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Views: 10 Overview Users Machines Security Groups Security Group Description Domain Admins Full control over the domain. Server Operators Can manage Domain Controllers but not admin groups. Backup Operators Can access any file for backup purposes. Account Operators Can create/modify user accounts. Domain Users Includes all user accounts. Domain Computers Includes all machines in the … Read more
Views: 181Game Of Active Directory The following steps explain the procedure to setup the GOADv2 LAB environment to pentest Active Directory. Warning This lab is extremely vulnerable, do not reuse recipe to build your environment and do not deploy this environment on internet without isolation (this is a recommendation, use it as your own risk). This … Read more
Views: 26Ransomware operators have been increasingly targeting Active Directory as a key part of their attack paths. The Conti Ransomware which has been used in more than 400 attacks around the world has been shown to leverage recent critical Active Directory flaws such as PrintNightmare (CVE-2021-34527) and Zerologon (CVE-2020-1472) to escalate privileges and move laterally in a target network.
Views: 50Active Directory (AD) is used by approximately 90% of the Global Fortune 1000 companies. If an organisation’s estate uses Microsoft Windows, you are almost guaranteed to find AD. Microsoft AD is the dominant suite used to manage Windows domain networks. However, since AD is used for Identity and Access Management of the entire estate, … Read more
Views: 18Kerberos Authentication krbtgt account -→ KDC Service Account Ticket Details Authorization Data is Microsoft addition to Kerberos; can be manipulated to modify Group membership..etc and launch attacks. Domian Policy about Kerberos settings (default): The Authentication Service (AS) exchange ([RFC4120] section 3.1):<1> The Ticket-Granting Service (TGS) exchange ([RFC4120] section 3.3): The Client/Server Authentication Protocol (AP) exchange ([RFC4120] section … Read more
Views: 216up-to-date version of PowerView: New function naming schema: Verbs: Get : retrieve full raw data sets Find : ‘find’ specific data entries in a data set Add : add a new object to a destination Set : modify a given object Invoke : lazy catch-all Nouns: Verb-Domain* : indicates that LDAP/.NET querying methods are … Read more
Views: 23Kerberos Kerberos is the default authentication service for Microsoft Windows domains. It is intended to be more “secure” than NTLM by using third party ticket authorization as well as stronger encryption. Even though NTLM has a lot more attack vectors to choose from Kerberos still has a handful of underlying vulnerabilities just like NTLM … Read more
