Shifts in the Underground: The Impact of Water Kurita’s (Lumma Stealer) Doxxing


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:

  • Improving Your Security Posture with the Pipeline Cybersecurity Initiative

    January 19, 2021

    A few years ago, I worked alongside some oil commodity traders. Environmental concerns aside, I never realized how many parts were required to get the oil out of the ground, not to mention everything else that finally resulted in the production of refined products that surround our lives. As a cybersecurity professional, I was more ...

  • VPNFilter Two Years Later: Routers Still Compromised

    January 19, 2021

    With the internet of things (IoT) gaining more popularity, common IoT devices such as routers, printers, cameras, and network-attached storage (NAS) devices, are becoming more frequent targets for cybercriminals. Unlike typical operating systems such as Windows and macOS, users are less likely to patch IoT devices. This is because users find the task more difficult and ...

  • Malwarebytes says SolarWinds hackers accessed its internal emails

    January 19, 2021

    Cybersecurity firm Malwarebytes today confirmed that the threat actor behind the SolarWinds supply-chain attack were able to gain access to some company emails. “While Malwarebytes does not use SolarWinds, we, like many other companies were recently targeted by the same threat actor,” Malwarebytes CEO and co-founder Marcin Kleczynski said. “We can confirm the existence of another intrusion ...

  • DNSpooq bugs let attackers hijack DNS on millions of devices

    January 19, 2021

    Israel-based security consultancy firm JSOF disclosed today seven Dnsmasq vulnerabilities, collectively known as DNSpooq, that can be exploited to launch DNS cache poisoning, remote code execution, and denial-of-service attacks against millions of affected devices. Dnsmasq is a popular and open-source Domain Name System (DNS) forwarding software regularly used that adds DNS caching and Dynamic Host Configuration ...

  • U.S. National Cybersecurity Plan Promises to Safeguard Maritime Sector

    January 18, 2021

    The U.S Government released on January 5, 2021, a cybersecurity plan to secure the nation’s maritime sector against cybersecurity threats that could endanger national security. The Maritime Cyber Environment With International Maritime Organization’s (IMO) mandate “to ensure that cyber risks are appropriately addressed in existing safety management systems” and the increasing number of cyber-attacks against maritime and ...

  • FBI warns of vishing attacks stealing corporate accounts

    January 18, 2021

    The Federal Bureau of Investigation (FBI) has issued a notification warning of ongoing vishing attacks attempting to steal corporate accounts and credentials for network access and privilege escalation from US and international-based employees. Vishing (also known as voice phishing) is a social engineering attack where attackers impersonate a trusted entity during a voice call to persuade ...