![]() If IIS URL rewrite module is not installed, this will also download and install the module. This will apply the URL rewrite mitigation. The default recommended way of using EOMTv2.ps1. Exchange On-premises Mitigation Tool v2 Examples We apply the following error-level rules from the newest PowerShell Script Analyzer module in the PowerShell Gallery: Rule Name. Runs the module through PowerShell Script Analyzer. Runs an antivirus scan by using System Center Endpoint Protection. NOTE: The script has to be executed individually for each server. Installs the module by using PowerShellGet. External Internet Connection from your Exchange server (required to update the script and install IIS URL rewrite module).If Operating System is older than Windows Server 2016, must have KB2999226 for IIS Rewrite Module 2.1 to work.Exchange 2013 Client Access Server role, Exchange 2016 Mailbox role, or Exchange 2019 Mailbox role.PowerShell script must be run as Administrator.Use of the Exchange On-premises Mitigation Tool v2 is subject to the terms of the Microsoft Privacy Statement: Requirements to run the Exchange On-premises Mitigation Tool v2 Mitigate against current known attacks using CVE-2022-41040 via a URL Rewrite configuration.Check for the latest version of EOMTv2.ps1 and download it.The Exchange On-premises Mitigation Tool v2 script (EOMTv2.ps1) can be used to mitigate CVE-2022-41040. ![]() Once you install the updates, you can rollback the mitigation as described in the Exchange On-premises Mitigation Tool v2 Examples section. Thus, installation of an applicable SU is the only way to protect your servers. Mitigations can become insufficient to protect against all variations of an attack. 2 U/OO/166015 PP-22-09 Ver 1.0 NSA, CISA, NZ NCSC, NCSC-UK Keeping PowerShell: Security Measures to Use and Embrace PowerShell use 5. The vulnerability addressed by this mitigation script has been addressed in latest Exchange Server Security Updates (starting with November 2022 SU). ![]()
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |