57 lines
1.5 KiB
YAML
57 lines
1.5 KiB
YAML
title: Discover Private Keys
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author: frack113
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date: 2021/07/20
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description: Adversaries may search for private key certificate files on compromised
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systems for insecurely stored credential
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_10:
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CommandLine: '*.pfx*'
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SELECTION_11:
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CommandLine: '*.cer*'
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SELECTION_12:
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CommandLine: '*.p7b*'
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SELECTION_13:
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CommandLine: '*.asc*'
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SELECTION_2:
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CommandLine: '*dir *'
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SELECTION_3:
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CommandLine: '*findstr *'
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SELECTION_4:
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CommandLine: '*.key*'
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SELECTION_5:
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CommandLine: '*.pgp*'
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SELECTION_6:
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CommandLine: '*.gpg*'
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SELECTION_7:
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CommandLine: '*.ppk*'
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SELECTION_8:
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CommandLine: '*.p12*'
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SELECTION_9:
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CommandLine: '*.pem*'
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condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3) and (SELECTION_4 or SELECTION_5
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or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10
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or SELECTION_11 or SELECTION_12 or SELECTION_13))
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falsepositives:
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- Unknown
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fields:
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- ComputerName
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- User
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- CommandLine
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- ParentCommandLine
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id: 213d6a77-3d55-4ce8-ba74-fcfef741974e
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level: medium
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logsource:
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category: process_creation
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product: windows
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references:
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1552.004/T1552.004.md
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status: experimental
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tags:
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- attack.credential_access
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- attack.t1552.004
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yml_filename: process_creation_discover_private_keys.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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