SigmaHQ/rules/windows/builtin/win_alert_enable_weak_encryption.yml
2018-01-28 02:36:39 +03:00

24 lines
886 B
YAML

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'
logsource:
product: windows
service: security
description: '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:
- 'DES'
- 'Preauth'
- 'Encrypted'
filters:
- 'Enabled'
condition: selection and keywords and filters
falsepositives:
- Unknown
level: high