Trust Direction: An Enabler for Active Directory Enumeration and Trust Exploitation

Trust Direction: An Enabler for Active Directory Enumeration and Trust Exploitation

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Understanding Active Directory (AD) Trusts

Active Directory (AD) Trusts have recently become a significant topic of discussion. In this blog entry, we will examine theoretical examples involving two distinct forest domains – Domain A and Domain B. Both Domain A and Domain B operate independently and are not part of the same AD forest.

Understanding Changes in Trust Relationships

However, the trust relationship will change in the context of the examples to help clarify the principle of trust direction. Some Background Info: In essence, AD Trusts establish the authentication mechanism between domains and/or forests. AD Trusts enable resources (such as security principals like users) in one domain to authenticate and access resources in another domain. It is crucial to understand that merely establishing a trust relationship between two domains does not automatically grant resources from a theoretical Domain A access to resources in a theoretical Domain B. Resources in Domain A must first be authorized (i.e., given permission) to access resources in theoretical Domain B.