TGT request with a spoofed sAMAccountName - Network

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

3 Hours

Required Data

  • Requires:
    • XDR Agent

Detection Modules

Identity Analytics

ATT&CK Tactic

ATT&CK Technique

Severity

Medium

Description

A Kerberos authentication ticket (TGT) was requested for an account with a spoofed sAMAccountName.

Attacker's Goals

Elevate privileges from standard domain user to domain admin.

Investigative actions

  • Check if the domain controller is patched or vulnerable to the attack.
  • Look for associated sAMAccountName rename events.
  • Check if any associated service tickets were granted.
  • Follow actions by the account and if it performed a DCSync.