Possible Kerberoasting attack

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-10-08
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

1 Hour

Deduplication Period

1 Day

Required Data

  • Requires:

Detection Modules

Identity Analytics

Detector Tags

ATT&CK Tactic

Credential Access (TA0006)

ATT&CK Technique

Steal or Forge Kerberos Tickets: Kerberoasting (T1558.003)

Severity

Medium

Description

A user enumerated all service principals in the organization and specifically requested weak and deprecated encryption in a ticket request. This is typically a sign of a Kerberoasting attack.

Attacker's Goals

Crack account credentials by obtaining an easy-to-crack Kerberos ticket.

Investigative actions

Check who used the host at the time of the alert, to rule out a benign service or tool requesting weak Kerberos encryption.

Variations

Kerberoasting attack

Synopsis

ATT&CK Tactic

Credential Access (TA0006)

ATT&CK Technique

Steal or Forge Kerberos Tickets: Kerberoasting (T1558.003)

Severity

High

Description

A user enumerated all service principals in the organization and specifically requested weak and deprecated encryption in a ticket request. This is typically a sign of a Kerberoasting attack.

Attacker's Goals

Crack account credentials by obtaining an easy-to-crack Kerberos ticket.

Investigative actions

Check who used the host at the time of the alert, to rule out a benign service or tool requesting weak Kerberos encryption.