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Potential Cluster Enumeration via jq Detected via Defend for Containers

This rule detects the enumeration of the cluster by the "jq" command inside a container. The "jq" command is used to parse JSON data, and may be used by an adversary to gain information about the cluster and the…

Description

This rule detects the enumeration of the cluster by the "jq" command inside a container. The "jq" command is used to parse JSON data, and may be used by an adversary to gain information about the cluster and the services running inside it. This behavior is uncommon within a container, and is commonly leveraged by attackers to help parse cluster information in a more readable format, or set the output as environment variables.

Detection logic

Its licence does not clear it for publishing here

Sunturai publishes a detection's own text where the licence it arrived under has been reviewed and permits it, and Elastic License 2.0 has not. The query as its source wrote it, its canonical form and the hash that pins this revision are in the workspace record.

Detection requirements

Platform
Containers

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
event_index

Known benign triggers

  • There is a potential for false positives if the "jq" command is used for legitimate purposes, such as debugging or troubleshooting. It is important to investigate any alerts generated by this rule to determine if they are indicative of malicious activity or part of legitimate container activity.

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