From the course: Penetration Testing and Ethical Hacking
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NetBIOS enumeration and SNMP enumeration
From the course: Penetration Testing and Ethical Hacking
NetBIOS enumeration and SNMP enumeration
- [Instructor] NetBIOS enumeration. NetBIOS stands for Network Basic Input and Output System. So basically, it's a program that allows communication between different applications running on different systems within an area network. NetBIOS uses a unique 16-ASCII character strength to identify network devices over TCP. The initial 15 characters are used for identifying the device. The 16th character is used for identifying the service. Now NetBIOS runs on TCP port 139 and other services related to TC, excuse me, NetBIOS runs on the following ports: 137 does the name services. 138 is datagram services, and of course, 139 is the session services. These are all NetBIOS. You want to put these in your notes to remember these for your exam. So using NetBIOS enumeration, basically what an attacker can find out, they can find out and list the machines on a network, group information, passwords, policies, file sharing, printer sharing, the devices on a network that's running on NetBIOS. So all…
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