The SIEM app is now a part of the Elastic Security solution. Click here to view the current documentation.
IMPORTANT: No additional bug fixes or documentation updates will be released for this version.
« Network Sniffing via Tcpdump Nping Process Activity »
Elastic Docs ›SIEM Guide [7.8] ›Detections (beta) ›Prebuilt rule reference

Nmap Process Activity

edit

Nmap Process Activity

edit

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-*

Severity: low

Risk score: 21

Runs every: 5 minutes

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

Maximum signals per execution: 100

References:

Tags:

  • Elastic
  • Linux

Version: 2 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.7.0

Potential false positives

edit

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

edit
process.name:nmap

Rule version history

edit
Version 2 (7.7.0 release)

Updated query, changed from: 

process.name: nmap
« Network Sniffing via Tcpdump Nping Process Activity »