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A macOS information stealer sold as a criminal service and usually delivered by persuading the user to run a command or installer themselves.
No evidence-backed relationships are recorded.
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.
Reality
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.
Reality
Unit 42 followed the copy-paste instructions on Aug. 5, 2026, and watched one Zsh command install AMOS twice over and package a lab Mac's wallet folders and cloud credentials into a single zip.
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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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Huntress says a researcher targeted after Black Hat and Def Con was sent a Google Doc that rendered an Apps Script sidebar with ClickFix instructions. The lure arrived by DM, not email.
Reality