Azure AD account unlock/password reset attempt

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

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 unlock their account or reset their Azure AD password.

Attacker's Goals

  • An attacker may switch a valid account's password for persistence.

Investigative actions

  • Check if the password reset is authorized.
  • Check whether the user who reset the password is permitted to perform such actions.
  • Check if the account is in the password reset group or is acting out of scope.
  • Check whether the user has not completed the password reset, and cancelled before successfully passing authentication methods.
  • Follow further actions or suspicious logins from the account.

Variations

Azure AD account unlock/successful password reset

Synopsis

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Valid Accounts (T1078)

Severity

Low

Description

An identity successfully reset or changed Azure AD password.

Attacker's Goals

  • An attacker may switch a valid account's password for persistence.

Investigative actions

  • Check if the password reset is authorized.
  • Check whether the user who reset the password is permitted to perform such actions.
  • Check if the account is in the password reset group or is acting out of scope.
  • Check whether the user has not completed the password reset, and cancelled before successfully passing authentication methods.
  • Follow further actions or suspicious logins from the account.