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Elastic Docs ›SIEM Guide [7.6] ›Detections (Beta) ›Prebuilt rule reference

Unusual Process Execution - Temp

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Unusual Process Execution - Temp

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Identifies processes running in a temporary folder. This is sometimes done by adversaries to hide malware.

Rule indices:

  • auditbeat-*

Severity: medium

Risk score: 47

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum signals per execution: 100

Tags:

  • Elastic
  • Linux

Rule version: 1

Added (Elastic Stack release): 7.6.0

Potential false positives

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Build systems, like Jenkins, may start processes in the /tmp directory. These can be exempted by name or by username.

Rule query

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process.working_directory: /tmp and event.action:executed
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