Unit 42 identified a campaign targeting government entities and state-affiliated infrastructure, with observed activity spanning from October 2025–April 2026. We track this activity as CL-UNK-1211.
In the operations we witnessed, the attackers relied on AI-generated payloads. Multiple artifacts deployed throughout the intrusion contained AI-made conversational annotations and developer reasoning comments, suggesting that the code was either generated using large language models (LLMs) or executed by an automated AI agent.
The attackers behind this cluster of activity focused on Linux environments to conduct extensive reconnaissance and maintain persistent network access to support intelligence-gathering. The attackers attempted to dump sensitive databases and exfiltrate government mailboxes to access social media accounts.
Read more…
Source: Palo Alto Unit 42
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Rise in XorDdos: A deeper look at the stealthy DDoS malware targeting Linux devices
May 19, 2022
In the last six months, we observed a 254% increase in activity from a Linux trojan called XorDdos. First discovered in 2014 by the research group MalwareMustDie, XorDdos was named after its denial-of-service-related activities on Linux endpoints and servers as well as its usage of XOR-based encryption for its communications. XorDdos depicts the trend of malware ...
- Bruised but Not Broken: The Resurgence of the Emotet Botnet Malware
May 19, 2022
The Emotet botnet malware is well known in the cybersecurity industry for its success in using spam emails to compromise machines and then selling access to these machines as part of its infamous malware-as-a-service (MaaS) scheme. Operators behind notorious threats such as the Trickbot trojan and the Ryuk or Conti ransomware are among the malicious ...
- Weaponization of Excel Add-Ins Part 2: Dridex Infection Chain Case Studies
May 19, 2022
In Part 1 of this two-part blog series, Unit 42 researchers discussed briefly how XLL files are exploited to deploy Agent Tesla. During December 2021, they continued to observe Dridex and Agent Tesla exploiting XLL in different ways for initial payload delivery. A more in-depth look at the Dridex infection chain follows. Threat actors behind Dridex ...
- Protecting Android users from 0-Day attacks
May 19, 2022
To protect our users, Google’s Threat Analysis Group (TAG) routinely hunts for 0-day vulnerabilities exploited in-the-wild. In 2021, we reported nine 0-days affecting Chrome, Android, Apple and Microsoft, leading to patches to protect users from these attacks. This blog is a follow up to our July 2021 post on four 0-day vulnerabilities we discovered in 2021, ...
- Threat Actors Chaining Unpatched VMware Vulnerabilities for Full System Control
May 18, 2022
The Cybersecurity and Infrastructure Security Agency (CISA) is releasing this Cybersecurity Advisory (CSA) to warn organizations that malicious cyber actors, likely advanced persistent threat (APT) actors, are exploiting CVE-2022-22954 and CVE-2022-22960 separately and in combination. These vulnerabilities affect certain versions of VMware Workspace ONE Access, VMware Identity Manager (vIDM), VMware vRealize Automation (vRA), VMware Cloud ...
- Hydra with Three Heads: BlackByte & The Future of Ransomware Subsidiary Groups
May 18, 2022
On February 13, 2022, a novel, lesser-known ransomware collective posted the alleged financial documents of the San Francisco 49ers football team on their underground site. The threat group, known as BlackByte, was widely credited with the orchestration of the attack—However, AdvIntel’s sensitive primary-source intelligence and factual data evidence (including IOCs) point to a different conclusion: ...