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Elaborate botnet is hijacking Microsoft servers to mine crypto



Guardicore, a data center and cloud security company, issued a report today detailing an extensive campaign by a botnet to hijack Microsoft SQL Server (MS-SQL) machines around the globe and force them to mine the cryptocurrencies Monero and Vollar. Dubbed “Vollgar” by the company—a portmanteau of Vollar and vulgar—the campaign has continued on since it was first detected in May 2018, steadily infecting about 3,000 new machines daily across all sorts of industries, including healthcare and telecommunications. According to Guardicore, the most-infected countries are China, India, the United States, South Korea, and Turkey, with the vast majority of attacking machines located in China. A peak of activity in December 2019 caught the company’s attention, eventually leading to today’s report. “During its two years of activity, the campaign’s attack flow has remained similar—thorough, well-planned, and noisy,” the report reads. Read More...