Malware

Massive Campaign Uses Hacked WordPress Sites as Platform for Black Hat Ad Network

Every so often attackers register a new domain to host their malware. In many cases, these new domains are associated with specific malware campaigns, often related to redirecting legitimate website traffic to third party sites of their choosing — including tech support scams, adult dating, phishing, or drive-by-downloads. Since late December, our team has been

[ Read More ]

Vulnerable WordPress Sites Compromised with Different Database Infections

Vulnerabilities within WordPress can lead to compromise, and oftentimes known vulnerabilities are utilized to infect WordPress sites with more than one infection. It is common for out of date websites to be attacked by multiple threat actors or targeted by the same attacker using multiple different channels. We recently came across a database injection that

[ Read More ]

Chinese Gambling Spam Targets World Cup Keywords

Since 2018, our team has been tracking an interesting type of website infection where the <title> tag of a hacked website is changed to Chinese text — changes which are clearly seen in the website’s search results and source code. However, when you open the affected website in a JavaScript-enabled web browser, the site operates

[ Read More ]

New Wave of SocGholish cid=27x Injections

On November 15th, Ben Martin reported a new type of WordPress infection resulting in the injection of SocGholish scripts into web pages. The attack loads zipped malicious templates from WordPress theme and fake plugins files before extracting the SocGholish script, which is saved as an encrypted value inside the wp_option table of the WordPress database.

[ Read More ]

How to Fix the “This Site May Harm Your Computer” Warning

Most modern web browsers and search authorities like Google have a vested interest in protecting their users from malware. Warning messages like “This site may harm your computer” are a clear way for services to educate and protect end users from accessing malicious websites. A hacked website can result in a plethora of headaches: unwanted

[ Read More ]

Wordfence Evasion Malware Conceals Backdoors

Malware authors, with some notable exceptions, tend to design their malicious code to hide from sight. The techniques they use help their malware stay on the victim’s website for as long as possible and ensure execution. For example — obfuscation techniques, fake code comments, naming conventions for injections that deploy SEO spam, redirect visitors to

[ Read More ]

What is the 503 Service Unavailable Error & How to Fix It

Imagine for a moment that you’re searching for a topic. You find what you’re looking for on the first page of Google’s search results and click through to the website. But instead of the expected web page, you find yourself staring down the barrel of a 503: Service Unavailable error message. You’re going to immediately

[ Read More ]

What is a Malware Attack?

A malware attack is the act of injecting malicious software to infiltrate and execute unauthorized commands within a victim’s system without their knowledge or authorization. The objectives of such an attack can vary – from stealing client information to sell as lead sources, obtaining system information for personal gain, bringing a site down to stop

[ Read More ]

New Malware Variants Serve Bogus CloudFlare DDoS Captcha

When attackers shift up their campaigns, change their payload or exfiltration domains, and put some extra effort into hiding their malware it’s usually a telltale sign that they are making some money off of their exploits. One such campaign is the fake CloudFlare DDoS pages which we reported on last month. The attack is simple:

[ Read More ]

A Guide to Virtual Patching for Website Vulnerabilities

All software has bugs — but some bugs can lead to serious security vulnerabilities that can impact your website and traffic. Vulnerabilities can be especially dangerous when your software is running over the web, since anyone can reach out and try to attack it. That’s why keeping your website up-to-date with the latest patches and

[ Read More ]