Suspicious docker image download from an unusual repository

Cortex XDR Analytics Alert Reference by Alert name

Product

Cortex XDR

Last date published

2024-09-24

Activation Period	14 Days
Training Period	30 Days
Test Period	N/A (single event)
Deduplication Period	1 Day
Required Data	Requires: XDR Agent
Detection Modules
Detector Tags	Kubernetes - AGENT, Containers
ATT&CK Tactic	Execution (TA0002)
ATT&CK Technique	User Execution: Malicious Image (T1204.003)
Severity	Informational

The agent has pulled a docker image from a repository for the first time.

Adversaries may rely on a user running a malicious image to facilitate execution.

ATT&CK Tactic	Execution (TA0002)
ATT&CK Technique	User Execution: Malicious Image (T1204.003)
Severity	Low

The agent has pulled a docker image from a registry that has never been used in the organization.

Adversaries may rely on a user running a malicious image to facilitate execution.

ATT&CK Tactic	Execution (TA0002)
ATT&CK Technique	User Execution: Malicious Image (T1204.003)
Severity	Low

The agent has pulled a docker image from a repository that has never been used in the organization.

Adversaries may rely on a user running a malicious image to facilitate execution.