Tag: VMWare

There’s Something About Service Accounts

Service accounts are that gray area between regular user accounts and admin accounts that are often highly privileged. They are almost always over-privileged due to documented vendor requirements or because of operational challenges (“just make it work”). We can discover service accounts by looking for user accounts with Kerberos Service Principal Names (SPNs) which I …

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Building an Effective Active Directory Lab Environment for Testing

This post is not meant to describe the ultimate lab configuration. Instead the focus is on a lab environment that can be stood up quickly and easily as a learning tool. The best way to learn about computer networking and security is to have a home lab. The great thing is that a home lab …

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SPN Scanning – Service Discovery without Network Port Scanning

The best way to discover services in an Active Directory environment is through what I call “SPN Scanning.” The primary benefit of SPN scanning for an attacker over network port scanning is that SPN scanning doesn’t require connections to every IP on the network to check service ports. SPN scanning performs service discovery via LDAP …

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