An operation was performed by an identity from a domain that was not seen in the organization

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
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

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

External Remote Services (T1133)

Severity

Informational

Description

An operation was performed by an identity. This identity belongs to a domain that was not seen in the organization before.

Attacker's Goals

Gain their initial foothold within the organization and explore the environment to achieve their target.

Investigative actions

  • investigate the external domain name.
  • Check the cloud identity activity in the organization.

Variations

An operation was performed by an identity from a domain that was not seen in the tenant

Synopsis

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

External Remote Services (T1133)

Severity

Low

Description

An operation was performed by an identity. This identity belongs to a domain that was not seen in the organization before.

Attacker's Goals

Gain their initial foothold within the organization and explore the environment to achieve their target.

Investigative actions

  • investigate the external domain name.
  • Check the cloud identity activity in the organization.