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Latest coverage for Threat Actor

Coverage of named threat actors and intrusion sets examines reported incidents, infrastructure, disruption, and defensive guidance.

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Coverage under this tag concerns a named threat actor or intrusion set: an individual, group, or organized operation assessed to be responsible for malicious cyber activity. Reports may describe incidents, malware, attack infrastructure, disruption efforts, or analyst assessments. Attribution is often provisional, so actor names and reported links should be treated as intelligence judgments rather than established identity, nationality, sponsorship, or motive.

For defenders, such reporting can help connect incidents and prioritize monitoring, but indicators and techniques may be reused or become obsolete. Validate reported infrastructure, hashes, and behaviors against local telemetry; use confirmed weaknesses to guide vulnerability remediation and access controls. If activity is suspected, preserve relevant logs and evidence, contain affected accounts or systems, and coordinate investigation without relying on an actor label alone.

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Trend Micro Research, News and Perspectives 3 weeks, 4 days ago

From Langflow to Monero: Inside CVE-2026-33017 Cryptominer

We tracked a cryptocurrency-mining campaign exploiting CVE-2026-33017, which revealed how threat actors are now scanning exposed AI application infrastructure for their next foothold.

Trend Micro Research, News and Perspectives 1 year, 1 month ago

Critical Langflow Vulnerability (CVE-2025-3248) Actively Exploited to Deliver Flodrix Botnet

This blog uncovers an active campaign exploiting CVE-2025-3248 in Langflow versions before 1.3.0 that deploys the Flodrix botnet, enabling threat actors to achieve full system compromise, initiate DDoS attacks, and potentially exfiltrate sensitive data.

Trend Micro Research, News and Perspectives 1 year, 3 months ago

A Deep Dive into Water Gamayun’s Arsenal and Infrastructure

Trend Research discusses the delivery methods, custom payloads, and techniques used by Water Gamayun, the suspected Russian threat actor abusing a zero-day vulnerability in the Microsoft Management Console framework (CVE-2025-26633) to execute malicious code on infected machines.

Trend Micro Research, News and Perspectives 1 year, 3 months ago

CVE-2025-26633: How Water Gamayun Weaponizes MUIPath using MSC EvilTwin

Trend Research identified Russian threat actor Water Gamayun exploiting CVE-2025-26633, a zero-day vulnerability in the Microsoft Management Console that attackers exploit to execute malicious code and exfiltrate data.

Trend Micro Research, News and Perspectives 2 years, 1 month ago

Decoding Water Sigbin's Latest Obfuscation Tricks

Water Sigbin (aka the 8220 Gang) exploited the Oracle WebLogic vulnerabilities CVE-2017-3506 and CVE-2023-21839 to deploy a cryptocurrency miner using a PowerShell script. The threat actor also adopted new techniques to conceal its activities, making attacks harder to defend against.

Trend Micro Research, News and Perspectives 2 years, 4 months ago

Threat Actor Groups, Including Black Basta, are Exploiting Recent ScreenConnect Vulnerabilities

This blog entry gives a detailed analysis of these recent ScreenConnect vulnerabilities. We also discuss our discovery of threat actor groups, including Black Basta and Bl00dy Ransomware gangs, that are actively exploiting CVE-2024-1708 and CVE-2024-1709 based on our telemetry.

In this blog entry, we discuss CVE-2023-22527, a vulnerability in Atlassian Confluence that has a CVSS score of 10 and could allow threat actors to perform remote code execution.