Elastic Security Detection Rules

Unusual Windows Remote User

Last updated 19 days ago on 2025-01-17
Created 5 years ago on 2020-03-25

About

A machine learning job detected an unusual remote desktop protocol (RDP) username, which can indicate account takeover or credentialed persistence using compromised accounts. RDP attacks, such as BlueKeep, also tend to use unusual usernames.
Tags
Domain: EndpointOS: WindowsUse Case: Threat DetectionRule Type: MLRule Type: Machine LearningTactic: Initial Access
Severity
low
Risk Score
21
MITRE ATT&CK™

Initial Access (TA0001)(opens in a new tab or window)

↳ Valid Accounts (T1078)(opens in a new tab or window)

False Positive Examples
Uncommon username activity can be due to an engineer logging onto a server instance in order to perform manual troubleshooting or reconfiguration.
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 Windows Remote User 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).