Website Security News
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 developed using a variety of techniques that can make it challenging to detect. For example, an attacker can inject a…
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 software to monitor the spread…
Read More about Malware Dropper Takes Advantage of COVID-19 Pandemic
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. Among 246 other lines, this…
Read More about Fake WordPress Functions Conceal assert() Backdoor
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 also extends to malware like…
Read More about Obfuscation Techniques in MARIJUANA Shell “Bypass”
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 the time and is totally…
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 engines or blacklists. This is…
Read More about Hidden SEO Spam Link Injections on WordPress Sites
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 has been created to specifically…
Read More about PrestaShop SuperAdmin Injector and Login Stealer
We have already shared examples of many kinds of malware that rely on an external gateway to receive or return data, such as different malware payloads. During a recent investigation,…
During a routine investigation, we found yet another web skimmer that pretends to be related to Sucuri. One of our Remediation Analysts, Liam Smith, found the following code injected into…
Read More about Another Credit Card Stealer That Pretends to Be Sucuri
We sometimes find malware code injections that contain strange code comments, which are normally used by programmers to annotate a section of code — for example, a short description of…
During malware analysis, we regularly find variations of this injected script on various compromised websites: . The variable “_0x446d” assigns hex encoded strings in different positions in the array. If…
Read More about Legacy Mauthtoken Malware Continues to Redirect Mobile Users
