Attempt to Disable Syslog Service

Last updated 2 months ago on 2024-09-23

Created 5 years ago on 2020-04-27

About

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

Tags

Domain: EndpointOS: LinuxUse Case: Threat DetectionTactic: Defense EvasionData Source: Elastic EndgameData Source: Elastic Defend

Severity

medium

Risk Score

MITRE ATT&CK™

Defense Evasion (TA0005)(opens in a new tab or window)

↳ Impair Defenses (T1562)(opens in a new tab or window)

License

Elastic License v2(opens in a new tab or window)

Definition

Rule Type: Event Correlation Rule
Integration Pack: Prebuilt Security Detection Rules
Index Patterns: auditbeat-*logs-endpoint.events.*endgame-*
Related Integrations: endpoint(opens in a new tab or window)
Query

process where host.os.type == "linux" and event.action in ("exec", "exec_event") and
 ( (process.name == "service" and process.args == "stop") or
   (process.name == "chkconfig" and process.args == "off") or
   (process.name == "systemctl" and process.args in ("disable", "stop", "kill"))
 ) and process.args in ("syslog", "rsyslog", "syslog-ng")

Install detection rules in Elastic Security

Detect Attempt to Disable Syslog Service in the Elastic Security detection engine by installing this rule into your Elastic Stack.

To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).