Pierluigi Paganini
July 29, 2023
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
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
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 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 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
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
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 […]
Pierluigi Paganini
October 17, 2022
Lansweeper warns that over 45,000 VMware ESXi servers exposed online have reached end-of-life (EOL), making them an easy target for attackers. IT Asset Management software provider Lansweeper has scanned the Internet for VMware ESXi servers and found over 45,000 instances that have reached end-of-life (EOL). The company discovered 79,000 VMware ESXi instances operated by 6.000 […]
Pierluigi Paganini
October 07, 2022
VMware this week addressed a severe vulnerability in vCenter Server that could lead to arbitrary code execution. VMware on Thursday released security patches to address a code execution vulnerability, tracked as CVE-2022-31680 (CVSS score of 7.2), in vCenter Server. The security issue is an unsafe deserialization vulnerability that resides in the platform services controller (PSC). […]
Pierluigi Paganini
October 05, 2021
An unnamed ransomware gang used a custom Python script to target VMware ESXi and encrypt all the virtual machines hosted on the server. Researchers from Sophos were investigating a ransomware attack when discovered that the attackers employed a Python script to encrypt virtual machines hosted on VMware ESXi servers. In the attack investigated by the […]
