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:
- Endgame Gear warns mouse config tool has been infected with malware
July 29, 2025
Gaming kit maker Endgame Gear has confirmed it was the victim of a supply chain attack which saw unidentified threat actors break into its website and replace a legitimate configuration tool with a trojanized version containing malware. In an announcement posted on the company’s website, it said on June 26 2025, someone managed to replace a ...
- Scattered Spider hackers are targeting US critical infrastructure via VMware attacks
July 28, 2025
The infamous ScatteredSpider ransomware group is using VMware instances to target critical infrastructure organizations in the US, researchers have warned. In the campaign, the hackers do not exploit any vulnerabilities, but instead go for “aggressive, creative, and particularly skilled” social engineering. They first reach out to their victim’s IT desk, impersonating an employee, and asking for ...
- Russia: Aeroflot cancels dozens of flights after hacker attack paralyzes IT systems
July 28, 2025
Russia’s Aeroflot airline has cancelled 49 round-trip flights to and from Moscow due to an IT system failure, the air carrier reported. The press service of the Prosecutor General’s Office of Russia said that the airline’s information systems were brought down by a hacker attack. The carrier warned of adjustments to its flight schedule, including delays ...
- NASCAR confirms user data breach following Medusa ransomware attack
July 28, 2025
NASCAR has confirmed it suffered a cyberattack and a data breach in April 2025 which saw personal information of racing fans allegedly stolen. The organization filed data breach reports with attorneys general in multiple US states, describing what had happened, and how it responded, noting the attack started on March 31, 2025, and was spotted – ...
- In-Depth Analysis of an Obfuscated Web Shell Script
July 26, 2025
This analysis is a follow-up to the investigation titled ‘Intrusion into Middle East Critical National Infrastructure’, conducted by the FortiGuard Incident Response Team (FGIR), which investigated a long-term cyber intrusion targeting critical national infrastructure (CNI) in the Middle East. The report revealed that threat actors had installed numerous web shell servers on the compromised system. In ...
- Allianz Life says ‘majority’ of customers’ personal data stolen in cyberattack
July 26, 2025
U.S. insurance giant Allianz Life has confirmed to TechCrunch that hackers stole the personal information of the “majority” of its customers, financial professionals, and employees during a mid-July data breach. When reached by TechCrunch, Allianz Life spokesperson Brett Weinberg confirmed the breach. “On July 16, 2025, a malicious threat actor gained access to a third-party, cloud-based ...