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The public catalogue of detection rules. Every entry carries its source, the identifier it had there, its licence and its ATT&CK mapping.

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MediumElastic detection rules

Privilege Escalation via CAP_CHOWN/CAP_FOWNER Capabilities

Identifies instances where a processes (granted CAP_CHOWN and/or CAP_FOWNER capabilities) is executed, after which the ownership of a suspicious file or binary is changed. In Linux, the CAP_CHOWN capability allows a process to change the owner of a file, while CAP_FOWNER permits it to bypass permission checks on operations that require file ownership (like reading, writing, and executing). Attackers may abuse these capabilities to obtain unauthorized access to files.

ATT&CK coverage

Outside the enterprise matrix

T1068Exploitation for Privilege Escalation 131 detections cover this technique
T1222File and Directory Permissions Modification 24 detections cover this technique
T1222.002Linux and Mac Permissions 18 detections cover this technique
T1548Abuse Elevation Control Mechanism 109 detections cover this technique

Detection requirements

Log source category: event_index

Detection logic

Published to signed-in readers

The query as its source wrote it, its canonical form, and the content hash that pins this exact revision.

Provenance

Where this detection came from, and what you may do with it.

At source: Open at source
Written by: Elastic
Licence: Elastic License 2.0Read the licence
Published: Aug 27, 2026
Version: 1