A user requested multiple service tickets

Synopsis

Field	Value
Activation Period	14 Days
Training Period	30 Days
Test Period	10 Minutes
Deduplication Period	1 Day
Required Data	Requires one of the following data sources: Windows Event Collector OR XDR Agent with eXtended Threat Hunting (XTH)
Detection Modules	Identity Analytics
ATT&CK Tactic	Credential Access (TA0006)
ATT&CK Technique	Steal or Forge Kerberos Tickets: Kerberoasting (T1558.003)
Severity	Informational

Description

A user requested multiple service tickets. 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

Abnormal issuance of service tickets to a user

Synopsis

Field	Value
ATT&CK Tactic	Credential Access (TA0006)
ATT&CK Technique	Steal or Forge Kerberos Tickets: Kerberoasting (T1558.003)
Severity	Low

Description

A user requested multiple service tickets. 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.