Sudo Command Enumeration Detected

Last updated 5 months ago on 2025-03-20

Created 2 years ago on 2023-08-30

About

This rule monitors for the usage of the sudo -l command, which is used to list the allowed and forbidden commands for the invoking user. Attackers may execute this command to enumerate commands allowed to be executed with sudo permissions, potentially allowing to escalate privileges to root.

Tags

Domain: EndpointOS: LinuxUse Case: Threat DetectionTactic: DiscoveryData Source: Elastic DefendData Source: CrowdstrikeData Source: SentinelOneData Source: Elastic EndgameLanguage: eql

Severity

low

Risk Score

MITRE ATT&CK™

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

↳ System Owner/User Discovery (T1033)(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

endgame-*logs-crowdstrike.fdr*logs-endpoint.events.process*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 == "sudo" and process.args == "-l" and
  process.args_count == 2 and process.parent.name in ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish") and
  not process.args == "dpkg"

Install detection rules in Elastic Security

Detect Sudo Command Enumeration Detected 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).