47 lines
1.4 KiB
YAML
47 lines
1.4 KiB
YAML
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title: LSASS Memory Dumping
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author: E.M. Anhaus (originally from Atomic Blue Detections, Tony Lambert), oscd.community
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date: 2019/10/24
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description: Detect creation of dump files containing the memory space of lsass.exe,
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which contains sensitive credentials. Identifies usage of Sysinternals procdump.exe
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to export the memory space of lsass.exe which contains sensitive credentials.
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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CommandLine: '*lsass*'
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SELECTION_3:
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CommandLine: '*.dmp*'
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SELECTION_4:
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Image: '*\werfault.exe'
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SELECTION_5:
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Image: '*\procdump*'
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SELECTION_6:
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Image: '*.exe'
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SELECTION_7:
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CommandLine: '*lsass*'
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condition: (SELECTION_1 and (((SELECTION_2 and SELECTION_3) and not (SELECTION_4))
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or (SELECTION_5 and SELECTION_6 and SELECTION_7)))
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falsepositives:
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- Unlikely
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fields:
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- ComputerName
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- User
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- CommandLine
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id: ffa6861c-4461-4f59-8a41-578c39f3f23e
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level: high
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logsource:
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category: process_creation
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product: windows
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modified: 2019/11/11
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references:
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- https://eqllib.readthedocs.io/en/latest/analytics/1e1ef6be-12fc-11e9-8d76-4d6bb837cda4.html
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- https://eqllib.readthedocs.io/en/latest/analytics/210b4ea4-12fc-11e9-8d76-4d6bb837cda4.html
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1003/T1003.md
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status: experimental
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tags:
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- attack.credential_access
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- attack.t1003.001
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- attack.t1003
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ruletype: SIGMA
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