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Suspicious File Made Executable via Chmod Inside A Container

This rule detects when chmod or chown are used to add the execute permission to a file in a world-writeable directory, and inside of a container. Modifying file permissions to make a file executable could indicate…

Description

This rule detects when chmod or chown are used to add the execute permission to a file in a world-writeable directory, and inside of a container. Modifying file permissions to make a file executable could indicate malicious activity, as an attacker may attempt to run unauthorized or malicious code inside the container.

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 3 ATT&CK techniques it maps to.

Log source category
event_index

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