Unusual user-agent for a cloud identity

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2026-03-10
Category
Analytics Alert Reference
Index by
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

5 Days

Required Data

  • Requires one of the following data sources:
    • AWS Audit Log
      OR
    • Azure Audit Log
      OR
    • Gcp Audit Log

Detection Modules

Cloud

Detector Tags

ATT&CK Tactic

ATT&CK Technique

Valid Accounts: Cloud Accounts (T1078.004)

Severity

Informational

Description

A cloud identity has executed an API call with an unusual user-agent.

Attacker's Goals

Evade detection by using non-standard tools or scripts.

Investigative actions

  • Examine the recent actions of the user for any abnormal or unauthorized behavior.
  • Verify if the user intentionally used a new device or tool.

Variations

Unusual user-agent for a cloud identity by a compromised AWS access key

Synopsis

ATT&CK Tactic

ATT&CK Technique

Valid Accounts: Cloud Accounts (T1078.004)

Severity

Medium

Description

A cloud identity has executed an API call with an unusual user-agent.

Attacker's Goals

Evade detection by using non-standard tools or scripts.

Investigative actions

  • Examine the recent actions of the user for any abnormal or unauthorized behavior.
  • Verify if the user intentionally used a new device or tool.