Elastic Security Detection Rules

Suspicious Curl to Google App Script Endpoint

Last updated 12 days ago on 2026-01-30
Created 12 days ago on 2026-01-30

About

Detects the use of curl to a Google Script endpoint for the purpose of downloading a second stage payload or tool. Threat actors utilize exposed Google Script endpoints to host payloads as Google URLs are generally whitelisted and bypass security controls.
Tags
Domain: EndpointOS: macOSUse Case: Threat DetectionTactic: Command and ControlData Source: Elastic DefendLanguage: eql
Severity
high
Risk Score
73
MITRE ATT&CK™

Command and Control (TA0011)(external, opens in a new tab or window)

↳ Ingress Tool Transfer (T1105)(external, opens in a new tab or window)

↳ Web Service (T1102)(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.process-*logs-endpoint.events.network-*
Related Integrations

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

Query
text code block:
sequence by process.entity_id with maxspan=15s
  [process where host.os.type == "macos" and event.type == "start" and process.name in ("curl", "nscurl") and
    not process.Ext.effective_parent.executable like "/Library/Kandji/Kandji Agent.app/Contents/Helpers/Kandji Library Manager.app/Contents/MacOS/kandji-library-manager"]
  [network where host.os.type == "macos" and event.type == "start" and process.name in ("curl", "nscurl") and 
    destination.domain in ("script.google.com", "script.google.com.")]

Install detection rules in Elastic Security

Detect Suspicious Curl to Google App Script Endpoint 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).