IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elastic Security Solution [7.12] ›Detections and alerts ›Prebuilt rule reference

Nmap Process Activity

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Nmap Process Activity

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Nmap was executed on a Linux host. Nmap is a FOSS tool for network scanning and security testing. It can map and discover networks, and identify listening services and operating systems. It is sometimes used to gather information in support of exploitation, execution or lateral movement.

Rule type: query

Rule indices:

  • auditbeat-*
  • logs-endpoint.events.*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Host
  • Linux
  • Threat Detection

Version: 7 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.12.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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Security testing tools and frameworks may run Nmap in the course of security auditing. Some normal use of this command may originate from security engineers and network or server administrators. Use of nmap by ordinary users is uncommon.

Rule query

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event.category:process and event.type:(start or process_started) and
process.name:nmap

Rule version history

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Version 7 (7.12.0 release)
  • Formatting only
Version 6 (7.11.2 release)
  • Formatting only
Version 5 (7.10.0 release)
  • Formatting only
Version 4 (7.9.1 release)
  • Formatting only
Version 3 (7.9.0 release)

  • Updated query, changed from:

    process.name:nmap
Version 2 (7.7.0 release)

  • Updated query, changed from:

    process.name: nmap
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