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Explore published rules with transparent provenance, licensing, and ATT&CK mappings.

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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

File Creation in /var/log via Suspicious Process

This rule detects the creation of files in the /var/log/ directory via process executables located in world-writeable locations or via hidden processes. Attackers may attempt to hide their activities by creating files in the /var/log/ directory, which is commonly used for logging system events.

ATT&CK coverage

Execution

T1059Command and Scripting Interpreter450 detections cover this technique
- T1059.004Unix Shell 187 detections cover this technique

Stealth

T1070Indicator Removal 61 detections cover this technique
T1564Hide Artifacts46 detections cover this technique
- T1564.001Hidden Files and Directories 24 detections cover this technique

Defense Impairment

T1685Disable or Modify Tools
- T1685.006Clear Linux or Mac System LogsMapped as T1070.002, withdrawn by ATT&CK.4 detections cover this technique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