Presently, the latest version of SMB is the SMB 3.1.1 which was introduced with Windows 10 and Windows Server 2016. Up to this point in this series on Metasploit, we have been getting familiar with the various aspects of this tool, but now we will get to the best part, exploitation of another system! When I first load a module, the first thing I typically do is check it's "info". In our next blog post, we will talk about how to apply our custom resource script on Metasploit Pro’s Task Chains to automatically find SMB services that are exploitable to some of the publicly-known high-profile attacks. 1. If it comes back with "failed to load module", you have not properly loaded the EternalBlue module. When combined with DCE/RPC, SMB can even give you remote control of a Windows machine over a network. Determine what users exist via brute force SID lookups. This means that when someone on the network attempts to access the SMB server, their system will need to present their credentials in terms of their domain password hash. Presently, the latest version of SMB is the, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window). they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. The spirit of db_autopwn lives on in Metasploit Pro, however—but better. If you loaded this module properly from part 7 of this series, you should see a prompt like that above. SMBUser no The username to authenticate as For us, since we want to try to do this on a real network, we dual boot the Linux instead of installing it on a virtual machine. ● Set the custom TCP port range to 445. His works include researching new ways for both offensive and defensive security and has done illustrious research on computer Security, exploiting Linux and windows, wireless security, computer forensic, securing and exploiting web applications, penetration testing of networks. no The Windows domain to use for authentication The first is the share level. Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. 192.168.[0–254].[0–254]). If we are patient, this may be the best strategy. Eventually, the Metasploit team removed db_autopwn. To verify that we are now on the Windows system, let's type "dir" to see whether it displays Windows files and directories. This way, we have direct access to our network interface (Wi-Fi). In Hacking, Ports and Protocols play a major role as hacking is not possible without them. Protecting SMB is a serious business, but it can be difficult and time-consuming. From the given picture above, the target is exploitable to MS17–010, which mean we can use EternalBlue to hack into it. The SMB protocol has supported individual security since LAN Manager 1.0 was implemented. Then, we have to find the appropriate exploit from the huge library that Metasploit have. Add “send dhcp-requested-address xx.xx.xx.xx;” to the end of the file, where xx.xx.xx.xx is your requested IP. The step we took is as follows: And if the DHCP server doesn’t response you back with a lease time, that means that the DHCP server can’t provide you with that IP. It can log on as the user "\" and connect to IPC$. It can also communicate with any server program that is set up to receive an SMB client request. We can start it by entering: Now that we have loaded this module, let's take a look at the options we need to set to use this module. Let’s go ahead and create the password audit for SMB. The hard part of this process is not the hacking part, but actually the gathering information part. It is used by many pentester (and the not so good one) to identify the vulnerable devices on a network. Now, to work with the SMB protocol, let us understand it. It comes in two version This is for our academic purpose only. https://support.microsoft.com/en-us/help/3034016/ipc-share-and-null-session-behavior-in-windows. Let’s start by typing the script above to the nmap command box (We will be using the GUI version of Nmap, also known as Zenmap, for this guide, because it’s easier to look at). The next step is we set the rhost, which is the IP address of the target. This means that when someone on the network attempts to access the SMB server, their system will need to present their credentials in terms of their domain password hash. Notice, I have highlighted the JOHNPWFILE option above. We need to go to the /root directory to find the saved hash files. Metasploit Basics, Part 8: Exploitation with EternalBlue, Once you have the "msf >" prompt, you are ready to start exploiting your target system. Hacking Articles. Unlike some of our other Metasploit attacks, this one is neither an exploit or payload, but rather an auxiliary module. Here is a brief overview of the version of Windows SMB: As we mentioned before, in this article we will more focus about EternalBlue, one of the exploit which utilizes the bug inside SMB protocol. Just keep in mind that the time password testing takes to complete will depend on a number of variables, including: ● The number of accounts to try SMB, stands for Server Message Block (in modern language is also known as Common Internet File System or CIFS), uses port 445 to operate as an application-layer network protocol, primarily used for offering shared access to files, printers, serial ports, and other sorts of communications between nodes on a network. To see which options we have with this exploit and payload combination, enter; As you can see, there are numerous options, but the only options we need to set are LHOST (our IP) and the RHOST (the target IP). The server is protected at this level and each share has a password. You signed in with another tab or window. We could send the target an embedded UNC path, and when they click on it, we can grab their domain credentials.
2020 metasploit smb server