Pierluigi Paganini
July 14, 2023
The source code for the BlackLotus UEFI bootkit has been published on GitHub and experts warn of the risks of proliferation of custom versions. Researchers from ESET discovered in March a new stealthy Unified Extensible Firmware Interface (UEFI) bootkit, named BlackLotus, that is able to bypass Secure Boot on Windows 11. Secure Boot is a security feature of the […]
Pierluigi Paganini
March 01, 2023
ESET discovered a stealthy Unified Extensible Firmware Interface (UEFI) bootkit dubbed BlackLotus that is able to bypass the Secure Boot on Windows 11. Researchers from ESET discovered a new stealthy Unified Extensible Firmware Interface (UEFI) bootkit, named BlackLotus, that is able to bypass Secure Boot on Windows 11. Secure Boot is a security feature of the […]
Pierluigi Paganini
January 21, 2022
Researchers have spotted China-linked APT41 cyberespionage group using a UEFI implant, dubbed MoonBounce, to maintain persistence. Kaspersky researchers spotted the China-linked APT41 cyberespionage group using a UEFI implant, dubbed MoonBounce, to maintain persistence. At the end of 2021, researchers discovered a UEFI firmware-level compromise by analyzing logs from its Firmware Scanner. Threat actors compromised a single […]
Pierluigi Paganini
March 04, 2021
Now maintainers at the GRUB project have released security updates to address more than 100 vulnerabilities. GRUB2 (the GRand Unified Bootloader version 2) is a replacement for the original GRUB Legacy boot loader, which is now referred to as “GRUB Legacy”. The mechanism is designed to protect the boot process from attacks. In July 2020, researchers at the cybersecurity firmware Eclypsium disclosed a buffer […]
Pierluigi Paganini
September 30, 2017
A group of researchers with Duo Security demonstrated that millions of Up-to-Date Apple Macs are vulnerable to EFI Firmware attacks. In 2015, the security researcher Trammell Hudson demonstrated at the Chaos Computer Congress in Hamburg, how it is possible to infect Apple Mac PCs exploiting the Thunderbolt port. Since the disclosure of the attack against the Apple […]
Pierluigi Paganini
June 01, 2015
A security researcher discovered a zero-day vulnerability in many Mac firmware that could allow an easy installation of an EFI rootkits. The cyber security expert Pedro Vilaça has discovered a low-level zero-day vulnerability in Apple Mac systems that could be exploited by privileged users to more install an EFI rootkits. Vilaça explained that the attack is […]
Pierluigi Paganini
January 07, 2015
The Carnegie Mellon University CERT/CC warned about the presence of serious vulnerabilities in the Unified Extensible Firmware Interface (UEFI). The CERT/CC has issued three different advisories for security flaws identified in the Unified Extensible Firmware Interface (UEFI). The Unified Extensible Firmware Interface (UEFI) (pronounced as an initialism U-E-F-I or like “unify” without the n) is a specification that defines a software interface between an operating […]
Pierluigi Paganini
January 05, 2015
A security researcher has presented a technique dubbed Thunderstrike hack to infect Apple’s Mac PCs with with EFI Bootkit through the Thunderbolt port. Infect Apple Mac PCs exploiting the Thunderbolt port is possible, the security researcher Trammell Hudson has demonstrated how it is possible during the last edition of the annual Chaos Computer Congress in Hamburg, Germany. The […]
Pierluigi Paganini
December 31, 2014
A group of experts managed to uncover USB modem vulnerabilities that allow a potential attacker to gain full control of the connected system. A team of researchers at Positive Technologies conducted a study on how to compromise USB modems and attack SIM cards via SMS over 4G networks at the PacSec and Chaos Computer Club […]
Pierluigi Paganini
June 02, 2014
Security Experts discovered a new attack method to defeat Secure Boot security mechanism of the UEFI (Unified Extensible Firmware Interface). The Secure Boot security mechanism of the UEFI (Unified Extensible Firmware Interface) can be circumvented on around half of PCs that use it, security researcher Corey Kallenberg from nonprofit research organization Mitre has demonstrated it at […]
