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fix(rule): Improve Hidden local account creation rule #431

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Merged
rabbitstack merged 1 commit into from
Mar 10, 2025
Merged

fix(rule): Improve Hidden local account creation rule #431

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2 changes: 1 addition & 1 deletion rules/macros/macros.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@
expr: kevt.name = 'RegCreateKey' and registry.status = 'Success'

- macro: modify_registry
expr: (set_value or create_key)
expr: ((set_value) or (create_key))

- macro: send_socket
expr: kevt.name = 'Send'
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6 changes: 3 additions & 3 deletions rules/persistence_hidden_local_account_creation.yml
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Expand Up @@ -17,10 +17,10 @@ labels:
subtechnique.ref: https://attack.mitre.org/techniques/T1136/001/

condition: >
set_value and registry.path imatches
modify_registry and registry.path imatches
(
'HKEY_LOCAL_MACHINE\\SAM\\SAM\\Domains\\Account\\Users\\Names\\*$\\',
'HKEY_LOCAL_MACHINE\\SAM\\SAM\\Domains\\Account\\Users\\*$\\'
'HKEY_LOCAL_MACHINE\\SAM\\SAM\\Domains\\Account\\Users\\Names\\*$',
'HKEY_LOCAL_MACHINE\\SAM\\SAM\\Domains\\Account\\Users\\*$'
)

severity: high
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