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:
- Malicious PowerPoint Documents on the Rise
September 21, 2021
McAfee Labs have observed a new phishing campaign that utilizes macro capabilities available in Microsoft PowerPoint. In this campaign, the spam email comes with a PowerPoint file as an attachment. Upon opening the malicious attachment, the VBA macro executes to deliver variants of AgentTesla which is a well-known password stealer. These spam emails purport to be ...
- CISA: Sharing Information To Get Ahead Of Supply Chain Risks
September 21, 2021
The increase in digitization and use of information and communications technology (ICT) has improved ability of many companies to provide National Critical Functions. ICT enables access to real-time information, remote entry to networks, instant communication, and so much more. At the same time, nation-states seeking to cause harm to the United States (i.e., espionage or ...
- Water Basilisk Uses New HCrypt Variant to Flood Victims with RAT Payloads
September 20, 2021
A fileless campaign that used a new HCrypt variant to distribute numerous remote access trojans (RATs) in victim systems uses a newer obfuscation mechanism compared to what has been observed in past reports. It reached the peak of activity in the middle of August 2021. HCrypt is a crypter and multistage generator that is considered difficult ...
- VoIP.ms phone services disrupted by DDoS extortion attack
September 20, 2021
Threat actors are targeting voice-over-Internet provider VoIP.ms with a DDoS attack and extorting the company to stop the assault that’s severely disrupting the company’s operation. VoIP.ms is an Internet phone service company that provides affordable voice-over-IP service to businesses around the world. Read more… Source: Bleeping Computer
- Microsoft MSHTML Flaw Exploited by Ryuk Ransomware Gang
September 17, 2021
Criminals behind the Ryuk ransomware were early exploiters of the Windows MSHTML flaw, actively leveraging the bug in campaigns ahead of a patch released by Microsoft this week. Collaborative research by Microsoft and RiskIQ revealed campaigns by Ryuk threat actors early on that exploited the flaw, tracked as CVE-2021-40444. The bug is a remote code execution ...
- Numando banking Trojan abuses YouTube to manage remote settings
September 17, 2021
A banking Trojan has been detected that abuses YouTube, Pastebin, and other public platforms in order to spread and control compromised machines. On Friday, ESET wrapped up a series on banking Trojans present in Latin America — including Janeleiro, a new malware sample similar to Casbaneiro, Grandoreiro, and Mekotio — but this one does not just ...
