frack113
37 lines
1.0 KiB
YAML
37 lines
1.0 KiB
YAML
title: NetNTLM Downgrade Attack
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id: d3abac66-f11c-4ed0-8acb-50cc29c97eed
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related:
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- id: d67572a0-e2ec-45d6-b8db-c100d14b8ef2
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type: derived
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description: Detects NetNTLM downgrade attack
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status: experimental
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references:
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- https://www.optiv.com/blog/post-exploitation-using-netntlm-downgrade-attacks
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author: Florian Roth, wagga
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date: 2018/03/20
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modified: 2021/06/27
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tags:
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- attack.defense_evasion
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- attack.t1562.001
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- attack.t1112
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# Windows Security Eventlog: Process Creation with Full Command Line
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logsource:
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product: windows
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service: security
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definition: 'Requirements: Audit Policy : Object Access > Audit Registry (Success)'
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detection:
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selection:
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EventID: 4657
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ObjectName|contains|all:
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- '\REGISTRY\MACHINE\SYSTEM'
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- 'ControlSet'
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- '\Control\Lsa'
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ObjectValueName:
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- 'LmCompatibilityLevel'
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- 'NtlmMinClientSec'
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- 'RestrictSendingNTLMTraffic'
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condition: selection
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falsepositives:
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- Unknown
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level: critical
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