VMware Finds No Evidence of 0-Day in Ongoing ESXiArgs Ransomware Spree

VMware on Monday said it found no evidence that threat actors are leveraging an unknown security flaw, i.e., a zero-day, in its software as part of an ongoing ransomware attack spree worldwide. "Most reports state that End of General Support EoGS and/or significantly out-of-date products are bein...

VMware Finds No Evidence of 0-Day in Ongoing ESXiArgs Ransomware Spree

VMware on Monday said it found no evidence that threat actors are leveraging an unknown security flaw, i.e., a zero-day, in its software as part of an ongoing ransomware attack spree worldwide. "Most reports state that End of General Support EoGS and/or significantly out-of-date products are bein...

Florida hospital takes entire IT systems offline after 'ransomware attack'

Tallahassee Memorial Healthcare TMH, a major hospital system in northern Florida, has reportedly been experiencing an "IT security issue" since Thursday evening, which impacted some of its IT systems. When TMH learned of the issue, it took its entire IT systems offline as a precaution and contact...

CISA Releases ESXiArgs Ransomware Recovery Script

CISA has released a recovery script for organizations that have fallen victim to ESXiArgs ransomware. The ESXiArgs ransomware encrypts configuration files on vulnerable ESXi servers, potentially rendering virtual machines VMs unusable. CISA recommends organizations impacted by ESXiArgs evaluate t...

Ransomware Campaign Compromising VMware ESXi Servers

On February 3, 2023, French web hosting provider OVH and French CERT issued warnings about a ransomware campaign that was targeting VMware ESXi servers worldwide with a new ransomware strain dubbed “ESXiArgs.” The campaign appears to be leveraging CVE-2021-21974, a nearly two-year-old heap overfl...

Ransomware and Commodity Loader Topic Summary Report: Cisco Talos Year in Review 2022

The ransomware space is dynamic, continually adapting to changes in the geopolitical environment, actions by defenders, and efforts by law enforcement, which increased in scope and intensity in 2022. This leads groups to rebrand under different names, shut down operations, and form new strategic...

[update]Two year old vulnerability used in ransomware attack against VMware ESXi

On Friday and over the weekend, several Computer Emergency Response Teams CERTs sounded the alarm about an ongoing large scale ransomware attack on VMware ESXi virtual machines. With some discrepancies between Shodan queries from various researchers, most agree that an estimated 500 entities were...

New Wave of Ransomware Attacks Exploiting VMware Bug to Target ESXi Servers

VMware ESXi hypervisors are the target of a new wave of attacks designed to deploy ransomware on compromised systems. "These attack campaigns appear to exploit CVE-2021-21974, for which a patch has been available since February 23, 2021," the Computer Emergency Response Team CERT of France said i...

New Wave of Ransomware Attacks Exploiting VMware Bug to Target ESXi Servers

VMware ESXi hypervisors are the target of a new wave of attacks designed to deploy ransomware on compromised systems. "These attack campaigns appear to exploit CVE-2021-21974, for which a patch has been available since February 23, 2021," the Computer Emergency Response Team CERT of France said i...

Threat Round up for January 27 to February 3

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Jan. 27 and Feb. 3. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

The rise of multi-threat ransomware

Today we have a ten minute YouTube expedition into the murky world of ransomware. In the video, "The rise of multi-threat ransomware" embedded below, I cover a couple of key talking points that always seem to come up in conversation. Single, double, triple? The video covers how ransomware made th...

Unveiling the Advanced Rust-based Nevada Ransomware

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A new type of ransomware named "Nevada Ransomware" has been identified. The creators of this ransomware have established an affiliate program that was initially introduced in the RAMP underground...

Aws-Security-Assessment-Solution - An AWS Tool To Help You Create A Point In Time Assessment Of Your AWS Account Using Prowler And Scout As Well As Optional AWS Developed Ransomware Checks

Self-Service Security Assessment too l Cybersecurity remains a very important topic and point of concern for many CIOs, CISOs, and their customers. To meet these important concerns, AWS has developed a primary set of services customers should use to aid in protecting their accounts. Amazon...

Threat Source newsletter (Feb. 2, 2023): I bid you all adieu

Welcome to this weeks edition of the Threat Source newsletter. If you havent noticed yet weve had a few guest writers on this newsletter over the last few months. Alas my time covering the newsletter has ended and I leave you with one final edition. Have no fear, William Largent will be rounding...

6 Ransomware Trends & Evolutions For 2023

In the era of digital transformation, ransomware groups are adapting to changing technology. The next evolution of ransomware could begin with these trends...

Ransomware in December 2022

Malwarebytes Threat Intelligence builds a monthly picture of ransomware activity by monitoring the information published by ransomware gangs on their dark web leak sites. This information represents victims who were successfully attacked but opted not to pay a ransom. Lockbit has rebounded from i...

PT-2023-1431

Name of the Vulnerable Software and Affected Versions Fortra GoAnywhere MFT versions prior to 7.1.2 Description Fortra GoAnywhere MFT is susceptible to a pre-authentication command injection due to the deserialization of attacker-controlled objects within the License Response Servlet. The Clop...

A Customer Success Manager’s Journey to Cybersecurity

Originally planning to pursue a career in sports journalism, Blake Walters joined Rapid7 ready to roll up his sleeves and learn about an entirely new field—cybersecurity. Walters always had an interest in computer engineering. However, he craved the ability to connect with people and build...

Ransomware Payments Are Down

Chainalysis reports that worldwide ransomware payments were down in 2022. Ransomware attackers extorted at least $456.8 million from victims in 2022, down from $765.6 million the year before. As always, we have to caveat these findings by noting that the true totals are much higher, as there are...

New Report Reveals NikoWiper Malware That Targeted Ukraine Energy Sector

The Russia-affiliated Sandworm used yet another wiper malware strain dubbed NikoWiper as part of an attack that took place in October 2022 targeting an energy sector company in Ukraine. "The NikoWiper is based on SDelete, a command line utility from Microsoft that is used for securely deleting...