PowerShell Tag Archive
How to find all symbolic links, junction points and hard links in a folder in Windows Server quickly? Use dir /al /s /b. Jan ReilinkMy name is Jan. I am not a hacker, coder, developer or guru. I am merely a systems administrator, doing my daily thing at Vevida. If you feel a post has…
Continue reading Quickly view all symbolic links, junctions points and hard links in a folder
On a daily bases, new vulnerabilities are found in WordPress plugins. And when you host thousands of WordPress sites, you can count on the fact you have some customers using that vulnerable version of that particular plugin. So you need to find those vulnerable versions on your servers fast. On Windows Server, PowerShell is a…
Continue reading Find vulnerable WordPress plugin versions fast using PowerShell
This post contains some example WMI filters for you to use in Group Policy Objects (GPOs) to target and manage specific Windows Server versions like 2012R2, 2016 and Windows Server 2019. Jan ReilinkMy name is Jan. I am not a hacker, coder, developer or guru. I am merely a systems administrator, doing my daily thing…
Continue reading WMI Filters for Group Policy to manage Windows Server versions
In this post I’ll show you how to configure an IP whitelist for IIS FTP Server using PowerShell iisadministration and webadministration modules
how to remove phantom application folders from websites in IIS using PowerShell? Today I wanted to remove application folders from the website configuration in IIS whose physical path on the filesystem was removed. E.g when the application folder “/test1” in the website example.com should point to z:\sites\example.com\www\test1 but was removed. Here is now.
This might be specific to my Windows Server environment and PoSH scripting, but using -SeachBase with PowerShell’s Get-ADComputer gives me faster results. You can use this for your own advantage, here is a little example to speed up AD DS queries. Jan ReilinkMy name is Jan. I am not a hacker, coder, developer or guru.…
Continue reading Use -SearchBase with Get-ADComputer for faster results
You can install Servicing Stack Updates (SSU) for Windows Server 2016 and Windows Server 2019 using PowerShell, without downtime. Because they must be installed prior to your normal Windows Server security updates, you can install them anytime you want to during the day. Here’s a small PowerShell example to do so. Jan ReilinkMy name is…
Continue reading Install Windows Server Servicing Stack Updates (SSU) using PowerShell
Since WannaCry and Petya ransomware were spreading through Windows systems in 2017, it’s recommended to have Server Message Block version 1 (SMBv1) disabled in Windows clients and Windows Server. Now SMBv1 is not installed by default in Windows 10 1709 and Windows Server, version 1709 and later, but how can you be sure it is…
Continue reading How to verify SMBv1 is disabled in Windows and Windows Server
Ever wondered why Windows Server Update Services (WSUS) offers Flash updates for Windows Server? Adobe Flash Player is installed on Windows Server 2016 / 2019 if you have the Remote Desktop Session Host (RDSH) role installed. Yikes! I can imagine you want to delete Adobe Flash Player without deleting the RDSH role, and here is how.…
Continue reading How to uninstall and remove Adobe Flash Player in Windows Server
Working with PowerShell’s Get-ItemProperty to get file attributes may boost your work productivity. It’s often easier to getting things done if you have a more generic way of doing something. Here is how to use Get-ItemProperty in PowerShell to perform and streamline day to day tasks like installing or updating software based on file versions. Jan ReilinkMy…
Ryan McFarland writes on his blog: “Privilege escalation always comes down to proper enumeration. But to accomplish proper enumeration you need to know what to check and look for. This takes familiarity with systems that normally comes along with experience. At first privilege escalation can seem like a daunting task, but after a while you…
If a Windows Server 2016 guest VM on Hyper-V hangs while stopping after Windows Updates, it might be caused by the recovery debug information type set. Especially when you have moved the Windows PageFile to a different partition/VHDX. Jan ReilinkMy name is Jan. I am not a hacker, coder, developer or guru. I am merely…
Continue reading Windows Server 2016 on Hyper-V stuck at stopping
There are a lot of hints & tips out there for troubleshooting SPNs, or Service Principal Names. Listing duplicate SPNs is fairly easy, just use setspn -X on your command-line and you’ll find out. But how do you find out which SPNs are used for which users and computers are used for this? Jan ReilinkMy…
Continue reading List all SPNs used in your Active Directory
Users can install and run multiple versions of the .NET Framework on their computers. When you develop or deploy your app, you might need to know which .NET Framework versions are installed on the user’s computer. Jan ReilinkMy name is Jan. I am not a hacker, coder, developer or guru. I am merely a systems…
Continue reading How to: Determine which .NET Framework versions are installed
Unzipping a file on your PowerShell command line may come in handy sometimes, even on your Windows 10 workstation. Use Expand-Archive for this, and all that is required is PowerShell 5.0+, or the .NET 4.5+ Framework to use System.IO.Compression.ZipFile. Jan ReilinkMy name is Jan. I am not a hacker, coder, developer or guru. I am…
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