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 […]

Pierluigi Paganini October 04, 2022
Linux Cheerscrypt ransomware is linked to Chinese DEV-0401 APT group

Researchers link recently discovered Linux ransomware Cheerscrypt to the China-linked cyberespionage group DEV-0401. Researchers at cybersecurity firm Sygnia attributed the recently discovered Linux ransomware Cheerscrypt to the China-linked cyber espionage group Bronze Starlight (aka DEV-0401, APT10) Bronze Starlight, has been active since mid-2021, in June researchers from Secureworks reported that the APT group is deploying […]

Pierluigi Paganini August 22, 2022
8-year-old Linux Kernel flaw DirtyCred is nasty as Dirty Pipe

Researchers shared details of an eight-year-old flaw dubbed DirtyCred, defined as nasty as Dirty Pipe, in the Linux kernel. Researchers from Northwestern University (Zhenpeng Lin  |  PhD Student,Yuhang Wu  |  PhD Student, Xinyu Xing  |  Associate Professor) disclosed an eight-year-old security vulnerability in the Linux kernel, dubbed DirtyCred, which they defined “as nasty as Dirty Pipe.” The Dirty Pipe flaw, tracked […]

Pierluigi Paganini August 15, 2022
A new PyPI Package was found delivering fileless Linux Malware

Security Researchers discovered a new PyPI Package designed to drop fileless cryptominer to Linux systems. Sonatype researchers have discovered a new PyPI package named ‘secretslib‘ that drops fileless cryptominer to the memory of Linux machine systems. The package describes itself as “secrets matching and verification made easy,” it has a total of 93 downloads since […]

Pierluigi Paganini July 21, 2022
Lightning Framework, a previously undetected malware that targets Linux systems

Researchers discovered a previously undetected malware dubbed ‘Lightning Framework’ that targets Linux systems. Researchers from Intezer discovered a previously undetected malware, tracked as Lightning Framework, which targets Linux systems. The malicious code has a modular structure and is able to install rootkits. “Lightning Framework is a new undetected Swiss Army Knife-like Linux malware that has […]

Pierluigi Paganini July 07, 2022
OrBit, a new sophisticated Linux malware still undetected

Cybersecurity researchers warn of new malware, tracked as OrBit, which is a fully undetected Linux threat. Cybersecurity researchers at Intezer have uncovered a new Linux malware, tracked as OrBit, that is still undetected. The malware can be installed as a volatile implant either by achieving persistence on the compromised systems. The malware implements advanced evasion […]

Pierluigi Paganini June 14, 2022
Experts spotted Syslogk, a Linux rootkit under development

Experts spotted a new Linux rootkit, dubbed ‘Syslogk,’ that uses specially crafted “magic packets” to activate a dormant backdoor on the device. Researchers from antivirus firm Avast spotted a new Linux rootkit, dubbed ‘Syslogk,’ that uses specially crafted “magic packets” to activate a dormant backdoor on the device. The experts reported that the Syslogk rootkit is heavily […]

Pierluigi Paganini May 20, 2022
The activity of the Linux XorDdos bot increased by 254% over the last six months

Microsoft researchers have observed a spike in the activity of the Linux bot XorDdos over the last six months. XORDDoS, also known as XOR.DDoS, first appeared in the threat landscape in 2014 it is a Linux Botnet that was employed in attacks against gaming and education websites with massive DDoS attacks that reached 150 gigabytes per second […]