Researchers at Rapid7 say that they have spotted what they believe was an Iranian intelligence cyber unit masquerading as the Chaos ransomware gang to hide a state-sponsored espionage operation.
The intrusion was spotted earlier this year, and investigators say breadcrumbs left behind give them “medium confidence” in saying it was the work of MuddyWater, which has been linked to intrusions affecting Western government and banking networks in recent months. Attackers began with a Microsoft Teams phishing campaign, which is not uncommon. They also encouraged targets to share their screens. Again, it was nothing too out of the ordinary.
Read more…
Source: Rapid7
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- ‘Unprecedented’ number of Apple users received recent spyware alert, say investigators
August 17, 2026
An unprecedented number of Apple customers have reported receiving a recent threat notification alerting them to suspected spyware attacks targeting their devices, according to experts who investigate these types of incidents. Several people publicly and privately reported receiving Apple’s spyware alerts over the weekend, after Apple sent out a new wave of notifications on Friday alerting customers in ...
- Operation ASTERIX: Anatomy of a Crypto Fraud Pipeline
August 17, 2026
Rapid7 researchers identified an exposed web directory on infrastructure used to support a cryptocurrency fraud operation. The server contained raw phone-number datasets, account-validation tools, enriched lead records, phishing panels, voice-dialing scripts, fake wallet applications, persistence mechanisms, and Telegram exfiltration code. Among the artifacts was evidence that the operator relied on AI coding assistants throughout the ...
- ChainDrop worm crawls into npm supply chain, evades standard defenses
August 15, 2026
A new variant of the Shai-Hulud npm worm has poisoned hundreds of packages while adding propagation techniques that can leave little trace in the corresponding source repositories. In Frank Herbert’s Dune, Shai-Hulud was the name of the giant self-sustaining desert sandworms that moved silently beneath the surface of the planet Arrakis. So it made sense that when ...
- Researchers find ultimate Windows kill switch which can disable antivirus with almost no user interaction
August 14, 2026
Microsoft has recently fixed a vulnerability that allowed threat actors to bypass advanced security measures, disable antivirus software, and expose the target device to full system takeover. All of this, it seems, could have been possible with a very simple script, and a single click from the victim’s side. Luckily, the vulnerability was discovered by white hat hackers, ...
- APT group HoneyMyte upgrades CoolClient
August 14, 2026
CoolClient is a backdoor family attributed to the HoneyMyte APT group (also known as Mustang Panda) that has been used in their cyber-espionage campaigns targeting organizations across Asia and Russia. It supports such capabilities as keylogging, clipboard theft, credential harvesting, file management, system reconnaissance, and plugin-based extensions. Since its first public disclosure by Sophos in 2022 and subsequent ...
- New Android malware lets criminals use your bank card in real time
August 13, 2026
Researchers at Group-IB have discovered a new NFC relay malware family, purpose-built to capture live card data via NFC and forward it in real time to attackers. They dubbed it “WindRelay.” NFC (Near Field Communication) is wireless technology that allows devices such as smartphones, payment cards, and payment terminals to communicate when they’re very close together. So, ...