rootkit
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New stealthy Pumakit Linux rootkit malware spotted in the wild
A new Linux rootkit malware called Pumakit has been discovered that uses stealth and advanced privilege escalation techniques to hide its presence on systems. The malware is a multi-component set that includes a dropper, memory-resident executables, a kernel module rootkit, and a shared object (SO) userland rootkit. Elastic Security discovered Pumakit in a suspicious binary (‘cron’) upload on VirusTotal, dated…
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New Windows Driver Signature bypass allows kernel rootkit installs
Attackers can downgrade Windows kernel components to bypass security features such as Driver Signature Enforcement and deploy rootkits on fully patched systems. This is possible by taking control of the Windows Update process to introduce outdated, vulnerable software components on an up-to-date machine without the operating system changing the fully patched status. Downgrading Windows SafeBreach security researcher Alon Leviev reported…
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North Korean hackers exploit Chrome zero-day to deploy rootkit
North Korean hackers have exploited a recently patched Google Chrome zero-day (CVE-2024-7971) to deploy the FudModule rootkit after gaining SYSTEM privileges using a Windows Kernel exploit. “We assess with high confidence that the observed exploitation of CVE-2024-7971 can be attributed to a North Korean threat actor targeting the cryptocurrency sector for financial gain,” Microsoft said on Friday, attributing the attacks…
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Windows driver zero-day exploited by Lazarus hackers to install rootkit
Image: Midjourney The notorious North Korean Lazarus hacking group exploited a zero-day flaw in the Windows AFD.sys driver to elevate privileges and install the FUDModule rootkit on targeted systems. Microsoft fixed the flaw, tracked as CVE-2024-38193 during its August 2024 Patch Tuesday, along with seven other zero-day vulnerabilities. CVE-2024-38193 is a Bring Your Own Vulnerable Driver (BYOVD) vulnerability in the Windows Ancillary Function…
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