Elastic Security Detection Rules

Spike in Successful Logon Events from a Source IP

Last updated a year ago on 2024-06-18
Created 4 years ago on 2021-06-10

About

A machine learning job found an unusually large spike in successful authentication events from a particular source IP address. This can be due to password spraying, user enumeration or brute force activity.
Tags
Use Case: Identity and Access AuditUse Case: Threat DetectionRule Type: MLRule Type: Machine LearningTactic: Credential AccessTactic: Defense Evasion
Severity
low
Risk Score
21
MITRE ATT&CK™

Credential Access (TA0006)(opens in a new tab or window)

↳ Brute Force (T1110)(opens in a new tab or window)

Defense Evasion (TA0005)(opens in a new tab or window)

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

False Positive Examples
Build servers and CI systems can sometimes trigger this alert. Security test cycles that include brute force or password spraying activities may 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

auditd_manager(opens in a new tab or window)

endpoint(opens in a new tab or window)

system(opens in a new tab or window)

Query

Install detection rules in Elastic Security

Detect Spike in Successful Logon Events from a Source IP 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).