Malicious Ad for Homebrew Leads to MacSync Stealer, (Fri, May 1st)
2026-05-02T07:24:20Z•40fedbd8969a301d2f784c4cf2dbc8c25b97a6f20296e00600ee93775567c993
BitwardenCheckmarx KICSHomebrewMacSyncPyPISANDCLOCKTeamPCPTrivyUNC6780X-Vercel-Set-Bypass-CookiecanisterSprawlcredential stealerhoneypotlibredtailmacOSmalvertisingnpmreconnaissancesupply chain
What happened
The ISC Diary entries describe multiple active threats observed in late April–early May 2026: a malicious ad targeting Homebrew users that distributes a macOS credential stealer called MacSync; a resurgence of the TeamPCP supply-chain campaign with three concurrent compromises (affecting Checkmarx KICS, a Bitwarden CLI-related cascade, and xinference on PyPI), identification of a canisterSprawl npm worm, and continued credential-theft activity from operators designated UNC6780 (SANDCLOCK). The update references stolen Cisco source credentials, Trivy-linked credentials, and the lapsed CISA KEV/
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- sans_isc_diary
- Record identifier
- 40fedbd8969a301d2f784c4cf2dbc8c25b97a6f20296e00600ee93775567c993
- Enrichment time
- 2026-05-02T07:24:20Z
- AI-assisted enrichment
- Yes
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