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* Checked all rules against Mordor and EVTX samples datasets * Added field names * Some severity adjustments * Fixes
38 lines
1.3 KiB
YAML
38 lines
1.3 KiB
YAML
title: LSASS Memory Dumping
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id: ffa6861c-4461-4f59-8a41-578c39f3f23e
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description: Detect creation of dump files containing the memory space of lsass.exe, 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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status: experimental
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author: E.M. Anhaus (orignally from Atomic Blue Detections, Tony Lambert), oscd.community
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date: 2019/10/24
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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.yaml
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tags:
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- attack.credential_access
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- attack.t1003
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logsource:
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category: process_creation
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product: windows
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detection:
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selection1:
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CommandLine|contains|all:
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- 'lsass'
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- '.dmp'
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selection2:
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Image|endswith: '\werfault.exe'
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selection3:
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Image|contains: '\procdump'
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Image|endswith: '.exe'
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CommandLine|contains: 'lsass'
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condition: selection1 and not selection2 or selection3
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fields:
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- ComputerName
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- User
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- CommandLine
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falsepositives:
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- Unlikely
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level: high
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