Addition of SID History to Active Directory Object

 1title: Addition of SID History to Active Directory Object
 2id: 2632954e-db1c-49cb-9936-67d1ef1d17d2
 3status: stable
 4description: An attacker can use the SID history attribute to gain additional privileges.
 5references:
 6    - https://adsecurity.org/?p=1772
 7author: Thomas Patzke, @atc_project (improvements)
 8date: 2017-02-19
 9tags:
10    - attack.persistence
11    - attack.privilege-escalation
12    - attack.t1134.005
13logsource:
14    product: windows
15    service: security
16detection:
17    selection1:
18        EventID:
19            - 4765
20            - 4766
21    selection2:
22        EventID: 4738
23    selection3:
24        SidHistory:
25            - '-'
26            - '%%1793'
27    filter_null:
28        SidHistory:
29    condition: selection1 or (selection2 and not selection3 and not filter_null)
30falsepositives:
31    - Migration of an account into a new domain
32level: medium

References

• » Sneaky Active Directory Persistence #14: SID History » Active Directory Security

  

  The content in this post describes a method by which an attacker could persist administrative access to Active Directory after having Domain Admin level rights for 5 minutes. I presented on this AD...

  
  Read More

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