SID-History Injection

The Windows security identifier (SID) is a unique value that identifies a user or group account. SIDs are used by Windows security in both security descriptors and access tokens. ¹ An account can hold additional SIDs in the SID-History Active Directory attribute ², allowing inter-operable account migration between domains (e.g., all values in SID-History are included in access tokens). Adversaries may use this mechanism for privilege escalation. With Domain Administrator (or equivalent) rights, harvested or well-known SID values ³ may be inserted into SID-History to enable impersonation of arbitrary users/groups such as Enterprise Administrators. This manipulation may result in elevated access to local resources and/or access to otherwise inaccessible domains via lateral movement techniques such as Remote Services, Windows Admin Shares, or Windows Remote Management.

1. Microsoft SID
2. Microsoft SID-History Attribute
3. Microsoft Well Known SIDs Jun 2017

使用该技术的组织

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断言

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