Government-backed actors exploiting WinRAR vulnerability

In recent weeks, Google’s Threat Analysis Group’s (TAG) has observed multiple government-backed hacking groups exploiting the known vulnerability, CVE-2023-38831, in WinRAR, which is a popular file archiver tool for Windows.

Cybercrime groups began exploiting the vulnerability in early 2023, when the bug was still unknown to defenders. A patch is now available, but many users still seem to be vulnerable. TAG has observed government-backed actors from a number of countries exploiting the WinRAR vulnerability as part of their operations.

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Source: Google Threat Analysis Group