Trap Signals Execution

Last updated 19 days ago on 2025-12-24

Created 2 years ago on 2023-08-24

About

Identify activity related where adversaries can include a trap command which then allows programs and shells to specify commands that will be executed upon receiving interrupt signals.

Tags

Domain: EndpointOS: LinuxOS: macOSUse Case: Threat DetectionTactic: Privilege EscalationData Source: Elastic DefendData Source: Elastic EndgameData Source: Auditd ManagerLanguage: eql

Severity

low

Risk Score

MITRE ATT&CK™

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

↳ Event Triggered Execution (T1546)(external, opens in a new tab or window)

License

Elastic License v2(external, 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-*auditbeat-*logs-auditd_manager.auditd-*

Related Integrations

endpoint(external, opens in a new tab or window)

auditd_manager(external, opens in a new tab or window)

Query

✄𐘗text code block:
✄𐘗process where event.type == "start" and event.action in ("exec", "exec_event", "executed", "process_started") and
process.name == "trap" and process.args : "SIG*"

Install detection rules in Elastic Security

Detect Trap Signals Execution 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(external, opens in a new tab or window).