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Malicious Activities with Google Tag Manager

April 17, 2018Cesar Anjos

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…

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Javascript Injection Creates Rogue WordPress User

December 14, 2017Douglas Santos

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Earlier this year, we faced a growing volume of infections related to a vulnerability in outdated versions of the Newspaper and Newsmag themes.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:…

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June 20, 2017Fernando Barbosa

Unwanted “Shorte St” Ads in Unpatched Newspaper Theme

Unwanted ads are one of the most common problems that site owners ask us to solve. Recently, we’ve noticed quite a few requests to remove intrusive “shorte st” ads that…

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March 6, 2017Cesar Anjos

vBulletin Used to Show Malicious Advertisements

In the past, we have seen a massive amount of vBulletin websites compromised through the VBSeo Vulnerability. Attackers have been infecting vBulletin websites since 2012 with this malware, and more…

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February 17, 2017Rodrigo Escobar

WordPress Security – Fake TrafficAnalytics Website Infection

Several months ago, our research team identified a fake analytics infection, known as RealStatistics. The malicious Javascript injection looks a lot like tracking code for a legitimate analytics service. RealStatistics…

Read More about WordPress Security – Fake TrafficAnalytics Website Infection

January 10, 2017Denis Sinegubko

Injection of Unwanted Google AdSense Ads

During the last couple of years, it has become quite prevalent for hackers to monetize compromised sites by injecting unwanted ads. They can be pop-up ads triggered when a visitor…

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January 2, 2017Cesar Anjos

Website Malware Targets Mobile Platforms

Navigating the web on a mobile device can be tricky even when you’re browsing clean sites. If hackers are involved, the frustration of a pop-up can turn into the dangerous…

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cloned sites file.php infection

November 15, 2016Fernando Barbosa

Cloned Spam Sites in Subdirectories

In a recent post, we covered how attackers were abusing server resources to create WordPress sites in subdirectories and distribute spam. By adding a complete WordPress CMS installation into a…

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June 29, 2016Douglas Santos

200k+ Parked/Expired Domains Used to Distribute Malicious Ads

Recently we wrote about domain renewal scams that used real paper letters to tricks site owners into transferring their domains and renewing them for 3-4x the normal price. However, this…

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May 24, 2016Denis Sinegubko

Nulled WordPress Themes: Malvertising and Black Hat SEO

If you have been following our blog for some time, you know that we regularly warn about risks associated with the use of third-party software on your site. A benign plugin…

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May 11, 2016Denis Sinegubko

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…

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

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