In September 2025, Trend Micro researchers noted a striking decline in new command and control infrastructure activity associated with Lummastealer (which Trend Micro tracks as Water Kurita), as well as a significant reduction in the number of endpoints targeted by this notorious malware.
This sudden drop appears to align with a targeted underground exposure campaign that has put the spotlight on individuals allegedly linked to the Lummastealer operation. Allegedly driven by competitors, this campaign has unveiled personal and operational details of several supposed core members, leading to significant changes in Lummastealer’s infrastructure and communications.
Read more…
Source: Trend Micro
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Iranian state hacker group linked to ransomware deployments
October 15, 2020
Security researchers said they found clues linking recent attacks with the Thanos ransomware to a group of Iranian state-sponsored hackers. While investigating security incidents at several Israeli prominent organizations, security researchers from ClearSky and Profero said they linked the intrusions to MuddyWater, a known Iranian state-sponsored hacking group. The intrusions followed similar patterns, with two tactics being ...
- 20 Arrests In QQAAZZ Multi-Million Money Laundering Case
October 15, 2020
An unprecedented international law enforcement operation involving 16 countries has resulted in the arrest of 20 individuals suspected of belonging to the QQAAZZ criminal network which attempted to launder tens of millions of euros on behalf of the world’s foremost cybercriminals. Some 40 house searches were carried out in Latvia, Bulgaria, the United Kingdom, Spain and ...
- Microsoft Addresses Windows TCP/IP RCE/DoS Vulnerability
October 14, 2020
Microsoft has released a security update to address a protocol vulnerability—CVE-2020-16898—in Windows Transmission Control Protocol (TCP)/IP stack handling of Internet Control Message Protocol version 6 (ICMPv6) Router Advertisement packets. A remote attacker could exploit this vulnerability to take control of an affected system or cause a denial-of-service condition. The Cybersecurity and Infrastructure Security Agency (CISA) encourages ...
- FIN11 Cybercrime Gang Shifts Tactics to Double-Extortion Ransomware
October 14, 2020
The FIN11 financial crime gang is shifting its tactics from phishing and credential-theft to ransomware, researchers said. According to FireEye Mandiant researchers, FIN11 is notable for its “sheer volume of activity,” known to run up to five disparate wide-scale email phishing campaigns per week. “At this point, it would be difficult to name a client that ...
- Google, Intel Warn on ‘Zero-Click’ Kernel Bug in Linux-Based IoT Devices
October 14, 2020
Google and Intel are warning of a high-severity flaw in BlueZ, the Linux Bluetooth protocol stack that provides support for core Bluetooth layers and protocols to Linux-based internet of things (IoT) devices. According to Google, the vulnerability affects users of Linux kernel versions before 5.9 that support BlueZ. BlueZ, which is an open-source project distributed under ...
- Two New IoT Vulnerabilities Identified with Mirai Payloads
October 14, 2020
Palo Alto Networks is proactively trying to safeguard its customers from attacks however possible. By leveraging its Next-Generation Firewall as sensors on the perimeter to detect malicious payloads and attack patterns, Unit 42 researchers are able to hunt down the menaces out there on the network, be they known or not. Unit 42 researchers have taken ...