Catalin CimpanuMicrosoft has taken down 73 of its own GitHub source code repositories after they were infected with a worm.
The repos appear to have been infected with Miasma, a variant of the Shai-Hulud worm.
The Blight Reaches Microsoft: 73 Repos Disabled in 105 Seconds
GitHub disabled 73 Microsoft repositories across four of its GitHub organizations — the entire Azure Functions org, the whole Durable Task family, and a row of AI sample apps — in a 105-second sweep on June 5. The recompromised durabletask package sits at the center, and the fingerprints point at the open-sourced Miasma worm.