posts-powershell

Internally, Active Directory stores all passwords as so-called NTLM Hashes. There are a number of security-analysis tools that can read and dump...

Here’s a fun PowerShell script that you can use to create a simple multi-channel chat room. All you need is a network share where everyone has...

In previous tips, we already talked about services such as haveIbeenpwned.com. They harvest leaked passwords from previous hacker attacks so you can...

It can be very useful to be able to convert an encrypted SecureString back to a plain text. This way, for example, you can use PowerShell’s...

If your script requires external binary resources such as picture files or DLLs, you can of course ship them together with your script. You could,...

In October 2018, a Windows 10 update added built-in SSH support to Windows 10. From now on, Windows 10 ships with a command-line tool called “ssh”....

In the previous tip we illustrated how you can download a PowerShell script which automatically downloads the latest version of PowerShell Core....

As you probably know, Windows PowerShell (the one shipping in Windows) is done, and all efforts go into development of the new cross-platform...

Here is a one-liner that retrieves your current public IP address: PS> Invoke-RestMethod -Uri http://ipinfo.io ip : 87.153.224.209 hostname :...

PowerShell comes with a powerful yet simple way of monitoring file changes. Let’s assume you have a log file that changes every now and then....

In Windows 10 and Windows Server 2016, PowerShell can access storage reliability data so you can find out whether there is something wrong with one...

PowerShell can execute internal PowerShell commands and also regular console commands, so it’s not a bad thing to continue to use console...

This is part 5 of our mini-series about the awesome and free “ImportExcel” PowerShell module by Doug Finke. Make sure you install the...

This is part 4 of our mini-series about the awesome and free “ImportExcel” PowerShell module by Doug Finke. Make sure you install the...

This is part 3 of our mini-series about the awesome and free “ImportExcel” PowerShell module by Doug Finke. Make sure you install the...

This is part 2 of our mini-series about the awesome and free “ImportExcel” PowerShell module by Doug Finke. Make sure you install the...

Doug Finke has created an awesome PowerShell module called ImportExcel which comes with all the commands you need to import and export data from and...

In the previous example we looked at how numeric HTTP response codes can automatically be converted to descriptive text, simply by converting them...

In the previous example we created a small PowerShell function that checks web site availability, and as part of the test results, a HTTP response...

When a web site is unavailable, often the question is whether it’s you, or whether the web site is generally down for everyone else, too....

Accessing RESTful web services is trivial for PowerShell: simply send your input data to a public web service, and receive the results. Here are...

PowerShell can validate AD username and passwords against the Active Directory: Add-Type -AssemblyName System.DirectoryServices.AccountManagement...

If you’d like to add an incrementing number to your output, here is a simple way: Get-Process | Select-Object -Property '#',...

If you ever write PowerShell functions that need to accept sensitive input such as passwords, make sure you allow users to submit SecureString...