splunk-security_content/docs/_stories/suspicious_zoom_child_processes.md

title, last_modified_at, toc, toc_label, tags

title	last_modified_at	toc	toc_label	tags
Suspicious Zoom Child Processes	2020-04-13	true		Splunk Enterprise Splunk Enterprise Security Splunk Cloud Endpoint Actions on Objectives Exploitation

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Description

Attackers are using Zoom as an vector to increase privileges on a sytems. This story detects new child processes of zoom and provides investigative actions for this detection.

• Product: Splunk Enterprise, Splunk Enterprise Security, Splunk Cloud
• Datamodel: Endpoint
• Last Updated: 2020-04-13
• Author: David Dorsey, Splunk
• ID: aa3749a6-49c7-491e-a03f-4eaee5fe0258

Narrative

Zoom is a leader in modern enterprise video communications and its usage has increased dramatically with a large amount of the population under stay-at-home orders due to the COVID-19 pandemic. With increased usage has come increased scrutiny and several security flaws have been found with this application on both Windows and macOS systems.
Current detections focus on finding new child processes of this application on a per host basis. Investigative searches are included to gather information needed during an investigation.

Detections

Name	Technique	Type
Detect Prohibited Applications Spawning cmd exe	Command and Scripting Interpreter, Windows Command Shell	Hunting
First Time Seen Child Process of Zoom	Exploitation for Privilege Escalation	Anomaly

Reference

• https://blog.rapid7.com/2020/04/02/dispelling-zoom-bugbears-what-you-need-to-know-about-the-latest-zoom-vulnerabilities/
• https://threatpost.com/two-zoom-zero-day-flaws-uncovered/154337/

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