Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
1 Hour |
Deduplication Period |
1 Day |
Required Data |
|
Detection Modules |
Identity Analytics |
Detector Tags |
|
ATT&CK Tactic |
|
ATT&CK Technique |
Steal or Forge Kerberos Tickets: AS-REP Roasting (T1558.004) |
Severity |
Medium |
Description
A user enumerated all accounts that don't require pre-authentication in the organization and specifically requested tickets for those accounts. This is typically a sign of an AS-REP Roasting 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.