Elastic Security Detection Rules

Linux System Information Discovery via Getconf

Last updated a month ago on 2025-10-17
Created 10 months ago on 2025-01-07

About

This rule identifies Linux system information discovery via the `getconf` command. The `getconf` command is used to query system configuration variables and system limits. Adversaries may use this command to gather information about the system, such as the page size, maximum number of open files, and other system limits, to aid in further exploration and exploitation of the system.
Tags
Domain: EndpointOS: LinuxUse Case: Threat DetectionTactic: DiscoveryRule Type: BBRData Source: Elastic DefendData Source: Elastic EndgameData Source: Auditd ManagerData Source: CrowdstrikeLanguage: eql
Severity
low
Risk Score
21
MITRE ATT&CK™

Discovery (TA0007)(opens in a new tab or window)

↳ System Information Discovery (T1082)(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
logs-endpoint.events.process*endgame-*auditbeat-*logs-auditd_manager.auditd-*logs-crowdstrike.fdr*
Related Integrations

endpoint(opens in a new tab or window)

auditd_manager(opens in a new tab or window)

crowdstrike(opens in a new tab or window)

Query
process where host.os.type == "linux" and event.type == "start" and event.action in ("exec", "exec_event", "executed", "process_started", "ProcessRollup2") and
process.name == "getconf"

Install detection rules in Elastic Security

Detect Linux System Information Discovery via Getconf 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).