Luke Leal
  • January 7, 2021
Identifying website backdoors is not always an easy task. Since a backdoors primary function is to conceal itself while providing unauthorized access, they are often…
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Labs Note
  • Ecommerce Security
  • Sucuri Labs
  • Website Malware Infections
  • Website Security
  • WordPress Security

Fake WordPress Functions Conceal assert() Backdoor

  • Douglas Santos
  • December 8, 2020
A few weeks ago, I was manually inspecting some files on a compromised website. While checking on a specific WooCommerce file, I noticed something interesting.…
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Labs Note
  • Sucuri Labs
  • Website Malware Infections
  • Website Security

“Free” Symchanger Malware Tricks Users Into Installing Backdoor

  • Luke Leal
  • December 1, 2020
In a previous post, I discussed how attackers can trick website owners into installing malware onto a website — granting the attacker the same unauthorized…
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Labs Note
  • Drupal Security
  • Joomla Security
  • Magento Security
  • Sucuri Labs
  • Website Malware Infections
  • Website Security
  • WordPress Security

Backdoor Shell Dropper Deploys CMS-Specific Malware

  • Krasimir Konov
  • October 6, 2020
A large majority of the malware we find on compromised websites are backdoors that allow an attacker to maintain unauthorized access to the site and…
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