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New Wave of the Test0.com/Test5.xyz Redirect Hack

Last week we described the hack that randomly redirected site visitors either to a parked test0 .com domain or to malicious sites via the default7 .com domain. This week the default7 .com domain went...

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WordPress Redirect Hack via Test0.com/Default7.com

We’ve been working on a few WordPress sites with the same infection that randomly redirects visitors to malicious sites via the default7 .com / test0 .com / test246 .com domains. In this post, we’ll...

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Website Ransomware – CTB-Locker Goes Blockchain

During the last couple of years, website ransomware has become one of the most actively developing types of malware. After infamous fake anti-viruses, this it the second most prominent wave of malware...

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Website Malware – Evolution of Pseudo Darkleech

Last March we described a WordPress attack that was responsible for hidden iframe injections that resembled Darkleech injections: declarations of styles with random names and coordinates, iframes with...

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vBulletin Exploits in the Wild

**Update: CheckPoint disclosed more details here: Check Point Discovers Critical vBulletin 0-Day. The vBulletin team patched a serious object injection vulnerability yesterday, that can lead to full...

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WordPress Malware – VisitorTracker Campaign Update

For the last 3 weeks we have been tracking a malware campaign that has been compromising thousands of WordPress sites with the VisitorTracker malware code. We initially posted some details about this...

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.htaccess Tricks in Global.asa Files

As you might know a lot of hacks use Apache configuration .htaccess files to override default web site behavior: add conditional redirects, create virtual paths (e.g mod_rewrite), auto-append code to...

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Website Malware – The SWF iFrame Injector Evolves

Last year, we released a post about a malware injector found in an Adobe Flash (.SWF) file. In that post, we showed how a .SWF file is used to inject an invisible, malicious iFrame. It appears that the...

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WordPress Malware Causes Psuedo-Darkleech Infection

Darkleech is a nasty malware infection that infects web servers at the root level. It use malicious Apache modules to add hidden iFrames to certain responses. It’s difficult to detect because the...

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Inverted WordPress Trojan

Trojan (or trojan horse) is software that does (or pretends to be doing) something useful but also contains a secret malicious payload that inconspicuously does something bad. In WordPress, typical...

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Why A Free Obfuscator Is Not Always Free.

We all love our code but some of us love it so much that we don’t want anyone else to read or understand it. When you think about it, that’s understandable – hours and hours of hard dev work, days of...

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Analyzing Malicious Redirects in the IP.Board CMS

Although the majority of our posts describe WordPress and Joomla attacks (no wonder, given their market-share), there are still attacks that target smaller CMS’s and we help clean all kinds of sites....

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Website Malware – The SWF iFrame Injector Evolves

Last year, we released a post about a malware injector found in an Adobe Flash (.SWF) file. In that post, we showed how a .SWF file is used to inject an invisible, malicious iFrame. It appears that the...

View Article


Image may be NSFW.
Clik here to view.

WordPress Malware Causes Psuedo-Darkleech Infection

Source: The National Archives (UK) Darkleech is a nasty malware infection that infects web servers at the root level. It use malicious Apache modules to add hidden iFrames to certain responses. It’s...

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Image may be NSFW.
Clik here to view.

Inverted WordPress Trojan

Trojan (or trojan horse) is software that does (or pretends to be doing) something useful but also contains a secret malicious payload that inconspicuously does something bad. In WordPress, typical...

View Article


Image may be NSFW.
Clik here to view.

Why A Free Obfuscator Is Not Always Free.

We all love our code but some of us love it so much that we don’t want anyone else to read or understand it. When you think about it, that’s understandable – hours and hours of hard dev work, days of...

View Article

Image may be NSFW.
Clik here to view.

Analyzing Malicious Redirects in the IP.Board CMS

Although the majority of our posts describe WordPress and Joomla attacks (no wonder, given their market-share), there are still attacks that target smaller CMS’s and we help clean all kinds of sites....

View Article


Image may be NSFW.
Clik here to view.

Bogus Mobile-Shortcuts WordPress Plugin Injects SEO Spam

Here at Sucuri we see countless cases of SEO spam where a website is compromised in order to spread pharmaceutical advertisements or backlinks to sites selling luxury goods. Most of the time this...

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Websites Compromised with CloudFrond Injection

If you haven’t already noticed, we spent a good deal of time scraping the bottom of the interweb barrel. It’s dirty work, but someone has to do it. I’m not going to lie though, to us it’s fascinating...

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SoakSoak: Payload Analysis – Evolution of Compromised Sites – IE 11

Thousands of WordPress sites have been hit by the SoakSoak attack lately. At this moment we know quite a lot about it; it uses the RevSlider vulnerability as a point of penetration, then uploads a...

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