IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

« Potential OpenSSH Backdoor Logging Activity Base16 or Base32 Encoding/Decoding Activity »

› ›

Attempt to Disable Syslog Service

edit

Attempt to Disable Syslog Service

edit

Adversaries may attempt to disable the syslog service in an attempt to an attempt to disrupt event logging and evade detection by security controls.

Rule type: query

Rule indices:

auditbeat-*
logs-endpoint.events.*
endgame-*

Severity: medium

Risk score: 47

Runs every: 5m

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

Maximum alerts per execution: 100

References: None

Tags:

Elastic
Host
Linux
Threat Detection
Defense Evasion
Elastic Endgame

Version: 102

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

edit

event.category:process and event.type:(start or process_started) and
  ((process.name:service and process.args:stop) or
     (process.name:chkconfig and process.args:off) or
     (process.name:systemctl and process.args:(disable or stop or kill)))
  and process.args:(syslog or rsyslog or "syslog-ng")

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Impair Defenses
- ID: T1562
- Reference URL: https://attack.mitre.org/techniques/T1562/
Sub-technique:
- Name: Disable or Modify Tools
- ID: T1562.001
- Reference URL: https://attack.mitre.org/techniques/T1562/001/

« Potential OpenSSH Backdoor Logging Activity Base16 or Base32 Encoding/Decoding Activity »