VMware fixes critical sandbox escape flaws in ESXi, Workstation, and Fusion

VMware fixes critical sandbox escape flaws in ESXi, Workstation, and Fusion

VMware released security updates to fix critical sandbox escape vulnerabilities in VMware ESXi, Workstation, Fusion, and Cloud Foundation products, allowing attackers to escape virtual machines and access the host operating system. These types of flaws are critical as they could permit attackers to gain unauthorized access to the host system where a hypervisor is installed … Read more

New Bifrost malware for Linux mimics VMware domain for evasion

New Bifrost malware for Linux mimics VMware domain for evasion

A new Linux variant of the Bifrost remote access trojan (RAT) employs several novel evasion techniques, including the use of a deceptive domain that was made to appear as part of VMware. First identified twenty years ago, Bifrost is one of the longest-standing RAT threats in circulation. It infects users via malicious email attachments or payload-dropping … Read more

RansomHouse gang automates VMware ESXi attacks with new MrAgent tool

RansomHouse gang automates VMware ESXi attacks with new MrAgent tool

The RansomHouse ransomware operation has created a new tool named ‘MrAgent’ that automates the deployment of its data encrypter across multiple VMware ESXi hypervisors. RansomHouse is a ransomware-as-a-service (RaaS) operation that emerged in December 2021 and is using double extortion tactics. In May 2022, the operation set up a dedicated victim extortion page on the dark web. … Read more