LINUX

Pierluigi Paganini March 09, 2023
Recently discovered IceFire Ransomware now also targets Linux systems

The recently discovered Windows ransomware IceFire now also targets Linux enterprise networks in multiple sectors. SentinelLabs researchers discovered new Linux versions of the recently discovered IceFire ransomware that was employed in attacks against several media and entertainment organizations worldwide. The ransomware initially targeted only Windows-based systems, with a focus on technology companies. IceFire was first detected in […]

Pierluigi Paganini January 04, 2023
New shc Linux Malware used to deploy CoinMiner

Researchers discovered a new Linux malware developed with the shell script compiler (shc) that was used to deliver a cryptocurrency miner. The ASEC analysis team recently discovered that a Linux malware developed with shell script compiler (shc) that threat actors used to install a CoinMiner. The experts believe attackers initially compromised targeted devices through a […]

Pierluigi Paganini December 30, 2022
New Linux malware targets WordPress sites by exploiting 30 bugs

A new Linux malware has been exploiting 30 vulnerabilities in outdated WordPress plugins and themes to deploy malicious JavaScripts. Doctor Web researchers discovered a Linux malware, tracked as Linux.BackDoor.WordPressExploit.1, that compromises WordPress websites by exploiting 30 vulnerabilities in multiple outdated plugins and themes. The malware injects into targeted webpages malicious JavaScripts, then when users click on the compromised […]

Pierluigi Paganini December 25, 2022
Critical Linux Kernel flaw affects SMB servers with ksmbd enabled

Experts warn of a critical Linux Kernel vulnerability (CVSS score of 10) impacting SMB servers that can lead to remote code execution. A critical Linux kernel vulnerability (CVSS score of 10) exposes SMB servers with ksmbd enabled to hack. KSMBD is a Linux kernel server that implements SMB3 protocol in kernel space for sharing files […]

Pierluigi Paganini December 07, 2022
New Go-based botnet Zerobot exploits dozens of flaws

Researchers discovered a new Go-based botnet called Zerobot that exploits two dozen security vulnerabilities IoT devices. Fortinet FortiGuard Labs researchers have discovered a new Go-based botnet called Zerobot that spreads by exploiting two dozen security vulnerabilities in the internet of things (IoT) devices and other applications. “This botnet, known as Zerobot, contains several modules, including self-replication, attacks for different protocols, […]

Pierluigi Paganini December 05, 2022
Critical Ping bug potentially allows remote hack of FreeBSD systems

A critical stack-based buffer overflow bug, tracked as CVE-2022-23093, in the ping service can allow to take over FreeBSD systems. The maintainers of the FreeBSD operating system released updates to address a critical flaw, tracked as CVE-2022-23093, in the ping module that could be potentially exploited to gain remote code execution. The ping utility allows testing the […]

Pierluigi Paganini December 03, 2022
A new Linux flaw can be chained with other two bugs to gain full root privileges

Qualys researchers demonstrated how to chain a new Linux flaw with two other two issues to gain full root privileges on an impacted system. Researchers at the Qualys’ Threat Research Unit demonstrated how to chain a new Linux vulnerability, tracked as CVE-2022-3328, with two other flaws to gain full root privileges on an affected system. The […]

Pierluigi Paganini October 21, 2022
CISA adds Linux kernel flaw CVE-2021-3493 to its Known Exploited Vulnerabilities Catalog

CISA added a Linux kernel vulnerability, tracked as CVE-2021-3493, to its Known Exploited Vulnerabilities Catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) this week added a Linux kernel vulnerability, tracked as CVE-2021-3493, to its Known Exploited Vulnerabilities Catalog. According to Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities, FCEB agencies have to address the […]

Pierluigi Paganini October 13, 2022
The discovery of Alchimist C2 tool, revealed a new attack framework to target Windows, macOS, and Linux systems

Experts discovered a new attack framework, including a C2 tool dubbed Alchimist, used in attacks against Windows, macOS, and Linux systems. Researchers from Cisco Talos discovered a new, previously undocumented attack framework that included a C2 dubbed Alchimist. The framework is likely being used in attacks aimed at Windows, macOS, and Linux systems. The experts […]

Pierluigi Paganini October 06, 2022
Watch out, a bug in Linux Kernel 5.19.12 can damage displays on Intel laptops

A bug in Linux Kernel 5.19.12 that was released at the end of September 2022 can potentially damage the displays of Intel laptops. Linux users reported the displays of their Intel laptops rapidly blinking, flickering, and showing white flashes after upgrading to Linux kernel version 5.19.12. Linux expert Ville Syrjäl pointed out that the anomalous […]