Authentication method added to an Azure account

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-18
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Day

Required Data

  • Requires:
    • AzureAD Audit Log

Detection Modules

Identity Threat Module

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Valid Accounts (T1078)

Severity

Informational

Description

An identity attempted to add an Azure authentication method.

Attacker's Goals

  • An attacker can add an authentication method to an account, so they can have later access to the tenant and resources.

Investigative actions

  • Check if the authentication method is legitimate in the organization.
  • Check whether the identity is permitted to perform such actions.
  • Follow the account for possible suspicious or unusual logins.

Variations

Suspicious authentication method addition to Azure account

Synopsis

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Valid Accounts (T1078)

Severity

Low

Description

An identity added an Azure authentication method.

Attacker's Goals

  • An attacker can add an authentication method to an account, so they can have later access to the tenant and resources.

Investigative actions

  • Check if the authentication method is legitimate in the organization.
  • Check whether the identity is permitted to perform such actions.
  • Follow the account for possible suspicious or unusual logins.