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Atomic macOS (AMOS) Stealer Activity

Unit 42 details an August 2026 AMOS macOS stealer infection delivered via fake 'macOS toolkit' pages and Terminal paste commands, exfiltrating credentials to C2.

Unit 42 analyzed an AMOS (Atomic macOS Stealer) infection from August 5, 2026, initiated via a page at getmacouscloud[.]com instructing users to paste a command into Terminal. The command fetched a Zsh script from ferncore13[.]com that delivered a Mach-O installer to /tmp/helper and supporting files under /Library/Application Support/.com.apple.accountsd/ and .com.apple.metadata.mds/. AMOS collected browser data, credentials, cryptocurrency wallets (Binance, TonKeeper), Telegram data, and FileGrabber content such as AWS and gcloud files, uploading it via HTTP POST to C2 server 161.35.146[.]120. AMOS has been advertised on Telegram since April 2024 and distributed via ClickFix campaigns, malicious ads, and cracked-software sites.

Palo Alto Unit 42 · 10h agoMalware in the wild

Parallels Desktop Flaw Lets Non-Admin Mac Users Gain Root, but Intel Macs Can't Install Fix

JFrog disclosed CVE-2026-90894, a 7.8-rated local privilege escalation in Parallels Desktop for Mac, patched only in version 27, which Intel Macs cannot install.

JFrog researcher Yuval Moravchick disclosed CVE-2026-90894 (dubbed ParaShells, CVSS 7.8), a local privilege escalation in Parallels Desktop for Mac that lets non-admin users run code as root. The root-level prl_disp_service listens on a world-writable socket, and argument injection into a tar command via QProcess::splitCommand and the --use-compress-program option yields code execution as root, demonstrated on Parallels Desktop 26.4.0 build 57513 on Apple silicon. The fix appears in version 27.0.0, but Parallels Desktop 27 requires Apple silicon, leaving Intel Macs on the 26.x line with no build JFrog describes as fixed. No exploitation in the wild has been reported and Parallels has not published a statement.

The Hacker News · 6h agoVulnerability 4 sourcesCVE-2026-90894

Apple security advisory (AV26-930)new

CCCS relays Apple's September 14, 2026 security updates fixing vulnerabilities across iOS 27, macOS Tahoe 26.7, Sequoia 15.8, Safari, and other products.

The Canadian Centre for Cyber Security (AV26-930) notes that as of September 14, 2026, Apple has addressed vulnerabilities in iOS and iPadOS prior to 27, macOS Golden Gate prior to 27, macOS Tahoe prior to 26.7, macOS Sequoia prior to 15.8, plus tvOS, watchOS, visionOS 27, Safari, and Xcode prior to 27. The bulletin provides no CVE identifiers or exploitation details. Users and administrators are encouraged to review Apple's security releases and apply the updates.

Canadian Centre for Cyber Security · 28m agoAdvisory