![]() ![]() Many groups are created for a specific service. ![]() The polices that are applied on a Domain are also dictated by the various group that exists. The group information helps the attacker to plan their way to the Administrator or elevated access. Since we performed enumeration on different users, it is only fair to extend this to various groups as well. In this specific demonstration, there are a bunch of users that include Administrator, yashika, aarti, raj, Pavan, etc. RID is a suffix of the long SID in a hexadecimal format. Upon running this on the rpcclient shell, it will extract the usernames with their RID. The name is derived from the enumeration of domain users. querydominfoÄȘnother command to use is the enumdomusers. There was a Forced Logging off on the Server and other important information. From the demonstration, it can be observed that the domain that is being enumerated is IGNITE. This command retrieves the domain, server, users on the system, and other relevant information. The next command that can be used via rpcclient is querydominfo. That narrows the version that the attacker might be looking at to Windows 10, Windows Server 2016, and Windows Server 2019. It can be observed that the os version seems to be 10.0. It can be used on the rpcclient shell that was generated to enumerate information about the server. One of the first enumeration commands to be demonstrated here is the srvinfo command. After establishing the connection, to get the grasp of various commands that can be used you can run the help. This can be done by providing the Username and Password followed by the target IP address of the server. To begin the enumeration, a connection needs to be established. However, for this particular demonstration, we are using rpcclient Logging and Server Information There are multiple methods to connect to a remote RPC service. During that time, the designers of the rpcclient might be clueless about the importance of this tool as a penetration testing tool. The rpcclient was designed to perform debugging and troubleshooting tasks on a Windows Samba configuration. rpcclient is a part of the Samba suite on Linux distributions. In general, the rpcclient can be used to connect to the SMB protocol as well. RPC is built on Microsoftâs COM and DCOM technologies. The child-parent relationship here can also be depicted as client and server relation. In this communication, the child process can make requests from a parent process. The RPC service works on the RPC protocols that form a low-level inter-process communication between different Applications. ![]() RPC or Remote Procedure Call is a service that helps establish and maintain communication between different Windows Applications. The article is focused on Red Teamers but Blue Teamers and Purple Teamers can also use these commands to test the security configurations they deployed. The tool that we will be using for all the enumerations and manipulations will be rpcclient. In this article, we are going to focus on the enumeration of the Domain through the SMB and RPC channels. ![]()
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