Google ads might be a security risk

Google ads might be a security risk


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Google ads might be a security risk

Microsoft warning

Software King of the World Microsoft has warned that a Google Ads campaign is distributing compromise payloads, including the recently discovered Royal ransomware.

Microsoft spotted the updated malware delivery method in late October 2022, is tracking the group under the name DEV-0569.

The Microsoft Security Threat Intelligence team said in an analysis that DEV-0569 attacks show a pattern of "continuous innovation, with regular incorporation of new discovery techniques, defense evasion, and various post-compromise payloads, alongside increasing ransomware facilitation,".

The threat actor is known to rely on malvertising to point unsuspecting victims to malware downloader links that pose as software installers for legitimate apps like Adobe Flash Player, AnyDesk, LogMeIn, Microsoft Teams, and Zoom.

The malware downloader, a strain referred to as BATLOADER, is a dropper that functions as a conduit to distribute next-stage payloads. It has been observed to share overlaps with another malware called ZLoader.

A recent analysis of BATLOADER by eSentire and VMware called out the malware’s stealth and persistence, in addition to its use of search engine optimization (SEO) poisoning to lure users to download the malware from compromised websites or attacker-created domains.

Alternatively, phishing links are shared through spam emails, fake forum pages, blog comments, and even contact forms present on targeted organizations’ websites.

"DEV-0569 has used varied infection chains using PowerShell and batch scripts that ultimately led to the download of malware payloads like information stealers or a legitimate remote management tool used for persistence on the network," the tech giant noted.

"Since DEV-0569’s phishing scheme abuses legitimate services, organizations can also leverage mail flow rules to capture suspicious keywords or review broad exceptions, such as those related to IP ranges and domain-level allow lists," Microsoft said.

Tech

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November 21, 2022 at 02:30AM

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