Security News

Geacon, a Go-based implementation of the beacon from the widely abused penetration testing suite Cobalt Strike, is being used more and more to target macOS devices. Both Geacon and Cobalt Strike are utilities that legitimate organizations use to simulate attacks against their networks and improve defenses, but threat actors have also relied on them for attacks.

A Golang implementation of Cobalt Strike called Geacon is likely to garner the attention of threat actors looking to target Apple macOS systems. Geacon is a Go variant of Cobalt Strike that has been available on GitHub since February 2020.

Threat actors are advertising a new information stealer for the Apple macOS operating system called Atomic macOS Stealer on Telegram for $1,000 per month, joining the likes of MacStealer. "The Atomic macOS Stealer can steal various types of information from the victim's machine, including Keychain passwords, complete system information, files from the desktop and documents folder, and even the macOS password," Cyble researchers said in a technical report.

A new macOS information-stealing malware named 'Atomic' is being sold to cybercriminals via private Telegram channels for a subscription of $1,000 per month. For this hefty price, buyers get a DMG file containing a 64-bit Go-based malware designed to target macOS systems and steal keychain passwords, files from the local filesystem, passwords, cookies, and credit cards stored in browsers.

A financially-motivated North Korean threat actor is suspected to be behind a new Apple macOS malware strain called RustBucket. The Apple device management company attributed it to a threat actor known as BlueNoroff, a subgroup within the infamous Lazarus cluster that's also tracked under the monikers APT28, Nickel Gladstone, Sapphire Sleet, Stardust Chollima, and TA444.

Threat actors behind the LockBit ransomware operation have developed new artifacts that can encrypt files on devices running Apple's macOS operating system.The development, which was reported by the MalwareHunterTeam over the weekend, appears to be the first time a big-game ransomware crew has created a macOS-based payload. Additional samples identified by vx-underground show that the macOS variant has been available since November 11, 2022, and has managed to evade detection by anti-malware engines until now.

Apple rolled out patches on Good Friday to its iOS, iPadOS, and macOS operating systems and the Safari web browser to address vulnerabilities found by Google and Amnesty International that were exploited in the wild. The updates are to iOS 16.4.1, iPadOS 16.4.1, Safari 16.4.1, and macOS 13.3.1.

Apple on Friday released security updates for iOS, iPadOS, macOS, and Safari web browser to address a pair of zero-day flaws that are being exploited in the wild. Apple said it addressed CVE-2023-28205 with improved memory management and the second with better input validation, adding it's aware the bugs "May have been actively exploited."

A new info-stealing malware named MacStealer is targeting Mac users, stealing their credentials stored in the iCloud KeyChain and web browsers, cryptocurrency wallets, and potentially sensitive files. MacStealer is being distributed as a malware-as-a-service, where the developer sells premade builds for $100, allowing purchasers to spread the malware in their campaigns.

A new information-stealing malware has set its sights on Apple's macOS operating system to siphon sensitive information from compromised devices. First advertised on online hacking forums at the start of the month, it is still a work in progress, with the malware authors planning to add features to capture data from Apple's Safari browser and the Notes app.