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Browsing Tag

Labs Note

297 posts
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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Gambling SEO Spam in Visual Composer Raw HTML Element: vc_raw_html
  • Website Malware Infections
  • Website Security
  • WordPress Security

Gambling Spam in Visual Composer Raw HTML Element: [vc_raw_html]

  • Denis Sinegubko
  • September 14, 2022
Bad actors often look for clever ways to boost the rankings and visibility of their spam pages in search. One of the many black hat…
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Phishing Campaign
  • Security Education
  • Sucuri Labs
  • Website Malware Infections
  • Website Security

Phishing & Malspam with Leaf PHPMailer

  • Luke Leal
  • January 26, 2021
It’s common knowledge that attackers often use email as a delivery mechanism for their malicious activity — which can range from enticing victims to click…
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Labs Note
  • Ecommerce Security
  • Sucuri
  • Sucuri Labs
  • Website Security

Magento PHP Injection Loads JavaScript Skimmer

  • Luke Leal
  • January 21, 2021
A Magento website owner was concerned about malware and reached out to our team for assistance. Upon investigation, we found the website contained a PHP…
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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
  • Sucuri Labs
  • Website Malware Infections
  • Website Security

Malware Dropper Takes Advantage of COVID-19 Pandemic

  • Krasimir Konov
  • December 10, 2020
Since April, our team has been tracking the spread of a PHP malware dropper. It’s impacting unsuspecting victims who thought they were downloading a mapping…
Read More
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
  • Security Education
  • Sucuri Labs
  • Website Malware Infections
  • Website Security

Obfuscation Techniques in MARIJUANA Shell “Bypass”

  • Luke Leal
  • December 4, 2020
Attackers are always trying to come up with new ways to evade detection from the wide range of security controls available for web applications. This…
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Labs Note
  • Sucuri Labs
  • Website Security
  • WordPress Security

Hackers Love Expired Domains

  • Luke Leal
  • November 26, 2020
Sometimes, website owners no longer want to own a domain name and they allow it to expire without attempting to renew it. This happens all…
Read More
Labs Note
  • Sucuri Labs
  • Website Security
  • WordPress Security

Hidden SEO Spam Link Injections on WordPress Sites

  • Luke Leal
  • November 23, 2020
Often when a website is injected with SEO spam, the owner is completely unaware of the issue until they begin to receive warnings from search…
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Labs Note
  • Ecommerce Security
  • Sucuri Labs
  • Website Malware Infections
  • Website Security

PrestaShop SuperAdmin Injector and Login Stealer

  • Luke Leal
  • November 18, 2020
According to W3Tech’s data, PrestaShop is among the most popular CMS choices for existing ecommerce websites, so it should come as no surprise that malware…
Read More
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