A new self-destructing backdoor called Mistic used in intrusions since April appears to be linked to a criminal gang that compromises corporate networks and then sells that access to ransomware groups, according to security researchers.
This backdoor, also tracked as MLTBackdoor, was first documented by Zscaler earlier this month, with the security shop suggesting the novel malware is “likely used in ransomware attacks to establish a foothold for lateral movement.”
Read more…
Source:
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Hello, Operator? A Technical Analysis of Vishing Threats
June 4, 2025
Organizations are increasingly relying on diverse digital communication channels for essential business operations. The way employees interact with colleagues, access corporate resources, and especially, receive information technology (IT) support is often conducted through calls, chat platforms, and other remote technologies. While these various available methods enhance both efficiency and global accessibility, they also introduce an expanded ...
- Android chipmaker Qualcomm fixes three zero-days exploited by hackers
June 3, 2025
Chipmaker giant Qualcomm released patches on Monday fixing a series of vulnerabilities in dozens of chips, including three zero-days that the company said may be in use as part of hacking campaigns. Qualcomm cited Google’s Threat Analysis Group, or TAG, which investigates government-backed cyberattacks, saying the three flaws “may be under limited, targeted exploitation.” According to ...
- From Ideology to Financial Gain: Exploring the Convergence from Hacktivism to Cybercrime
June 3, 2025
In the ever-evolving landscape of cyber threat actors, the lines between ideologically driven hacktivism and financially motivated cybercriminals have become increasingly blurred. Originally fueled by political, social, or ethical causes, hacktivist groups have historically engaged in digital protest through website defacements, data leaks, and distributed denial of service (DDoS) attacks. However, in recent years, a noticeable ...
- Host-based logs, container-based threats: How to tell where an attack began
June 3, 2025
Although containers provide an isolated runtime environment for applications, this isolation is often overestimated. While containers encapsulate dependencies and ensure consistency, the fact that they share the host system’s kernel introduces security risks. Based on Kaspersky security researchers experience providing Compromise Assessment, SOC Consulting, and Incident Response services to Kaspersky customers, the researchers have repeatedly seen ...
- Google Releases Security Updates for Chrome
June 3, 2025
Google has released version 137.0.7151.68/.69 for Chrome for Windows and Mac and 137.0.7151.68 for Chrome for Linux which will roll out over the coming days/weeks. The updates address two high severity vulnerabilities in the V8 JavaScript engine. CVE-2025-5419 has a CVSSv3 score of 8.8 and is an “out of bounds read and write” vulnerability in V8 ...
- Victims risk AsyncRAT infection after being redirected to fake Booking.com sites
June 2, 2025
Cybercriminals have started a campaign of redirecting links placed on gaming sites and social media—and as sponsored ads—that lead to fake websites posing as Booking.com. According to Malwarebytes research, 40% of people book travel through a general online search, creating a lot of opportunities for scammers. The first signs of the campaign showed up mid-May and ...

