VMWare ESXi

Pierluigi Paganini August 01, 2024
Over 20,000 internet-exposed VMware ESXi instances vulnerable to CVE-2024-37085

Shadowserver researchers reported that over 20,000 internet-exposed VMware ESXi instances are affected by the actively exploited flaw CVE-2024-37085. Researchers at the Shadowserver Foundation reported that approximately 20,000 VMware ESXi servers exposed online appear impacted by the exploited vulnerability CVE-2024-37085. Microsoft this week warned that multiple ransomware gangs are exploiting the recently patched vulnerability CVE-2024-37085 (CVSS […]

Pierluigi Paganini July 29, 2024
Ransomware gangs exploit recently patched VMware ESXi bug CVE-2024-37085

Microsoft warns that ransomware gangs are exploiting the recently patched CVE-2024-37085 flaw in VMware ESXi flaw. Microsoft researchers warned that multiple ransomware gangs are exploiting the recently patched vulnerability CVE-2024-37085 (CVSS score of 6.8) in VMware ESXi flaw. “Microsoft researchers have uncovered a vulnerability in ESXi hypervisors being exploited by several ransomware operators to obtain full […]

Pierluigi Paganini June 06, 2024
A new Linux version of TargetCompany ransomware targets VMware ESXi environments

A new Linux variant of the TargetCompany ransomware family targets VMware ESXi environments using a custom shell script. A new variant of the TargetCompany ransomware group uses a custom shell script as a means of payload delivery and execution, this is the first time the technique was observed in the wild. The script was also used […]

Pierluigi Paganini July 29, 2023
Now Abyss Locker also targets VMware ESXi servers

A Linux variant of the Abyss Locker designed to target VMware ESXi servers appeared in the threat landscape, experts warn. The operators behind the Abyss Locker developed a Linux variant that targets VMware ESXi servers expanding their potential targets. VMware ESXi servers are privileged targets of ransomware groups and are often part of enterprises’ infrastructures. […]

Pierluigi Paganini June 14, 2023
China-linked APT UNC3886 used VMware ESXi Zero-Day

A China-linked APT group tracked as UNC3886 has been spotted exploiting a VMware ESXi zero-day vulnerability. Mandiant researchers observed a China-linked cyberespionage group, tracked as UNC3886, exploiting a VMware ESXi zero-day vulnerability tracked as CVE-2023-20867. “VMware Tools contains an Authentication Bypass vulnerability in the vgauth module.” reads the advisory published by VMware. “A fully compromised […]

Pierluigi Paganini February 08, 2023
US CISA releases a script to recover servers infected with ESXiArgs ransomware

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) released a script to recover VMware ESXi servers infected with ESXiArgs ransomware. Good news for the victims of the recent wave of ESXiArgs ransomware attacks, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) has released a script to allow them to recover encrypted VMware ESXi servers. The […]

Pierluigi Paganini February 07, 2023
VMware has no evidence of zero-day exploitation in ESXiArgs ransomware attacks

VMware said there is no evidence that threat actors are exploiting a zero-day flaw in its software as part of an ongoing ESXiArgs ransomware campaign. VMware said that it found no evidence that the threat actors behind the ongoing ESXiArgs ransomware attacks are leveraging a zero-day vulnerability in VMware ESXi servers. “VMware has not found evidence […]

Pierluigi Paganini February 06, 2023
Royal Ransomware adds support for encrypting Linux, VMware ESXi systems

Royal Ransomware operators added support for encrypting Linux devices and target VMware ESXi virtual machines. The Royal Ransomware gang is the latest extortion group in order of time to add support for encrypting Linux devices and target VMware ESXi virtual machines. Other ransomware operators already support Linux encrypting, including AvosLocker, Black Basta, BlackMatter, HelloKitty, Hive, […]

Pierluigi Paganini February 06, 2023
Italian National Cybersecurity Agency (ACN) warns of massive ransomware campaign targeting VMware ESXi servers

The Italian National Cybersecurity Agency (ACN) warns of an ongoing massive ransomware campaign targeting VMware ESXi servers. The Italian National Cybersecurity Agency (ACN) warns of an ongoing massive ransomware campaign targeting VMware ESXi servers worldwide, including Italian systems. The attackers are attempting to exploit the CVE-2021–21974 vulnerability. According to the ACN, most of the attacks […]

Pierluigi Paganini December 13, 2022
Experts detailed a previously undetected VMware ESXi backdoor

A new Python backdoor is targeting VMware ESXi servers, allowing attackers to take over compromised systems. Juniper Networks researchers spotted a previously undocumented Python backdoor targeting VMware ESXi servers. The researchers discovered the backdoor in October 2022, experts pointed out the implant is notable for its simplicity, persistence and capabilities. The experts were not able […]