Latest cybersecurity reporting from selected sources.

Chinese-speaking threat actors are suspected to have leveraged a compromised SonicWall VPN appliance as an initial access vector to deploy a VMware ESXi exploit that may have been developed as far back as February 2024

Chinese-speaking threat actors used a compromised SonicWall VPN appliance to deliver a VMware ESXi exploit toolkit that seems to have been developed more than a year before the targeted vulnerabilities became publicly known. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday released details of a backdoor named BRICKSTORM that has been put to use by state-sponsored threat actors from the People's Republic of China (PRC) to maintain long-term persistence on compromised systems

Suspected China-nexus threat actors targeted virtual environments and used several tools and techniques to bypass security barriers and reach isolated portions of victims' networks.

Sygnia observed Chinese cyber campaign dubbed Fire Ant deploying sophisticated techniques to gain full compromise of victim environments, discovering isolated assets

UNC3886 Targeted Edge Devices for Persistence, Mandiant SaysA suspected Chinese hacking group used open-source rootkits to ensure persistence on compromised edge devices such as VMware ESXi servers for espionage campaigns, Google Mandiant said. The hacking group, which Mandiant tracks as UNC3886, is likely a Chinese threat group hacking for Beijing.

The China-nexus cyber espionage actor linked to the zero-day exploitation of security flaws in Fortinet, Ivanti, and VMware devices has been observed utilizing multiple persistence mechanisms in order to maintain unfettered access to compromised environments

Even the most careful VMware customers may need to go back and double check that they weren't compromised by a zero-day exploit for CVE-2023-34048.