A newer version is available. For the latest information, see the current release documentation.
« Svchost spawning Cmd System Shells via Services »
Elastic Docs ›Elastic Security Solution [7.17] ›Detections and alerts ›Prebuilt rule reference

System Log File Deletion

edit

System Log File Deletion

edit

Identifies the deletion of sensitive Linux system logs. This may indicate an attempt to evade detection or destroy forensic evidence on a system.

Rule type: eql

Rule indices:

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

Severity: medium

Risk score: 47

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
  • Defense Evasion

Version: 3 (version history)

Added (Elastic Stack release): 7.11.0

Last modified (Elastic Stack release): 7.12.0

Rule authors: Elastic

Rule license: Elastic License v2

Rule query

edit
file where event.type == "deletion" and file.path : (
"/var/run/utmp", "/var/log/wtmp", "/var/log/btmp",
"/var/log/lastlog", "/var/log/faillog", "/var/log/syslog",
"/var/log/messages", "/var/log/secure", "/var/log/auth.log"
)

Threat mapping

edit

Framework: MITRE ATT&CKTM

Rule version history

edit
Version 3 (7.12.0 release)
  • Formatting only
Version 2 (7.11.2 release)
  • Formatting only
« Svchost spawning Cmd System Shells via Services »