Elastic Security Detection Rules

Unusual Process For a Windows Host

Last updated 2 months ago on 2025-03-20
Created 5 years ago on 2020-03-25

About

Identifies rare processes that do not usually run on individual hosts, which can indicate execution of unauthorized services, malware, or persistence mechanisms. Processes are considered rare when they only run occasionally as compared with other processes running on the host.
Tags
Domain: EndpointOS: WindowsUse Case: Threat DetectionRule Type: MLRule Type: Machine LearningTactic: Persistence
Severity
low
Risk Score
21
MITRE ATT&CK™

Persistence (TA0003)(opens in a new tab or window)

↳ Create or Modify System Process (T1543)(opens in a new tab or window)

False Positive Examples
A newly installed program or one that runs rarely as part of a monthly or quarterly workflow could trigger this alert.
License
Elastic License v2(opens in a new tab or window)

Definition

Rule Type
Machine Learning
Integration Pack
Prebuilt Security Detection Rules
Related Integrations

endpoint(opens in a new tab or window)

windows(opens in a new tab or window)

Query

Install detection rules in Elastic Security

Detect Unusual Process For a Windows Host 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).