The cybersecurity researchers have recently detected that the threat actors are now targeting the Google PPC to promote their malware like Redline, Taurus, Tesla, and Amadey.
In a report, the experts have declared that hackers are now abusing Google Adwords to promote malware via PPC (pay-per-click) ads on Google Search.
After the investigation done by Morphisec, they declared that the pay-per-click (PPC) ads in Google’s search results are leading users to download malicious packages of AnyDesk, Dropbox, and Telegram that are specifically wrapped as ISO images.
However, the security researchers were keeping a close eye on the pay-per-click (PPC) ads on Google search, and after a long investigation, the experts came to know that the threat actors are using three attack chains:-
After examining these attack chains the security searchers discovered that two malware, Taurus and Redlineare using the same patterns, certificates, and Command and Control Centre (C2s).
Why Google Snannong Failed? Now, this is a big question, well, Google answered that there is no doubt that it uses exclusive technology and malware detection tools and they always perform a regular scan upon all the activities that take place.
However, they responded that they strictly prohibit or ban the ad campaigns when they try to connect with the fourth party or any sub-syndication to unapproved advertisers that start pulling ads distributing malware.
Not only that even Google put three-month of suspension on the buyer’s ad account whose ads contain malware.
The Redline infostealer is a kind of malware that is apparently found in underground forums, and the websites of this info stealer is signed by a Sectigo certificate.
The main motive of this malware is to collect data from the browsers like the:-
The researchers affirmed that if you click on the download button that is present on their websites, it will supervise you to a script execution that confirms the IP and delivers the artifacts from the remote website.
Just like the third paid ad in a search for the popular apps like AnyDesk, Dropbox, and Telegram Taurus infostealer is dispatched. While in the case of website certification, it’s signed with an authentic Cloudflare certificate.
From a submitted form that’s commanded by “get.php” Taurus downloads the results, as for the Taurus website there were no redirects to websites. In short, it uses the website directly to deliver the malicious packages of those popular apps that are wrapped as ISO images.
Mini-Redline infostealer websites are signed with Cloudflare certificates just like the Taurus Infostealer websites. But, here, to increase the file size of the ISO file it stuffs the file with unwanted zeros.
Unlike others, different communication channels are used by the Mini-Redline infostealer; but, still, it also uses the direct TCP socket connection as well.
However, all these above-mentioned sites running advertisements could be easily changed by the attackers, since, these malvertisements aren’t sophisticated attacks.
But, these types of events justify and create a situation that clearly depicts, currently, we can’t even trust the top search results of Google.
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