Suspicious Get-ADDBAccount Usage

 1title: Suspicious Get-ADDBAccount Usage
 2id: b140afd9-474b-4072-958e-2ebb435abd68
 3status: test
 4description: Detects suspicious invocation of the Get-ADDBAccount script that reads from a ntds.dit file and may be used to get access to credentials without using any credential dumpers
 5references:
 6    - https://www.n00py.io/2022/03/manipulating-user-passwords-without-mimikatz/
 7    - https://github.com/MichaelGrafnetter/DSInternals/blob/7ba59c12ee9a1cb430d7dc186a3366842dd612c8/Documentation/PowerShell/Get-ADDBAccount.md
 8author: Florian Roth (Nextron Systems)
 9date: 2022/03/16
10tags:
11    - attack.credential_access
12    - attack.t1003.003
13logsource:
14    product: windows
15    category: ps_module
16    definition: 0ad03ef1-f21b-4a79-8ce8-e6900c54b65b
17detection:
18    selection:
19        Payload|contains|all:
20            - 'Get-ADDBAccount'
21            - 'BootKey '
22            - 'DatabasePath '
23    condition: selection
24falsepositives:
25    - Unknown
26level: high

References

• Manipulating User Passwords Without Mimikatz – n00py Blog

  

  There are two common reasons you may want to change a user’s password during a penetration test: You have their NT hash but not their plaintext password. Changing their password to a known plaintex...

  
  Read More

• DSInternals/Documentation/PowerShell/Get-ADDBAccount.md at 7ba59c12ee9a1cb430d7dc186a3366842dd612c8 · MichaelGrafnetter/DSInternals

  

  Directory Services Internals (DSInternals) PowerShell Module and Framework - MichaelGrafnetter/DSInternals

  
  Read More

Related rules

• NTDS.DIT Creation By Uncommon Parent Process
• NTDS Exfiltration Filename Patterns
• NTDS.DIT Creation By Uncommon Process
• VolumeShadowCopy Symlink Creation Via Mklink
• Copying Sensitive Files with Credential Data