Interesting: The company has released a working rootkit called “Curing” that uses io_uring, a feature built into the Linux kernel, to stealthily perform malicious activities without being caught by many of the detection solutions currently on the market. At the heart of the issue is the heavy reliance on monitoring system calls, which has become … Read More “New Linux Rootkit” »
Category: rootkits
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Kaspersky is reporting on a new UFEI rootkit that survives reinstalling the operating system and replacing the hard drive. From an article: The firmware compromises the UEFI, the low-level and highly opaque chain of firmware required to boot up nearly every modern computer. As the software that bridges a PC’s device firmware with its operating … Read More “New UFEI Rootkit” »
It’s a privilege escalation vulnerability: Linux users on Tuesday got a major dose of bad news — a 12-year-old vulnerability in a system tool called Polkit gives attackers unfettered root privileges on machines running most major distributions of the open source operating system. Previously called PolicyKit, Polkit manages system-wide privileges in Unix-like OSes. It provides … Read More “Twelve-Year-Old Linux Vulnerability Discovered and Patched” »
Ad blockers represent the largest consumer boycott in human history. They’re also an arms race between the blockers and the blocker blockers. This article discusses a new ad-blocking technology that represents another advance in this arms race. I don’t think it will “put an end to the ad-blocking arms race,” as the title proclaims, but … Read More “Advances in Ad Blocking” »
I am deeply skeptical of the FBI’s announcement on Friday that North Korea was behind last month’s Sony hack. The agency’s evidence is tenuous, and I have a hard time believing it. But I also have trouble believing that the US government would make the accusation this formally if officials didn’t believe it. Clues in … Read More “Did North Korea Really Attack Sony?” »