Elastic Security Detection Rules

Spike in host-based traffic

Last updated a month ago on 2026-04-01
Created a year ago on 2025-02-18

About

A machine learning job has detected a sudden spike in host based traffic. This can be due to a range of security issues, such as a compromised system, DDoS attacks, malware infections, privilege escalation, or data exfiltration.
Tags
Use Case: Threat DetectionRule Type: MLRule Type: Machine Learning
Severity
low
Risk Score
21
MITRE ATT&CK™

Exfiltration (TA0010)(external, opens in a new tab or window)

↳ Exfiltration Over C2 Channel (T1041)(external, opens in a new tab or window)

↳ Exfiltration Over Alternative Protocol (T1048)(external, opens in a new tab or window)

Impact (TA0040)(external, opens in a new tab or window)

↳ Network Denial of Service (T1498)(external, opens in a new tab or window)

↳ Endpoint Denial of Service (T1499)(external, opens in a new tab or window)

Execution (TA0002)(external, opens in a new tab or window)

↳ User Execution (T1204)(external, opens in a new tab or window)

Privilege Escalation (TA0004)(external, opens in a new tab or window)

↳ Exploitation for Privilege Escalation (T1068)(external, opens in a new tab or window)

Command and Control (TA0011)(external, opens in a new tab or window)

↳ Application Layer Protocol (T1071)(external, opens in a new tab or window)

Discovery (TA0007)(external, opens in a new tab or window)

↳ Network Service Discovery (T1046)(external, opens in a new tab or window)

False Positive Examples
System updates, scheduled backups, or misconfigured services may trigger this alert.
License
Elastic License v2(external, opens in a new tab or window)

Definition

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

endpoint(external, opens in a new tab or window)

Query
text code block:

Install detection rules in Elastic Security

Detect Spike in host-based traffic 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(external, opens in a new tab or window).