Cyber Defense Advisors

Month: January 2024

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  • January 24, 2024

Kasseika Ransomware Using BYOVD Trick to Disarm Security Pre-Encryption

The ransomware group known as Kasseika has become the latest to leverage the Bring Your Own Vulnerable Driver (BYOVD) attack to disarm security-related processes on compromised Windows hosts, joining the likes of other groups like Akira, AvosLocker, BlackByte, and RobbinHood. The tactic allows “threat actors to terminate antivirus processes and services for the deployment of […]

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  • January 24, 2024

The Unknown Risks of The Software Supply Chain: A Deep-Dive

In a world where more & more organizations are adopting open-source components as foundational blocks in their application’s infrastructure, it’s difficult to consider traditional SCAs as complete protection mechanisms against open-source threats. Using open-source libraries saves tons of coding and debugging time, and by that – shortens the time to deliver our applications. But, as 

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  • January 24, 2024

U.S., U.K., Australia Sanction Russian REvil Hacker Behind Medibank Breach

Governments from Australia, the U.K., and the U.S. have imposed financial sanctions on a Russian national for his alleged role in the 2022 ransomware attack against health insurance provider Medibank. Alexander Ermakov (aka blade_runner, GistaveDore, GustaveDore, or JimJones), 33, has been tied to the breach of the Medibank network as well as the theft and […]

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  • January 24, 2024

Patch Your GoAnywhere MFT Immediately – Critical Flaw Lets Anyone Be Admin

A critical security flaw has been disclosed in Fortra’s GoAnywhere Managed File Transfer (MFT) software that could be abused to create a new administrator user. Tracked as CVE-2024-0204, the issue carries a CVSS score of 9.8 out of 10. “Authentication bypass in Fortra’s GoAnywhere MFT prior to 7.4.1 allows an unauthorized user to create an […]

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  • January 23, 2024

VexTrio: The Uber of Cybercrime – Brokering Malware for 60+ Affiliates

The threat actors behind ClearFake, SocGholish, and dozens of other e-crime outfits have established partnerships with another entity known as VexTrio as part of a massive “criminal affiliate program,” new findings from Infoblox reveal. The latest development demonstrates the “breadth of their activities and depth of their connections within the cybercrime industry,” the company said, […]

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  • January 23, 2024

Malicious NPM Packages Exfiltrate Hundreds of Developer SSH Keys via GitHub

Two malicious packages discovered on the npm package registry have been found to leverage GitHub to store Base64-encrypted SSH keys stolen from developer systems on which they were installed. The modules named warbeast2000 and kodiak2k were published at the start of the month, attracting 412 and 1,281 downloads before they were taken down by the […]

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  • January 23, 2024

“Activator” Alert: MacOS Malware Hides in Cracked Apps, Targeting Crypto Wallets

Cracked software have been observed infecting Apple macOS users with a previously undocumented stealer malware capable of harvesting system information and cryptocurrency wallet data. Kaspersky, which identified the artifacts in the wild, said they are designed to target machines running macOS Ventura 13.6 and later, indicating the malware’s ability to infect Macs on both Intel […]

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  • January 23, 2024

Side Channels Are Common

@ Bruce, ALL, “Side Channels Are Common” Not “common” but “ubiquitous” and inevitable in all communications channels. I’ve been through this a few times on the blog over the past two decades. But the proof if people want to work it out is fundemental to physics. To communicate is a process of “work” thus uses […]

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  • January 23, 2024

From Megabits to Terabits: Gcore Radar Warns of a New Era of DDoS Attacks

As we enter 2024, Gcore has released its latest Gcore Radar report, a twice-annual publication in which the company releases internal analytics to track DDoS attacks. Gcore’s broad, internationally distributed network of scrubbing centers allows them to follow attack trends over time. Read on to learn about DDoS attack trends for Q3–Q4 of 2023, and […]

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