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Potential Privilege Escalation via unshare Followed by Root Process

Detects a short sequence where a non-root user performs unshare-related namespace activity (often associated with user namespace privilege escalation primitives) and then a root process is executed shortly after.…

Description

Detects a short sequence where a non-root user performs unshare-related namespace activity (often associated with user namespace privilege escalation primitives) and then a root process is executed shortly after. This can indicate a successful local privilege escalation attempt or suspicious namespace manipulation captured in Auditd Manager telemetry.

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
ContainersLinuxmacOSWindows

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

Log source category
event_index

Known benign triggers

  • Legitimate sandboxing, container tooling, or maintenance scripts may use unshare and spawn privileged helpers under controlled workflows. Baseline approved tools and tune by host role, parent process, or user accounts.

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