Bogus URL Shorteners Go Mobile-Only in AdSense Fraud Campaign

Since September 2022, our team has been tracking a bogus URL shortener redirect campaign that started with just a single domain: ois[.]is. By the beginning of 2023, this malware campaign had expanded to over a hundred domain names to redirect traffic to low quality Q&A sites and monetize traffic via Google AdSense. In fact, since the beginning of this year alone, Sucuri’s remote website scanner has detected various strains of this malware on over 24,000 websites.

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