title: Weak Encryption Enabled and Kerberoast
description: Detects scenario where weak encryption is enabled for a user profile which could be used for hash/password cracking.
references:
    - https://adsecurity.org/?p=2053
    - https://www.harmj0y.net/blog/activedirectory/roasting-as-reps/
author: '@neu5ron'
tags:
    - attack.defense_evasion
    - attack.t1089
logsource:
    product: windows
    service: security
    definition: 'Requirements: Audit Policy : Account Management > Audit User Account Management, Group Policy : Computer Configuration\Windows Settings\Security Settings\Advanced Audit Policy Configuration\Audit Policies\Account Management\Audit User Account Management'
detection:
    selection:
        EventID: 4738
    keywords:
        Message:
        - '*DES*'
        - '*Preauth*'
        - '*Encrypted*'
    filters:
        Message:
            - '*Enabled*'
    condition: selection and keywords and filters
falsepositives: 
    - Unknown
level: high