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GitHub disables Microsoft repos pushing password-stealing malware

ID: 89a625be-e6dc-5d93-8df3-9e3c94b87e71

STIX ID: report--89a625be-e6dc-5d93-8df3-9e3c94b87e71

Feed Name: Bleeping Computer

Threat Score
75/100

Date Published: 2026-06-09

Date Updated: 2026-06-09

Author: Bill Toulas

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Microsoft temporarily removed and later restored 73 GitHub repositories after they were identified as potentially distributing malicious content linked to the Miasma/Shai-Hulud supply-chain campaign. The compromise affected Azure-related repos (notably disabling an Azure Functions GitHub Action) and follows earlier malicious PyPI package uploads (durabletask 1.4.1–1.4.3); researchers tie the activity to a worm-like campaign that targeted developer tooling and open-source ecosystems, causing CI outages and prompting recommendations to lock dependencies and test updates in isolated environments.

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