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:
- Thai-Swiss-US Operation Nets Hackers Behind 1,000+ Cyber Attacks
February 10, 2025
Thai police arrested four European hackers in Phuket who allegedly stole $16 million through ransomware attacks affecting over 1,000 victims worldwide. The suspects, wanted by Swiss and US authorities, were caught in coordinated raids across four locations. Officers from Cyber Crime Investigation Bureau, led by Police Lieutenant General Trairong Phiwphan, conducted “Operation PHOBOS AETOR” in Phuket ...
- 20 million OpenAI accounts offered for sale
February 7, 2025
A cybercriminal acting under the moniker “emirking” offered 20 million OpenAI user login credentials this week, sharing what appeared to be samples of the stolen data itself. A translation of the Russian statement by the poster says: “When I realized that OpenAI might have to verify accounts in bulk, I understood that my password wouldn’t stay ...
- Engineer IMI becomes latest British firm to be hit by cyber attack
February 6, 2025
Engineering group IMI confirmed it had been hit by a cyber attack just a week after rival Smiths Group said hackers had gained access to its global systems. Birmingham-headquartered IMI declined to disclose what data had been accessed in the attack, but systems in a number of its locations globally are understood to have been hit. IMI ...
- Router maker Zyxel tells customers to replace vulnerable hardware exploited by hackers
February 5, 2025
Taiwanese hardware maker Zyxel says it has no plans to release a patch for two actively exploited vulnerabilities affecting potentially thousands of customers. Threat intelligence startup GreyNoise warned late last month that a critical-rated zero-day vulnerability impacting Zyxel routers was being actively exploited. GreyNoise said the flaws allow attackers to execute arbitrary commands on affected devices, ...
- Analyzing ELF/Sshdinjector.A!tr with a Human and Artificial Analyst
February 4, 2025
ELF/Sshdinjector.A!tr is a collection of malware that can be injected into the SSH daemon. Samples of this malware collection surfaced around mid-November 2024. While Fortinet researchers have a good amount of threat intelligence on them (e.g., they are attributed to the DaggerFly espionage group and were used during the Lunar Peek campaign against network appliances), nobody ...
- CVE-2025-0411: Ukrainian Organizations Targeted in Zero-Day Campaign and Homoglyph Attacks
February 4, 2025
In September, 2024 the Zero Day Initiative (ZDI) Threat Hunting team identified the exploitation of a 7-Zip zero-day vulnerability used in a SmokeLoader malware campaign targeting Ukrainian entities. The vulnerability, CVE-2025-0411, was disclosed to 7-Zip creator Igor Pavlov, leading to the release of a patch in version 24.09 on November 30, 2024. CVE-2025-0411 allows the bypassing ...