Replica Spam on Poorly Maintained ASP Site
Denis Sinegubko Although the majority of sites we work on are powered by PHP, we still have clients whose sites use other programming languages. The other day…
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Website Malware Infections
837 posts
Cronjob Backdoors
Cesar Anjos Attackers commonly rely on backdoors to easily gain reentry and maintain control over a website. They also use PHP functions to further deepen the level…
How Stolen Ecommerce Data is Sold on the Darknet
Luke Leal We have recently published posts regarding banking malware and some of the ways it uses compromised websites to infect victim’s devices (smartphones, computers, POS terminals).…
Typo 3 Spam Infection
Ben Martin Here at Sucuri most of the malware that we deal with is on CMS platforms like: WordPress, Joomla, Drupal, Magento, and others. But every now…
Fake relatable domain used to distribute ads
Krasimir Konov Malicious users try to hide their malicious scripts in many ways these days, some more clever then others, in this case we look at a…
Free Premium themes? There’s always a catch
Pedro Peixoto OK, so we’ve all been there. We want something Premium, such as a paid version of an app or piece of software, but it would…
WP Plugin Hider
One of our analysts recently found an interesting injection that has been found on WordPress installations. Installed by hacker, it is used to hide a…
Reset Email Account Passwords After a Website Malware Infection
It’s not uncommon for bad actors to use compromised websites to send large amounts of email spam. This can cause major headaches for website owners…
Defunct Malware Can Cause Problems Too
Harshad Mane Recently our incident response analyst Harshad Mane worked on a site that redirected users to a third-party malicious site whenever they logged into the WordPress…
ThinkPHP 5.x Remote Code Execution
John Castro Earlier this year, we noticed an increase in attacks aiming at ThinkPHP, which is a PHP framework that is very popular in Asia. If you…
Thousands of Redirecting Files
We recently cleaned a site where we found thousands of malicious files with the following content: <?php header ( “HTTP/1.1 301 Moved Permanently” ) ;…