Malicious Ad for Homebrew Leads to MacSync Stealer, (Fri, May 1st)

2026-05-03T01:23:50Z07c9a614156ab11c5072b175fe7e1c34d20fb6a1d43d2e0ca6461a069556ace7
bitwarden-clicanistersprawlcheckmarx-kicscredential-stealercredential-thefthomebrewhoneypotlibredtailmacosmacsyncnpmpypireconnaissancesandclocksans_iscsecurity-podcastsupply-chainteampcpthreat-inteltrivyunc6780x-vercelxinference

What happened

SANS ISC diary feed (late Apr–May 2026) covering multiple security items: a malicious ad for Homebrew that distributes a macOS credential stealer dubbed “MacSync”; honeypot-observed reconnaissance and odd HTTP requests (including an X-Vercel-Set-Bypass-Cookie header); a guest diary warning about Libredtail; and a major TeamPCP supply-chain campaign update describing a 26-day pause ending with three concurrent compromises (Checkmarx KICS, Bitwarden CLI cascade, xinference PyPI) plus identification of a CanisterSprawl npm worm. The TeamPCP update references UNC6780 (Google GTIG designation) andS

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
sans_isc_diary
Record identifier
07c9a614156ab11c5072b175fe7e1c34d20fb6a1d43d2e0ca6461a069556ace7
Enrichment time
2026-05-03T01:23:50Z
AI-assisted enrichment
Yes

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