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Hackers were spotted abusing a high severity vulnerability inMicrosoftSharePoint to gain access to corporate IT infrastructure.

Finally, they installed a Chinese antivirus solution to degrade, or disable, security tools on systems.

Password

For context, Horoung Antivirus is a popular AV software in China that can be installed from Microsoft Store.

Most notably, the installation of Horoung caused a conflict with active security products on the system.

This resulted in a crash of these services.

ViaBleepingComputer

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