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refactor(rules): Improve Registry access to SAM database rule #699

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refactor(rules): Improve Registry access to SAM database rule #699

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9 changes: 4 additions & 5 deletions rules/credential_access_registry_access_to_sam_database.yml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name: Registry access to SAM database
id: 2f326557-0291-4eb1-a87a-7a17b7d941cb
version: 2.0.2
version: 2.0.3
description:
Identifies access to the Security Account Manager registry hives.
labels:
Expand All @@ -21,14 +21,13 @@ condition: >
maxspan 10m
by ps.uuid
|spawn_process and
not (ps.parent.exe imatches
ps.parent.exe not imatches
(
'?:\\Program Files\\*.exe',
'?:\\Program Files (x86)\\*.exe',
'?:\\Windows\\System32\\svchost.exe'
)
) and
not (ps.cmdline imatches '"?:\\Windows\\Microsoft.NET\\Framework\\*\\ngen.exe" ExecuteQueuedItems /LegacyServiceBehavior') and
) and
not (ps.exe imatches '?:\\Windows\\Microsoft.NET\\Framework\\*\\ngen.exe' and ps.cmdline icontains 'ExecuteQueuedItems /LegacyServiceBehavior') and
not (ps.exe imatches '?:\\WINDOWS\\system32\\wevtutil.exe' and ps.parent.exe imatches '?:\\ProgramData\\Microsoft\\Windows Defender\\*\\MsMpEng.exe')
|
|open_registry and
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