- Wireshark tutorial session hijacking 2016 code#
- Wireshark tutorial session hijacking 2016 series#
- Wireshark tutorial session hijacking 2016 windows#
You can try it for yourself using the following Wireshark filter: ((smb2) || (wkssvc)|| (dcerpc) || (smb)) & !( = 0x001401fc) What privileges are required?
Wireshark tutorial session hijacking 2016 windows#
This last part fails with a low-privileged user on newer Windows as we’ll see below. When we attempt to execute an RPC call via the pipe.When we attempt to open the wkssvc pipe.
Interact using the Workstation Service Remote Protocol, call NetWkstaUserEnumĪuthorization is performed at three different places in this trace:. Bind to the wkssvc interface with UUID 6BFFD098-A112-3610-9833-46C3F87E345A using RPC over SMB. 
Open the wkssvc named pipe (this is similar to opening a file with that name). Establish an SMB connection to the remote host (Kerberos authentication). In our example above, only two entries would be kept by SharpHound: Wireshark traceĪ Wireshark trace of a successful SharpHound call allows us to highlight the steps involved: Any logon domain containing a whitespace (to ignore “NT Authority” and similar). SharpHound is filtering out the following: Some of the entries in the above screenshot are not useful to us. The function lists all (interactive, service and batch) logons, their logon domains and logon servers. To show the information returned by this function, we can use the NetWkstaUserEnum.ps1 PowerShell script by Will Schroeder: Then, it uses the Workstation Service Remote Protocol (RPC over SMB on port 445). This works by connecting to a named pipe \PIPE\wkssvc, which is exposed via the IPC$ (inter-process communication) SMB share. When using the LoggedOn collection method, SharpHound enumerates logged on users by using the NetWkstaUserEnum function. We will cover the two first in this post and the last one in the next blog post. There are three methods how SharpHound acquires this data: SharpHound will try to enumerate this information and BloodHound displays it with a HasSession Edge. Information that proves to be useful during penetration tests is “Who is logged in on which system?”. Session Enumeration Through Remote Registry & Summary (to be published May 25th). User Rights Enumeration Through SAMR and GPOLocalGroup. In this article, we’ll cover session enumeration through NetWkstaUserEnum & NetSessionEnum. Wireshark tutorial session hijacking 2016 series#
In this series of articles, we deep dive into the enumeration methods of SharpHound and their limitations. Microsoft hardened their systems over time through updates, which makes enumeration of Active Directory (AD) objects and relationships harder than it used to be a couple of years ago.
Wireshark tutorial session hijacking 2016 code#
However, it is not always clear how the data is gathered without looking at the code of SharpHound, the data ingestor for BloodHound. BloodHound is the way to go to for finding attack paths in an Active Directory (AD) environment.
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