![]() In this blog, we will be highlighting some of the most common issues seen in on-premises Active Directory environments and provide guidance on how to secure those weaknesses. In addition to the Microsoft Incident Response custom tool, there are other tools, such as Defender for Identity, and open-source tools such as BloodHound and PingCastle, that you can use to secure Active Directory in your own environment.Īcross all industry verticals, Microsoft Incident Response often finds similar issues within Active Directory environments. Microsoft Incident Response uses this data to not only aid in the investigation, but also to shape attacker eviction and compromise recovery plans and to provide best practice recommendations on taking back and maintaining positive identity control. To aid in our investigations, Microsoft Incident Response leverages a custom-built Active Directory enumeration tool to retrieve metadata about users, groups, permissions, group policies and more. After total domain compromise, restoring trust back into Active Directory can take significant time and investment. Oftentimes, threat actors leverage freely available tools such as AdFind, AD Explorer, or BloodHound to find attack paths through Active Directory environments. Threat actors can use that account to discover misconfiguration and attack paths in Active Directory that lead to full domain control. ![]() Total domain compromise often starts with the compromise of a regular non-privileged user rather than a domain admin. ![]() In most of these engagements, threat actors have taken full control of Active Directory –i.e., total domain compromise. ![]() When Microsoft Incident Response (formerly DART/CRSP) is engaged during an incident, almost all environments include an on-premises Active Directory component. Total Identity Compromise: Microsoft Incident Response lessons on securing Active Directory ![]()
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