On February 8th, 2018, we noticed a new wave of WordPress infections involving two malicious plugins: injectbody and injectscr. These plugins inject obfuscated scripts, creating unwanted pop-up/pop-unders. Whenever a visitor clicks anywhere on an infected web page, they are served questionable ads. Plugin Location The malicious plugins possess a very similar file structure: Injectbody wp-content/plugins/injectbody/ […]
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Sucuri Website Backups Product Update
We’re excited to be sharing some changes we’ve recently pushed for our Website Backups product. If you’re not familiar with this feature, Sucuri Website Backups allow you to completely backup your files and database in our secure infrastructure. In a worst-case scenario, where files or databases are overwritten or deleted, these backups make it easy […]
How to Add Security to Your Client’s Websites
Website security has crossed the mind of nearly every website owner. However, as a website security company, we know that most webmasters come to us after the fact, when their website has already been compromised. Once hackers have taken over, website owners regret not having protected it when the website was initially launched. Today, we […]
What is a WAF?
Have you ever wondered what WAF means? WAF stands for Website Application Firewall. In order to make it simple to understand, imagine your website as a house and the people outside on the streets are the traffic that wants to come to your website. Of course, you want to open your door to friends and […]
Cloudflare[.]solutions Keylogger Returns on New Domains
A few months ago, we covered two injections related to the “cloudflare.solutions” malware: a CoinHive cryptominer hidden within fake Google Analytics and jQuery, and the WordPress keylogger from Cloudflare[.]solutions. This malware was originally identified by one of our analysts in April 2017 and has since evolved and spread to new domains. Keylogger Spreads to New […]
SQLi Vulnerability in YITH WooCommerce Wishlist
As part of our regular research audits for our Sucuri Firewall, we discovered an SQL Injection vulnerability affecting the YITH WooCommerce Wishlist plugin for WordPress. This plugin allows visitors and potential customers to make wish lists containing products in the WooCommerce store, and is currently installed on 500,000+ websites. Are You at Risk? This vulnerability […]
Malicious Website Cryptominers from GitHub. Part 2.
Recently we wrote about how GitHub/GitHub.io was used in attacks that injected cryptocurrency miners into compromised websites. Around the same time, we noticed another attack that also used GitHub for serving malicious code. Encrypted CoinHive Miner in Header.php The following encrypted malware was found in the header.php file of the active WordPress theme: There are […]
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 […]
How to Create Secure Passwords For Your Website
Have you ever had to sign up for a new account, but once the time came to create a password, your spirits dropped a little? It’s hard enough to remember one password let alone multiple passwords. Panic sets in as the security suggestions prompt you to add more numbers and unique characters. How am I […]
Javascript Injection Creates Rogue WordPress Admin User
Earlier this year, we faced a growing volume of infections related to a vulnerability in outdated versions of the Newspaper and Newsmag themes. The infection type was always the same: malicious JavaScript designed to display unauthorized pop-ups or completely redirect visitors to spammy websites, which the hackers then monetized through advertisement views. This month we […]
