Back in October 2022, Kaspersky GReAT was looking into a peculiar advertisement on a hacking forum. A cybercriminal had been advertising a UEFI bootkit, dubbed BlackLotus, that could bypass Secure Boot, for $5,000. Given the low price for such powerful capabilities, the cybersecurity community initially took this advertisement with a grain of salt. As no BlackLotus samples were found in the wild, no one could at the time verify the claims made in the forum post.
However, about half a year later, in March 2023, ESET confirmed that the BlackLotus advertisement was genuine. The researchers tracked down samples of this bootkit and confirmed that it can indeed bypass Secure Boot through a vulnerability called Baton Drop (CVE-2022-21894). As this vulnerability was still exploitable in 2023, Microsoft had to release multiple security updates to address it.
Read more…
Source: Kaspersky
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Securing Computerized Vehicles from Potential Cybersecurity Threats
June 6, 2021
Like technology itself, cybersecurity is ever-evolving and encompassing more areas of our lives, including transportation. Popular science fiction movies have led us to expect flying taxis and private space travel as the future of transportation. If that is going to become an eventual reality, the first steps towards that future are “smart cars” and automated ...
- REvil Ransomware Gang Spill Details on US Attacks
June 4, 2021
Cybercriminals behind the JBS Foods ransomware attack claim they had no intent to target United States-based firms. The group, identified as the Sodinokibi REvil ransomware gang, also said it was not afraid of being labeled a cyber-terrorist group. A spokesperson for REvil shared its positions in an interview on a YouTube and Telegram channel called Russian ...
- TeamTNT Actively Enumerating Cloud Environments to Infiltrate Organizations
June 4, 2021
TeamTNT has been evolving their cloud-focused cryptojacking operations for some time now. TeamTNT operations have targeted and, after compromise, exfiltrated AWS credentials, targeted Kubernetes clusters and created new malware called Black-T that integrates open source cloud native tools to assist in their cryptojacking operations. TeamTNT operations are now using compromised AWS credentials to enumerate AWS cloud ...
- New SkinnyBoy malware used by Russian hackers to breach sensitive orgs
June 3, 2021
Security researchers have discovered a new piece of malware called SkinnyBoy that was used in spear-phishing campaigns attributed to Russian-speaking hacking group APT28. The threat actor, also known as Fancy Bear, Sednit, Sofacy, Strontium, or PwnStorm, used SkinnyBoy in attacks targeting military and government institutions earlier this year. SkinnyBoy is intended for an intermediary stage of the ...
- Necro Python bot revamped with new VMWare, server exploits
June 3, 2021
A recent Necro Python bot campaign has shown that the developer behind the malware is hard at work ramping up its capabilities. On Thursday, researchers from Cisco Talos published a report on Necro Python, a bot that has been in development since 2015. The botnet’s development progress was documented in January 2021 by both Check Point ...
- Email spoofing: how attackers impersonate legitimate senders
June 3, 2021
In a nutshell, email spoofing is the creation of fake emails that seem legitimate. This article analyzes the spoofing of email addresses through changing the From header, which provides information about the sender’s name and address. SMTP (Simple Mail Transfer Protocol, the main email transmission protocol in TCP/IP networks) offers no protection against spoofing, so it ...