598d29f811
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.
33 lines
1.2 KiB
YAML
33 lines
1.2 KiB
YAML
title: Enable LM Hash Storage - ProcCreation
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id: 98dedfdd-8333-49d4-9f23-d7018cccae53
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related:
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- id: c420410f-c2d8-4010-856b-dffe21866437 # Registry
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type: similar
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status: test
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description: |
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Detects changes to the "NoLMHash" registry value in order to allow Windows to store LM Hashes.
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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.
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references:
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- https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-347a
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- https://learn.microsoft.com/en-us/troubleshoot/windows-server/windows-security/prevent-windows-store-lm-hash-password
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- https://www.sans.org/blog/protecting-privileged-domain-accounts-lm-hashes-the-good-the-bad-and-the-ugly/
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author: Nasreddine Bencherchali (Nextron Systems)
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date: 2023-12-15
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modified: 2023-12-22
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tags:
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- attack.defense-evasion
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- attack.t1112
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logsource:
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product: windows
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category: process_creation
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detection:
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selection:
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CommandLine|contains|all:
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- '\System\CurrentControlSet\Control\Lsa'
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- 'NoLMHash'
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- ' 0'
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condition: selection
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falsepositives:
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- Unknown
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level: high
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