Pierluigi Paganini
October 04, 2024
perfctl malware targets misconfigured Linux servers to deploy cryptocurrency miners and proxyjacking software in an ongoing campaign. Aqua Nautilus researchers shed light on a Linux malware, dubbed perfctl malware, that over the past 3-4 years targeted misconfigured Linux servers. The malicious code was used to drop cryptocurrency miners and proxyjacking software. Perfctl is an elusive […]
Pierluigi Paganini
August 26, 2024
Researchers spotted a new stealthy Linux malware named sedexp that uses Linux udev rules to achieve persistence and evade detection. Aonâs Cyber Solutions spotted a new malware family, called sedexp, that relies on a lesser-known Linux persistence technique. The malware has been active since at least 2022 but remained largely undetected for years. The experts […]
Pierluigi Paganini
June 06, 2024
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
May 30, 2024
CISA adds Check Point Quantum Security Gateways and Linux Kernel flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA)Â added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: The vulnerability CVE-2024-24919 is a Quantum Gateway information disclosure issue. Threat actors exploited the flaw to gain remote firewall access […]
Pierluigi Paganini
May 19, 2024
Symantec warns of a new Linux backdoor used by the North Korea-linked Kimsuky APT in a recent campaign against organizations in South Korea. Symantec researchers observed the North Korea-linked group Kimsuky using a new Linux backdoor dubbed Gomir. The malware is a version of the GoBear backdoor which was delivered in a recent campaign by […]
Pierluigi Paganini
April 17, 2024
Threat actors are exploiting the CVE-2023-22518 flaw in Atlassian servers to deploy a Linux variant of Cerber (aka C3RB3R) ransomware. At the end of October 2023, Atlassian warned of a critical security flaw, tracked as CVE-2023-22518 (CVSS score 9.1), that affects all versions of Confluence Data Center and Server. The vulnerability is an improper authorization issue that can lead to […]
Pierluigi Paganini
March 31, 2024
A Linux variant of the DinodasRAT backdoor used in attacks against users in China, Taiwan, Turkey, and Uzbekistan, researchers from Kaspersky warn. Researchers from Kaspersky uncovered a Linux version of a multi-platform backdoor DinodasRAT that was employed in attacks targeting China, Taiwan, Turkey, and Uzbekistan. DinodasRAT (aka XDealer) is written in C++ and supports a broad range of capabilities to […]
Pierluigi Paganini
March 30, 2024
Red Hat warns of a backdoor in XZ Utils data compression tools and libraries in Fedora development and experimental versions. Red Hat urges users to immediately stop using systems running Fedora development and experimental versions because of a backdoor in the latest versions of the âxzâ tools and libraries. Red Hat Information Risk and Security and Red […]
Pierluigi Paganini
March 04, 2024
A new Linux variant of the remote access trojan (RAT) BIFROSE (aka Bifrost) uses a deceptive domain mimicking VMware. Palo Alto Networks Unit 42 researchers discovered a new Linux variant of Bifrost (aka Bifrose) RAT that uses a deceptive domain (download.vmfare[.]com) that mimics the legitimate VMware domain. The Bifrost RAT has been active since 2004, […]
Pierluigi Paganini
February 14, 2024
Researchers reported that attackers can exploit the ‘command-not-found’ utility to trick users into installing rogue packages on Ubuntu systems. Cybersecurity researchers from cloud security firm Aqua discovered that it is possible to abuse, the popular utility ‘called ‘command-not-found’ that can lead to deceptive recommendations of malicious packages. “Aqua Nautilus researchers have identified a security issue […]
