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Excessive Sudo Authentication Failures via macOS Security Events

Identifies a high number of failed sudo password attempts on a macOS host within a short time window, using sudo messages collected by the Authentication data stream of the macOS Security Events integration. Repeated…

Description

Identifies a high number of failed sudo password attempts on a macOS host within a short time window, using sudo messages collected by the Authentication data stream of the macOS Security Events integration. Repeated sudo authentication failures may indicate an adversary with access to a low-privileged account attempting to guess an administrator password to escalate privileges.

Detection logic

Its licence does not clear it for publishing here

Sunturai publishes a detection's own text where the licence it arrived under has been reviewed and permits it, and Elastic License 2.0 has not. The query as its source wrote it, its canonical form and the hash that pins this revision are in the workspace record.

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Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

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