macOS infostealer malware, also tracked as Mac.c, that steals credentials, browser data and crypto wallets, spread via fake downloads and ClickFix lures.
Jamf Threat Labs says the Rust macOS stealer pastes itself in via Terminal, fakes an Installer password prompt, mutes the speakers, then hands the operator a headless clone of your logged-in profile.
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Hudson Rock and ADAMnetworks link the ads to an operation they call PasteSwitch, which hands Windows and macOS visitors different paste-this-command lures and swaps payloads on the backend depending on who arrives.
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Blackpoint says a fake Spotify MSI, launched through msiexec.exe, ends with a Node.js agent that reads its live C2 address off a Polygon contract. The same implant has also shipped as Zoom and Teams.
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Kaspersky says a new MacSync variant hides its payload commands in public iCloud calendar events and downloads the next stage from iCloud. Both the instructions and the download ride trusted Apple domains, past defenses that block known-bad hosts.
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Kaspersky says the macOS stealer it first tracked as Mac.c has swapped script droppers for FAT Mach-O binaries in a chain found in September 2026, and its loader now reads shell commands out of a public iCloud calendar file.
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Huntress and BleepingComputer describe sponsored ads that land on a real Claude Artifact page. The download link and the pasted curl command both reach elsewhere, so the trusted hostname never serves the payload.
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Huntress tracked nine months of malware campaigns run through shipped AI sharing features. Public Claude Artifacts, claude.ai/share links and indexable ChatGPT and Grok conversations all put the lure on a domain the victim already trusts.
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Microsoft says the campaign now delivers its payload through a command pasted into Terminal rather than a .dmg installer. The review step that mattered was tied to that older delivery method, and the attackers no longer need it.
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