Protected Storage Service Access

 1title: Protected Storage Service Access
 2id: 45545954-4016-43c6-855e-eae8f1c369dc
 3status: test
 4description: Detects access to a protected_storage service over the network. Potential abuse of DPAPI to extract domain backup keys from Domain Controllers
 5references:
 6    - https://threathunterplaybook.com/hunts/windows/190620-DomainDPAPIBackupKeyExtraction/notebook.html
 7author: Roberto Rodriguez @Cyb3rWard0g
 8date: 2019-08-10
 9modified: 2021-11-27
10tags:
11    - attack.lateral-movement
12    - attack.t1021.002
13logsource:
14    product: windows
15    service: security
16detection:
17    selection:
18        EventID: 5145
19        ShareName|contains: 'IPC'
20        RelativeTargetName: 'protected_storage'
21    condition: selection
22falsepositives:
23    - Unknown
24level: high

References

• Domain DPAPI Backup Key Extraction — Threat Hunter Playbook

  Analytics A few initial ideas to explore your data and validate your detection logic: Analytic I Monitor for any SecretObject with the string BCKUPKEY in the ObjectName. Data source Event Provider ...

  
  Read More

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