Network Sniffing via Tcpdumpedit

The Tcpdump program ran on a Linux host. Tcpdump is a network monitoring or packet sniffing tool that can be used to capture insecure credentials or data in motion. Sniffing can also be used to discover details of network services as a prelude to lateral movement or defense evasion.

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


  • Elastic
  • Linux

Version: 2 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.7.0

Potential false positivesedit

Some normal use of this command may originate from server or network administrators engaged in network troubleshooting.

Rule queryedit and event.action:executed

Threat mappingedit


Rule version historyedit

Version 2 (7.7.0 release)

Updated query, changed from: tcpdump and event.action:executed