A previously undocumented macOS infostealer has surfaced during our routine threat hunting. Malwarebytes Labs researchers initially tracked it as NukeChain, but shortly before publication, the malware’s operator panel became publicly visible, revealing its real name: Infiniti Stealer.
This malware is designed to steal sensitive data from Macs. It spreads through a fake CAPTCHA page that tricks users into running a command themselves: a technique known as ClickFix. Instead of exploiting a bug, it relies on social engineering. The final payload is written in Python and compiled with Nuitka, producing a native macOS binary. That makes it harder to analyze and detect than typical Python-based malware. To our knowledge, this is the first documented macOS campaign combining ClickFix delivery with a Nuitka-compiled Python stealer.
Read more…
Source: Malwarebytes Labs
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Hugging Face confirms breach affected internal datasets and credentials
July 20, 2026
Hugging Face, a platform that hosts AI models and datasets, said its internal datasets and service credentials were compromised in a hack last week. The company disclosed the breach on Friday, but said it was still investigating whether any customer or partner data was stolen during the incident. In a blog post, the company said a dataset uploaded ...
- Ernst & Young reveals data breach following hack on support system
July 20, 2026
Ernst & Young (EY) has confirmed suffering a cyberattack in which it lost sensitive customer information, including tax data. In a data breach notification letter sent to affected individuals, the firm said that on April 23, 2026, it spotted “anomalous activity” within a third-party platform its IT team uses. This is an IT service management platform ...
- HOLLOWGRAPH: Turning Microsoft 365 Calendars into Covert Command-and-Control Channels
July 20, 2026
The Group-IB Threat Intelligence team has identified HOLLOWGRAPH, a new malware sample that we attribute, with high confidence, to the Cavern backdoor framework. This malware is one component of a larger toolkit, and it uses the Microsoft Graph API through a compromised Microsoft 365 account observed in Israel to communicate with its operators — a technique ...
- Healthcare giant Abbott probes two cyber incidents amid extortion claims
July 20, 2026
Abbott Laboratories, one of the world’s largest healthcare and medical device companies, is investigating two apparently unrelated cyber incidents after confirming unauthorized access to internal systems. While Abbott says there has been no impact on manufacturing, laboratory operations, or patient care, cybercriminal groups ShinyHunters and ShadowByt3$ claim the breaches were far more extensive. Those claims ...
- Three Steps to the Terminal: A Siemens ROX II Zero-Day Trilogy
July 17, 2026
Palo Alto Unit 42 conducted this research in close partnership with Siemens, reflecting their shared commitment to advancing the security and resilience of critical infrastructure. This report details a critical, chained exploit comprising three zero-day vulnerabilities (CVE-2025-40948, CVE-2025-40947, and CVE-2025-40949) discovered in Siemens ROX II operational technology (OT) switches. Successful exploitation of this chain would allow ...
- Shark vacuum flaw exposes cameras, home maps and Wi-Fi passwords
July 17, 2026
Shark’s cloud-connected robot vacuums are currently exposed by an unpatched AWS (Amazon Web Services) IoT (Internet of Things) policy flaw that could turn one compromised device into a remote-control skeleton key for many others in the same region, with access to cameras, maps, and Wi‑Fi passwords. A researcher using the handle tokay0 took apart a Shark RV2320EDUS robot vacuum and ...