Denial of Service (Dos) and Distributed Denial of Service (DDoS) attacks are unforgiving. They test the limits of your web server and application resources by sending spikes of fake traffic to your website. It is also notoriously difficult to conduct forensics on a DDoS attack, making the source of the attack a mystery. DDoS attacks More Info »
Tag Archives: Redirects
From Baidu to Google’s Open Redirects
Last week, we described how an ongoing massive malware campaign began using Baidu search result links to redirect people to various ad and scam pages. It didn’t last long. Soon after the publication of that article, the bad actors changed the links to use compromised third-party sites and a couple of day later they began More Info »
Malicious Activities with Google Tag Manager
If I were to ask if you could trust a script from Google that is loading on your website, the majority of users would say “yes” or even “absolutely”. But when malicious behavior ensues, everything should be double-checked and suspected, even assets that come from “trusted sources” like Google, Facebook, and Youtube. In the past, More Info »
Reverse Javascript Injection Redirects to Support Scam on WordPress
Over the last few weeks, we’ve noticed a JavaScript injection in a number of WordPress databases, and we recently wrote about them in a Sucuri Labs Note. The campaign attempts to redirect visitors to a bogus Windows support page claiming that their computers are infected with ‘riskware’ and will be disabled unless they call what More Info »
How to Avoid Malicious Cyber Monday Campaigns
As consumers prepare to take advantage of the discounts and promotions for the Black Friday and Cyber Monday ecommerce holidays, bad actors are crafting fraudulent websites, phishing, and malware campaigns to capitalize on the profits. In past years, targeted Cyber Monday phishing emails posed a huge risk to consumers. These emails, designed to appear from More Info »
Ecommerce Security: Fake Jquery Used as CC Scraper
In the last few months, we noticed an increase in attacks targeting ecommerce platforms aiming to steal credit card information. We saw a similar rise last year after the summer ended, and believe that trend will continue now that the holiday season is quickly approaching. Most of these attacks are based on intercepting the communication More Info »
Expired Domain Leads to WordPress Plugin Redirects
A malicious redirect is a snippet of code used by attackers with the intention of redirecting visitors to another site; a very common tactic seen in compromised websites. These redirects often take visitors to phishing, malware, or advertising sites with the intention of capturing sensitive user data, distributing malware and backdoors, or generating advertisement impressions. More Info »
Website Malware: Unwanted Exit to YourBrexit
Some website hacks aim to make some political statements. Defacements are well known for this. Some infections redirect visitors to scam sites that push (usually counterfeit) goods or (often illegal) services. But what would you feel if your site redirected visitors to a political news site? This time we are talking about an attack that More Info »
WordPress Security – Unwanted Redirects via Infected JavaScript Files
We’ve been watching a specific WordPress infection for several months and would like to share details about it. The attacks inject malicious JavaScript code into almost every .js file it can find. Previous versions of this malware injected only jquery.js files, but now we remove this code from hundreds of infected files. Due to a More Info »
Joomla Security – Pornography Spam Campaign in the Wild
One of the worst experiences for a website owner is finding out that the search results for your site have turned into a pharmacy, a fashion outlet, or even a porn dump. Those unwanted keywords are a result of Search Engine Poisoning (SEP) attacks. This blackhat SEO technique is used by attackers to take advantage More Info »
