User account delegation change

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 one of the following data sources:
    • Windows Event Collector
      OR
    • XDR Agent
  • Requires:
    • eXtended Threat Hunting (XTH)

Detection Modules

Identity Analytics

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Account Manipulation (T1098)

Severity

Informational

Description

A user account was modified with delegation to a service.

Attacker's Goals

An attacker may attempt to control an Active Directory environment.

Investigative actions

  • Verify this action with the user who performed the change.
  • Check if the account modified is a service account.
  • Follow actions by the user, including TGT and TGS requests.
  • Monitor for anomalous Kerberos activity.

Variations

User account delegation to KRBTGT

Synopsis

ATT&CK Tactic

Credential Access (TA0006)

ATT&CK Technique

Steal or Forge Kerberos Tickets (T1558)

Severity

High

Description

A user account was modified with delegation to the KRBTGT service.

Attacker's Goals

An attacker may attempt to control an Active Directory environment.

Investigative actions

  • Verify this action with the user who performed the change.
  • Check if the account modified is a service account.
  • Follow actions by the user, including TGT and TGS requests.
  • Monitor for anomalous Kerberos activity.


User account delegation to a DC

Synopsis

ATT&CK Tactic

Persistence (TA0003)

ATT&CK Technique

Account Manipulation (T1098)

Severity

Low

Description

A user account was modified with delegation to a service on a domain controller.

Attacker's Goals

An attacker may attempt to control an Active Directory environment.

Investigative actions

  • Verify this action with the user who performed the change.
  • Check if the account modified is a service account.
  • Follow actions by the user, including TGT and TGS requests.
  • Monitor for anomalous Kerberos activity.