Elastic Security Detection Rules

Polkit Version Discovery

Last updated 9 days ago on 2025-01-22
Created 15 days ago on 2025-01-16

About

This rule detects Polkit version discovery activity on Linux systems. Polkit version discovery can be an indication of an attacker attempting to exploit misconfigurations or vulnerabilities in the Polkit service.
Tags
Domain: EndpointOS: LinuxUse Case: Threat DetectionTactic: DiscoveryData Source: Elastic DefendData Source: Elastic EndgameData Source: CrowdstrikeData Source: SentinelOneLanguage: 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.*endgame-*logs-crowdstrike.fdr*logs-sentinel_one_cloud_funnel.*
Related Integrations

endpoint(opens in a new tab or window)

crowdstrike(opens in a new tab or window)

sentinel_one_cloud_funnel(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", "start", "ProcessRollup2") and (
  (process.name == "dnf" and process.args == "dnf" and process.args == "info" and process.args == "polkit") or
  (process.name == "rpm" and process.args == "polkit") or
  (process.name == "apt" and process.args == "show" and process.args == "policykit-1") or
  (process.name == "pkaction" and process.args == "--version")
)

Install detection rules in Elastic Security

Detect Polkit Version Discovery 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).