LINUX

Pierluigi Paganini January 27, 2022
Experts analyze first LockBit ransomware for Linux and VMware ESXi

LockBit expands its operations by implementing a Linux version of LockBit ransomware that targets VMware ESXi servers. LockBit is the latest ransomware operation to add the support for Linux systems, experts spotted a new version that targets VMware ESXi virtual machines. The move aims at expanding the audience of potential targets, including all the organizations […]

Pierluigi Paganini January 26, 2022
PwnKit: Local Privilege Escalation bug affects major Linux distros

A flaw in Polkit’s pkexec component, tracked as CVE-2021-4034 (PwnKit) can be exploited to gain full root privileges on major Linux distros. An attacker can exploit a vulnerability in Polkit’s pkexec component, tracked as CVE-2021-4034, that affects all major Linux distributions to gain full root privileges on the system. The good news is that this […]

Pierluigi Paganini January 22, 2022
Vulnerabilities in Control Web Panel potentially expose Linux Servers to hack

Two critical security vulnerabilities in Control Web Panel potentially expose Linux servers to remote code execution attacks Researchers from Octagon Networks disclosed details of two critical security flaws in Control Web Panel that potentially expose Linux servers to remote code execution attacks. Control Web Panel is a popular open-source Linux control panel for servers and VPS that allows easy […]

Pierluigi Paganini January 17, 2022
Experts warn of attacks using a new Linux variant of SFile ransomware

The operators of the SFile ransomware (aka Escal) have developed a Linux version of their malware to expand their operations. SFile ransomware (aka Escal), has been active since 2020, it was observed targeting only Windows systems. Some variants of the ransomware append the English name of the target company to the filenames of the encrypted files. […]

Pierluigi Paganini November 18, 2021
Attackers deploy Linux backdoor on e-stores compromised with software skimmer

Researchers discovered threat actors installing a Linux backdoor on compromised e-commerce servers after deploying a credit card skimmer into e-stores. Security researchers from Sansec Threat Research Team discovered a Linux backdoor during an investigation into the compromised of an e-commerce server with a software skimmer. The attackers initially conducted a reconnaissance phase by probing the […]

Pierluigi Paganini November 13, 2021
New evolving Abcbot DDoS botnet targets Linux systems

Qihoo 360’s Netlab detailed a new evolving DDoS botnet called Abcbot with wormable capabilities that targets Linux systems. Researchers from Qihoo 360’s Netlab security team have spotted a new botnet, tracked as Abcbot, that targets Linux systems to launch distributed denial-of-service (DDoS) attacks. The security firm analyzed a total of six versions of the botnet […]

Pierluigi Paganini November 10, 2021
Experts found 14 new flaws in BusyBox, millions of devices at risk

Researchers have identified a total of 14 new vulnerabilities in BusyBox that expose million of Unix-based devices to cyberattacks. Researchers from software development company JFrog and industrial cybersecurity firm Claroty have identified a total of 14 new critical vulnerabilities in BusyBox. The software is used by many network appliances and embedded devices with limited memory […]

Pierluigi Paganini November 04, 2021
Expert found a critical remote code execution bug in Linux Kernel

A critical heap-overflow vulnerability, tracked as CVE-2021-43267, in Linux Kernel can allow remote attackers to takeover vulnerable installs. A SentinelOne researcher discovered a critical remote code execution vulnerability, tracked as CVE-2021-43267, resides in the Transparent Inter Process Communication (TIPC) module of the Linux kernel. The flaw is a critical heap-overflow issue that could lead to […]

Pierluigi Paganini October 29, 2021
ESET found a variant of the Hive ransomware that encrypts Linux and FreeBSD

The Hive ransomware operators have developed a new variant of their malware that can encrypt Linux and FreeBSD. ESET researchers discovered a new Hive ransomware variant that was specifically developed to encrypt Linux and FreeBSD. Researchers at the cybersecurity firm believe that the new encryptors are still under development. Both variants are written in Golang, […]

Pierluigi Paganini October 10, 2021
Previously undetected FontOnLake Linux malware used in targeted attacks

ESET researchers spotted a previously unknown, modular Linux malware, dubbed FontOnLake, that has been employed in targeted attacks. ESET researchers spotted a previously unknown, modular Linux malware, dubbed FontOnLake, that was employed in targeted attacks on organizations in Southeast Asia. According to the experts, modules of this malware family are under development and continuously improved. […]