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This odd malware tricks Google to boost your website’s SEO – then it attacks | TechRadar

Security researchers have discovered a novel malware delivery mechanism that climbs to the top of any search results after tricking Google’s famed SEO (Search Engine Optimization) algorithm.

While the Gootkit malware itself has been around for several years, and has been analyzed by cybersecurity firm Sophos in the past, it is its new delivery mechanism, which has earned it the nickname Gootloader and is the subject of their recent analysis

“Gootloader uses malicious search engine optimization (SEO) techniques to squirm into Google search results. The way it accomplishes this task deserves some discussion, because it centers as much around technology as human psychology,” shares Sophos.

Search engine deoptimization

In their breakdown of the delivery mechanism, the researchers estimate that the operators of the malware run a network of about 400 servers that serve hacked versions of legitimate websites. 

To  illustrate the effectiveness of this method, the researchers published screenshots that show Google returning one of the websites run by the malware operators as the first result. Even more impressive is the fact that the hacked website belonged to a neonatal clinic while the search query centered on real estate.

When clicked, the hacked website will appear to legitimately provide an answer to the search query, which will involve downloading a zip file, which obviously contains the malware.

Gootloader in action

The researchers share that as per their analysis, many of the hacked websites were running well-known content management systems (CMS), without naming them. The threat actors have tweaked the backend that fetches and runs a script to make the websites present a slightly modified version of the original information based on the victim’s search query. 

The researchers note that this new mechanism is being used to not just spread Gootkit, but several other trojans and ransomware such as Kronos, REvil, Cobalt Strike, and more.

Sophos claims that it is the layers of tricks that makes this delivery mechanism so effective. “At several points, it’s possible for end users to avoid the infection, if they recognize the signs. The problem is that even trained people can easily be fooled by the chain of social engineering tricks Gootloader’s creators use,” believe the researchers.

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