IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Attempt to Disable Syslog Service
editAttempt to Disable Syslog Service
editAdversaries 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.*
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
Tags:
- Elastic
- Host
- Linux
- Threat Detection
- Defense Evasion
Version: 7 (version history)
Added (Elastic Stack release): 7.8.0
Last modified (Elastic Stack release): 7.12.0
Rule authors: Elastic
Rule license: Elastic License v2
Rule query
editevent.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")
Threat mapping
editFramework: MITRE ATT&CKTM
-
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/
Rule version history
edit- Version 7 (7.12.0 release)
-
- Formatting only
- Version 6 (7.11.2 release)
-
- Formatting only
- Version 5 (7.11.0 release)
-
- Formatting only
- Version 4 (7.10.0 release)
-
- Formatting only
- Version 3 (7.9.1 release)
-
- Formatting only
- Version 2 (7.9.0 release)
-
-
Updated query, changed from:
event.action:(executed 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")
-