title: Weak Encryption Enabled and Kerberoast
id: f6de9536-0441-4b3f-a646-f4e00f300ffd
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'
date: 2017/07/30
tags:
    - attack.defense_evasion
    - attack.t1089          # an old one
    - attack.t1562.001
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|contains:
            - 'DES'
            - 'Preauth'
            - 'Encrypted'
    filters:
        Message|contains:
            - 'Enabled'
    condition: selection and keywords and filters
falsepositives:
    - Unknown
level: high