Group Policy objects are critical for managing Windows Server infrastructure. To avoid severe service issues, administrators must configure GPOs carefully and be prepared to revert any changes quickly by backing them up before modifying them.
Abusing a gMSA is relatively simple conceptually. First, get its password using a tool like Mimikatz or by querying it directly due to insecure configurations in Active Directory. Since gMSAs are service accounts, they’re usually relatively privileged, so you’ll usually be able to move laterally or escalate. Let’s walk through an example scenario.
Digest Authentication is a challenge/response protocol that was primarily used in Windows Server 2003 for LDAP and web-based authentication. It utilizes Hypertext Transfer Protocol (HTTP) and Simple Authentication Security Layer (SASL) exchanges to authenticate. At a high level, a client requests access to something, the authenticating server challenges the client, and the client responds to the challenge by encrypting its response with a key derived from the password.
When your web browser accesses a website, it needs to first translate the friendly URL (such as Netwrix.com) to the public server IP address of the server that hosts that website. This is known as a DNS lookup. Traditional DNS is unencrypted, unlike modern HTTPS web traffic that’s almost entirely secured via HTTPS these days.
