Elastic Security Detection Rules

EggShell Backdoor Execution

Last updated 7 months ago on 2025-01-15
Created 5 years ago on 2021-01-12

About

Identifies the execution of and EggShell Backdoor. EggShell is a known post exploitation tool for macOS and Linux.
Tags
Domain: EndpointOS: LinuxOS: macOSUse Case: Threat DetectionTactic: ExecutionData Source: Elastic DefendLanguage: kuery
Severity
high
Risk Score
73
MITRE ATT&CK™

Execution (TA0002)(opens in a new tab or window)

↳ Command and Scripting Interpreter (T1059)(opens in a new tab or window)

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

Definition

Rule Type
Query (Kibana Query Language)
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:process and event.type:(process_started or start) and process.name:espl and process.args:eyJkZWJ1ZyI6*

Install detection rules in Elastic Security

Detect EggShell Backdoor 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(opens in a new tab or window).