Elastic Security Detection Rules

Sudoers File Modification

Last updated 5 days ago on 2024-09-23
Created 4 years ago on 2020-04-13

About

A sudoers file specifies the commands that users or groups can run and from which terminals. Adversaries can take advantage of these configurations to execute commands as other users or spawn processes with higher privileges.
Tags
Domain: EndpointOS: LinuxOS: macOSUse Case: Threat DetectionTactic: Privilege EscalationData Source: Elastic Defend
Severity
medium
Risk Score
47
MITRE ATT&CK™

Privilege Escalation (TA0004)(opens in a new tab or window)

↳ Abuse Elevation Control Mechanism (T1548)(opens in a new tab or window)

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

Definition

Rule Type
New Terms Rule
Integration Pack
Prebuilt Security Detection Rules
Index Patterns
auditbeat-*logs-endpoint.events.*
Related Integrations

endpoint(opens in a new tab or window)

Query
event.category:file and event.type:change and file.path:(/etc/sudoers* or /private/etc/sudoers*) and
not process.name:(dpkg or platform-python or puppet or yum or dnf) and 
not process.executable:(/opt/chef/embedded/bin/ruby or /opt/puppetlabs/puppet/bin/ruby or /usr/bin/dockerd)

Install detection rules in Elastic Security

Detect Sudoers File Modification 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).