AMOS macOS Stealer
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OpenAI revokes Mac app certificate after Axios supply chain incident
OpenAI said a GitHub Actions workflow used to sign its Mac apps downloaded a malicious Axios package on March 31. The company is revoking the certificate, but said it found no evidence of data or system compromise.
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Atomic Stealer campaign abuses macOS Script Editor in ClickFix variation
A new macOS malware campaign is using Script Editor in a ClickFix-style attack to deliver Atomic Stealer, avoiding Terminal prompts and relying on fake Apple-themed pages that push users to run malicious code.
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Microsoft warns Python-based infostealers are targeting macOS via malvertising and fake installers
Microsoft warned in a technical analysis that Python-based infostealers have expanded to macOS since late 2025. Campaigns use malvertising, fake DMG installers, and fileless techniques to steal credentials and iCloud Keychain data.
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GlassWorm fourth wave targets macOS with trojanized crypto wallets in VS Code extensions
A fourth GlassWorm wave is targeting macOS developers with trojanized VS Code and OpenVSX extensions that steal credentials and attempt to replace hardware wallet apps. More than 33,000 installs were recorded.
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Jamf finds MacSync macOS stealer delivered in signed, notarized Swift installer
Jamf researchers found a MacSync macOS stealer variant delivered in a code-signed, notarized Swift installer inside a DMG that could bypass Gatekeeper; Apple revoked the signing certificate and analysis links the payload to the rebranded Mac.c infostealer with remote command-and-control capabilities.
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MacSync Stealer shifts to signed Swift dropper, removing need for terminal commands
MacSync Stealer operators now distribute a code-signed, notarized Swift dropper inside a disk image, removing the need for terminal interaction. The change has enabled rapid infections of macOS systems since mid-2025.
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Researchers find 10 typosquatted npm packages delivering cross‑platform credential stealer
Researchers reported a set of 10 typosquatted npm packages, uploaded on July 4, 2025 and downloaded over 9,900 times, that deploy an obfuscated, multi-stage information stealer which harvests credentials from browsers and system keyrings on Windows, Linux and macOS.
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Mac ad campaign impersonating brands pushes macOS credential stealer, LastPass warns
Security researchers warn of a malvertising campaign that uses search ads to impersonate LastPass and other services, delivering the Atomic Stealer/Amos Stealer on macOS via fraudulent GitHub pages; LastPass says takedowns are underway and IoCs are shared.
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VirusTotal flags 44 undetected SVGs in Colombian phishing campaign; hundreds of SVGs detected in the wild
VirusTotal has flagged a new malware campaign using 44 undetected SVG files to phish as Colombia’s Fiscalía General de la Nación, injecting a Base64-encoded HTML page and triggering a hidden ZIP download. Overall SVG detections in the wild have reached 523, with earliest samples dating to August 14, 2025.
