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Perfectl Malware

Schneier on Security

Perfectl in an impressive piece of malware: The malware has been circulating since at least 2021. The researchers are calling the malware Perfctl, the name of a malicious component that surreptitiously mines cryptocurrency. Perfctl further cloaks itself using a host of other tricks.

Malware 267
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Oops: DanaBot Malware Devs Infected Their Own PCs

Krebs on Security

government today unsealed criminal charges against 16 individuals accused of operating and selling DanaBot , a prolific strain of information-stealing malware that has been sold on Russian cybercrime forums since 2018. DanaBot’s features, as promoted on its support site. DanaBot’s features, as promoted on its support site.

Malware 165
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Linux-Targeted Malware Increased by 35%

Schneier on Security

Crowdstrike is reporting that malware targeting Linux has increased considerably in 2021: Malware targeting Linux systems increased by 35% in 2021 compared to 2020. XorDDoS, Mirai and Mozi malware families accounted for over 22% of Linux-targeted threats observed by CrowdStrike in 2021.

Malware 339
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Microsoft Patch Tuesday, December 2021 Edition

Krebs on Security

“Basically the perfect ending to cybersecurity in 2021 is a 90s style Java vulnerability in an open source module, written by two volunteers with no funding, used by large cybersecurity vendors, undetected until Minecraft chat got pwned, where nobody knows how to respond properly,” researcher Kevin Beaumont quipped on Twitter.

Internet 357
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Microsoft Patch Tuesday, April 2021 Edition

Krebs on Security

Nineteen of the vulnerabilities fixed this month earned Microsoft’s most-dire “Critical” label, meaning they could be used by malware or malcontents to seize remote control over vulnerable Windows systems without any help from users. Interestingly, all four were reported by the U.S.

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Microsoft Patch Tuesday, July 2021 Edition

Krebs on Security

Thirteen of the security bugs quashed in this month’s release earned Microsoft’s most-dire “critical” rating, meaning they can be exploited by malware or miscreants to seize remote control over a vulnerable system without any help from users. That patch seems to have caused a number of problems for Windows users.

DNS 342
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Patch Tuesday, October 2021 Edition

Krebs on Security

to fix a zero-day vulnerability (CVE-2021-30883) that is being leveraged in active attacks targeting iPhone and iPad users. CVE-2021-38672 affects Windows 11 and Windows Server 2022; CVE-2021-40461 impacts both Windows 11 and Windows 10 systems, as well as Server versions. Firstly, Apple has released iOS 15.0.2