Pierluigi Paganini
September 19, 2023
China-linked threat actor Earth Lusca used a new Linux malware dubbed SprySOCKS in a recent cyber espionage campaign. Researchers from Trend Micro, while monitoring the activity of the China-linked threat actor Earth Lusca, discovered an encrypted file hosted on a server under the control of the group. Additional analysis led to the discovery of a […]
Pierluigi Paganini
August 15, 2023
Monti Ransomware operators returned, after a two-month pause, with a new Linux variant of their encryptor. The Monti ransomware operators returned, after a two-month break, with a new Linux version of the encryptor. The variant was employed in attacks aimed at organizations in government and legal sectors. The Monti group has been active since June 2022, […]
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
July 27, 2023
Wiz researchers discovered two Linux vulnerabilities in the Ubuntu kernel that can allow an unprivileged local user to gain elevated privileges. Wiz Research discovered two privilege escalation vulnerabilities, tracked as CVE-2023-2640 and CVE-2023-32629, in the OverlayFS module in the Linux distro Ubuntu. According to the researchers, the flaws impact 40% of the users of the […]
Pierluigi Paganini
July 06, 2023
StackRot is s new security vulnerability in the Linux kernel that could be exploited to gain elevated privileges on a target system. A security vulnerability, dubbed StackRot was found impacting Linux versions 6.1 through 6.4. The issue, tracked as CVE-2023-3269, (CVSS score: 7.8), is a privilege escalation issue that resides in the memory management subsystem. An unprivileged […]
Pierluigi Paganini
June 20, 2023
Researchers warn of an ongoing Tsunami DDoS botnet campaign targeting inadequately protected Linux SSH servers. Researchers from AhnLab Security Emergency response Center (ASEC) have uncovered an ongoing hacking campaign, aimed at poorly protected Linux SSH servers, to install the Tsunami DDoS botnet (aka Kaiten). The threat actors behind these attacks were also observed installing other […]
Pierluigi Paganini
June 03, 2023
Experts noticed that the new Linux ransomware BlackSuit has significant similarities with the Royal ransomware family. Royal ransomware is one of the most notable ransomware families of 2022, it made the headlines in early May 2023 with the attack against the IT systems in Dallas, Texas. The human-operated Royal ransomware first appeared on the threat landscape in September 2022, it has […]
Pierluigi Paganini
May 29, 2023
A new Golang remote access trojan (RAT), tracked as GobRAT, is targeting Linux routers in Japan, the JPCERT Coordination Center warns. JPCERT/CC is warning of cyberattacks against Linux routers in Japan that have been infected with a new Golang remote access trojan (RAT) called GobRAT. Threat actors are targeting Linux routers with publicly exposed WEBUI to execute […]
Pierluigi Paganini
May 09, 2023
A Linux NetFilter kernel flaw, tracked as CVE-2023-32233, can be exploited by unprivileged local users to escalate their privileges to root. Netfilter is a framework provided by the Linux kernel that allows various networking-related operations to be implemented in the form of customized handlers. Netfilter offers various functions and operations for packet filtering, network address translation, and port translation, which provide the functionality required […]
Pierluigi Paganini
April 27, 2023
RTM ransomware-as-a-service (RaaS) started offering locker ransomware that targets Linux, NAS, and ESXi systems. The Uptycs threat research team discovered the first ransomware binary attributed to the RTM ransomware-as-a-service (RaaS) provider. The new variant of the encryptor targets Linux, NAS, and ESXi hosts, it appears to be based on the source code of Babuk ransomware that was […]
