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SMB 3.1: This version used in Windows Server 2016 and Windows 10.

Presently, the latest version of SMB is the SMB 3.1.1 which was introduced with Windows 10 and Windows Server 2016. This version supports AES 128 GCM encryption in addition to AES 128 CCM encryption added in SMB3, and implements pre-authentication integrity check using SHA-512 hash. SMB 3.1.1 also makes secure negotiation mandatory when connecting to clients using SMB 2.x and higher. The SMB protocol supports two levels of security. The server is protected at this level and each share has a password. The client computer or user has to enter the password to access data or files saved under the specific share.

This is the only security model available in the Core and Core plus SMG protocol definitions. User level protection was later added to the SMB protocol.

It is applied to individual files and each share is based on specific user access rights. Once a server authenticates the client, he/she is given a unique identification (UID) that is presented upon access to the server. The SMB protocol has supported individual security since LAN Manager 1.0 was implemented. We will start the enumeration of the SMB by finding the hostname of the target machine. It is designed to make use of queries for the NetBIOS names and then map them to their subsequent IP addresses in a network. All queries are done over UDP.Ġ0: Workstation Service (workstation name)Ģ0: File Service (also called Host Record)ġB: Domain Master Browser – Primary Domain Controller for a domainĠ0: Workstation Service (workgroup/domain name)ġE: Browser Service Elections nmblookup -A 192.168.1.17 The options allow the name queries to be directed at a particular IP broadcast area or to a particular machine. Here, we can see that we have enumerated the hostname to be DESKTOP-ATNONJ9. NBTscan is a program for scanning IP networks for NetBIOS name information. How to use nessus enum kali windows 8.1#.How to use nessus enum kali windows 10#.