Web malware

SPAM Hack Targets WordPress Core Install Directories

Do you run your website on WordPress? Have you checked the integrity of your core install lately for SPAM like “Google Pharmacy” stores or other fake stores? We have been tracking and analyzing a growing trend in SEO Spam (a.k.a., Search Engine Poisoning (SEP)) attacks in which thousands of compromised WordPress websites are being used […] more…

Disclosure: Remote Code Execution Vuln in Disqus

We recently found a security vulnerability in the Disqus Comment System plugin for WordPress. It could, under very specific conditions, allow an attacker to perform arbitrary remote code execution (RCE). In other words, an attacker can do anything he wants with a vulnerable website. While the flaw itself is very dangerous, it may only be […] more…

Case Study: Complexities of “simple” malware

You know when you pull a string on a sweater and it just keeps going and going? You wonder when or if it will ever stop? From time to time, that’s how malware can feel. Even if you’re not a website security expert, it’s important to understand just how complicated hackers are willing to make […] more…

Is my website hacked? If you have to ask then, “Yes.”

The problem with phishing, and therefore the reason so many people have trouble with it, is that the code is fairly benign and can be very difficult to spot because it usually looks almost exactly like legitimate code. Oftentimes, a website owner won’t know their site is hacked with a phishing scam until site visitors […] more…

CloudProxy + SPDY = A Faster Website

Our CloudProxy Firewall already protects and speeds load times for 1,000′s of websites. Now, it’ll be even faster. We’re happy to announce that we just added support for SPDY (pronounced speedy) across all of our plans and servers. Any website being protected by our CloudProxy firewall can enable SPDY support with just one click: If […] more…

Serious Cross Site Scripting Vulnerability in TweetDeck – Twitter

This morning as I was logging into various social networks I was presented with a popup with “XSS on Tweet Deck.” This obviously set every hair on my neck on fire, it’s obviously not the normal welcome screen. After some investigation, I found a tweet from one account that I follow that had the following […] more…

WordPress Plugin Alert — LoginWall Imposter Exposed

When you work with malware for a while, you start to become very good at pattern recognition. A couple sites in every hundred cleaned might be infected in a similar way and remembering the initial problem helps to quickly solve the problem for the current site. You might not know exactly why something seems fishy […] more…

Website Firewall Update – Introducing 2FA and More

Today, we are launching the new and improved Protected Page capability in our Website Firewall, CloudProxy. It allows for a simple (1-click) activation of secondary authentication methods on any page of your site. It means you can easily add the following to any page on your website: A custom password verification Two Factor authentication (2FA) […] more…

Take Back Your Internet – Demand a Safer Web

Over the last couple of weeks, we’ve written about malicious redirects pushing users to porn sites, ever more complicated phishing scams being carried out by multiple compromised websites on a single server and about adsense blackmail. We’ve written about how attackers hit these sites because that’s what we do. We figure out what they’re doing […] more…

Was the FIFA Website Hacked?

As many know, our company has deep Brazilian roots, as such we have no choice but to enamored with the upcoming World Cup. Yes, the World Cup is coming, soccer news is everywhere and like most things, websites are being used to disseminate the news. The Federation Internationale de Football Association (FIFA) is perhaps one […] more…

Phishing Tale: An Analysis of an Email Phishing Scam

Phishing scams are always bad news, and in light of the Google Drive scam that made the rounds again last week, we thought we’d tell the story of some spam that was delivered into my own inbox because even security researchers, with well though-out email block rules, still get SPAM in our inboxes from time […] more…

Vulnerability found in the All in One SEO Pack WordPress Plugin

The team behind the All in One SEO Pack just released a new version of their popular WordPress plugin. It is a security release patching two privilege escalation vulnerabilities we discovered earlier this week that may affect any web site running it. The risks If your site has subscribers, authors and non-admin users logging in […] more…

Analyzing a Malicious iFrame – Following the Eval Trail

Over the last week, we’ve been working with some interesting malware injections. Developers and malware prevention professionals usually think of hidden iframes that deliver spam-seo or other malware as easy to spot. Take this injection, for example (Thanks to Sucuri team member, Rafael C., for the sample): This is not a traditional iframe src=’http://… code, […] more…

Malicious Redirections to Porn Websites

The past week has brought about a large number of cases where compromised websites had hidden redirections to porn injected into their code. All the infections had a similar pattern where they only targeted mobile devices. They are highly conditional as well making it challenging for webmasters to detect. Lets take a minute to explain […] more…

Sucuri CloudProxy – Website Firewall Enhancements

When LA’s DA says that, “73% of our local businesses appear to have been hacked,” it begins to illustrate the importance website protection will play in the future of business, which is why we’ve placed so much emphasis on website protection on this blog over the last few months. Protection is no longer a, “nice […] more…

Desktop AVs and Website Security

Brian Dye tells the Wall Street Journal that antivirus tools like his company’s Norton suite are effectively “dead” because they catch less than half of all attacks, but from where we sit, that’s really just half the story. Does Brian mean that antivirus defenses–also know as “AV”– are useless? Probably not. Just like you should […] more…

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