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Cryptomining Botnet changes CPU settings to improve mining performance

Uptycs threat research team has Find Malware will not only hijack vulnerable *nix-based servers and use them to mine cryptocurrency, but also modify their CPU configuration to improve mining performance at the expense of other applications.

Criminals use Golang-based worms to exploit known vulnerabilities, such as CVE-2020-14882 (Oracle WebLogic) and CVE-2017-11610 (Supervisord) Access to Linux system, report record. Once they hijack a machine, they use Model-specific registers (MSR) To disable the hardware prefetcher, the unit fetches data and instructions from memory to the L2 cache before it is needed.

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