Create Potential_MSRPRN_Printer_Bug_Exploitation.yaml

[Vasileios Paschalidis (vpaschalidis)]

This query detects potential attempts to remotely access to the print spooler service on Active Directory Domain Controllers which could indicate an exploitation of MS-RPRN printer bug from a server that is configured with unconstrained delegation.
This query searches for the event id 5145 on Domain Controllers where the ShareName is "\*\IPC$", the RelativeTargetName is "spoolss" and the source IP address belongs to an unconstrained delegation server.
Ref: https://docs.microsoft.com/en-us/windows/security/threat-protection/auditing/event-5145

Before submitting this PR please ensure that you have read the following sections and then completed the template below:

Thank you for your contribution to the Microsoft Sentinel Github repo.

The code should have been tested in a Microsoft Sentinel environment that does not have any custom parsers, functions or tables, so that you validate no incorrect syntax and execution functions properly.

Details of the code changes in your submitted PR. Providing descriptions for pull requests ensures, there is context to changes being made and greatly enhances the code review process. Providing associated Issues that this resolves also easily connects the reason.

Change(s):

• Updated syntax for Potential_MSRPRN_Printer_Bug_Exploitation.yaml

Reason for Change(s):

• New schema used for Potential_MSRPRN_Printer_Bug_Exploitation.yaml
• Resolves ISSUE Add Logstash required version to Readme file #1234

After the submission has been made, please look at the Validation Checks:

Check that the validations are passing and address any issues that are present. Let us know if you have tried fixing and need help.

References:

• Guidance for Detection checks
• General contribution guidance
• PR validation troubleshooting

PR Template

---

Description for the PR:
(Enter the description below)
This query detects potential attempts to remotely access to the print spooler service on Active Directory Domain Controllers which could indicate an exploitation of MS-RPRN printer bug from a server that is configured with unconstrained delegation.
This query searches for the event id 5145 on Domain Controllers where the ShareName is "\*\IPC$" and the RelativeTargetName is "spoolss".

Testing Completed:
Yes/ No : Yes

---

[Deleted user (ghost)]

All CLA requirements met.