Tag: esxi

6 Attack Reports | 0 Vulnerabilities

Attack reports

BERT Ransomware Group Targets Asia and Europe on Multiple Platforms

A newly emerged ransomware group called BERT has been targeting organizations across Asia and Europe since April. The group employs simple code with effective execution, impacting sectors such as healthcare, technology, and event services. BERT's ransomware operates on both Windows and Linux platfo…

Published: July 7, 2025

Downloadable IOCs: 9

Inside BRUTED: Black Basta (RaaS) Used Automated Brute Forcing Framework to Target Edge Network Devices

Black Basta, a ransomware-as-a-service group, has been using an automated brute forcing framework called BRUTED to target edge network devices since 2023. The framework performs internet scanning and credential stuffing against firewalls and VPN solutions in corporate networks. Black Basta prioriti…

credential-stuffing

Published: April 16, 2025

Downloadable IOCs: 18

The Anatomy of Abyss Locker Ransomware Attack

Abyss Locker (AKA Abyss ransomware) is a relatively new threat group that emerged in 2023, specializing in swift and decisive intrusions designed to cripple victims with ransomware. Abyss Locker was active throughout 2024, causing multiple incidents investigated by Sygnia. However, no recent techni…

Published: February 10, 2025

Downloadable IOCs: 15

Akira ransomware continues to evolve

Akira ransomware has established itself as a prominent threat, constantly evolving its tactics. Initially employing double-extortion, it shifted focus to data exfiltration in early 2024. The group developed a Rust variant of their ESXi encryptor, moving away from C++. Recently, Akira has returned t…

vulnerability exploitation

double-extortion

Published: October 22, 2024

Linked vulnerabilities : CVE-2024-37085 (CVSS 6.8), CVE-2024-40766 (CVSS 9.8), CVE-2024-40711 (CVSS 9.8), CVE-2023-27532, CVE-2023-20269, CVE-2020-3259, CVE-2023-48788, CVE-2023-20263

Downloadable IOCs: 37

THREAT ANALYSIS: Beast Ransomware

The Beast Ransomware group, active since 2022, offers a Ransomware-as-a-Service (RaaS) platform with constant updates. It supports Windows, Linux, and ESXi systems, providing affiliates with customizable binary options. Beast employs advanced encryption methods, including Elliptic-curve and ChaCha2…

beast ransomware

self-propagation

Published: October 19, 2024

Downloadable IOCs: 0

New Play Ransomware Linux Variant Targets ESXi Shows Ties

The Play ransomware group, known for double-extortion tactics and advanced evasion techniques, has developed a new Linux variant specifically designed to target VMware ESXi environments. This variant aims to encrypt virtual machines (VMs) and associated files, potentially causing significant operat…

Published: July 22, 2024

Downloadable IOCs: 2

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