Files
blue-team-tools/rules/windows/process_creation/proc_creation_win_reg_nolmhash.yml
T
Nasreddine Bencherchali 598d29f811 Merge PR #4950 from @nasbench - Comply With v2 Spec Changes
chore: change tags, date, modified fields to comply with v2 of the Sigma spec.
chore: update the related type from `obsoletes` to `obsolete`.
chore: update local json schema to the latest version.
2024-08-12 12:02:50 +02:00

33 lines
1.2 KiB
YAML

title: Enable LM Hash Storage - ProcCreation
id: 98dedfdd-8333-49d4-9f23-d7018cccae53
related:
- id: c420410f-c2d8-4010-856b-dffe21866437 # Registry
type: similar
status: test
description: |
Detects changes to the "NoLMHash" registry value in order to allow Windows to store LM Hashes.
By setting this registry value to "0" (DWORD), Windows will be allowed to store a LAN manager hash of your password in Active Directory and local SAM databases.
references:
- https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-347a
- https://learn.microsoft.com/en-us/troubleshoot/windows-server/windows-security/prevent-windows-store-lm-hash-password
- https://www.sans.org/blog/protecting-privileged-domain-accounts-lm-hashes-the-good-the-bad-and-the-ugly/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-12-15
modified: 2023-12-22
tags:
- attack.defense-evasion
- attack.t1112
logsource:
product: windows
category: process_creation
detection:
selection:
CommandLine|contains|all:
- '\System\CurrentControlSet\Control\Lsa'
- 'NoLMHash'
- ' 0'
condition: selection
falsepositives:
- Unknown
level: high