SMB (Server Message Block) is a protocol that allows resources on the same network to share files, browse the network, and print over the network. It was initially used on Windows, but Unix systems can use SMB through Samba. Today, we will be using a tool called Enum4linux to extract information from a target, as well as smbclient to connect to an SMB share and transfer files.
Enumeration is the process of gathering information on a target in order to find potential attack vectors and aid in exploitation. This process is essential for an attack to be successful, as wasting time with exploits that either don't work or can crash the system can be disastrous. Enumeration can be used to gather usernames, passwords, network information, hostnames, application data, services, or any other information that may be valuable to an attacker.
Typically, there are SMB share drives on a server that can be connected to and used to view or transfer files. SMB can often be a great starting point for an attacker looking to discover sensitive information — you'd be surprised what is sometimes included on these shares. In some rare situations, such as when the SMB share directory and the webserver root directory are the same, an attacker could even exploit the misconfiguration to achieve code execution.
In our example article here, we will be using
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