A disabled user attempted to log in

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:
    • XDR Agent

Detection Modules

Identity Analytics

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

Valid Accounts: Domain Accounts (T1078.002)

Severity

Informational

Description

A disabled user attempted to log in.

Attacker's Goals

Use an account that was possibly compromised in the past to gain access to the network.

Investigative actions

  • Confirm that the activity is benign (e.g. the user was recently enabled by an authorized entity).
  • Check whether you have issues with your Cloud Identity Engine failing to sync data from Active Directory.
  • Monitor services that may be running with a disabled user's credentials.

Variations

Cached interactive login attempt by a disabled user

Synopsis

ATT&CK Tactic

Initial Access (TA0001)

ATT&CK Technique

Valid Accounts: Domain Accounts (T1078.002)

Severity

Informational

Description

A disabled user attempted to log in.

Attacker's Goals

Use an account that was possibly compromised in the past to gain access to the network.

Investigative actions

  • Confirm that the activity is benign (e.g. the user was recently enabled by an authorized entity).
  • Check whether you have issues with your Cloud Identity Engine failing to sync data from Active Directory.
  • Monitor services that may be running with a disabled user's credentials.