Blog

Requesting Microsoft Defender HTTP API with .NET and Refit

The Microsoft Defender API - or Azure Security Center API - is an interface to obtain security-related information from its M365 or Azure tenant.

Configure Azure Active Directory for UserName-Password Login

Attention: the following configuration is recommended only for testing or very trusted applications, since username and password could be intercepted (since they are entered directly).

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Parse HTML with .NET and the HtmlAgilityPack

Parsing HTML with .NET can be a useful skill for any developer working on web applications or data analysis projects. One tool that can be particularly helpful in these scenarios is HtmlAgilityPack , an open-source HTML parser library for .NET. In this blog post, we’ll go over how to use HtmlAgilityPack to parse HTML and extract data from it in a .NET application.

Use ASP.NET Core Options with an instance

ASP.NET Core provides a built-in mechanism for configuring an application’s options using the Options pattern. This pattern allows you to define a class to represent the options you want to configure and then bind those options to values from a variety of sources, such as configuration files, environment variables or command-line arguments.

Write Json Files asynchronously with .NET

Writing JSON files asynchronously is a useful technique for improving the performance and scalability of your application. By using an asynchronous approach, you can write JSON data to a file without blocking the main thread, allowing your application to continue running smoothly and respond to user input.

Write XML Files asynchronously with .NET

Writing XML files asynchronously is a useful technique for improving the performance and scalability of your application. By using an asynchronous approach, you can write XML data to a file without blocking the main thread, allowing your application to continue running smoothly and respond to user input.

ActivityPub Protocol

ActivityPub is an open, decentralized social networking protocol that allows users to share content and interact with each other across the internet. It is based on the concept of the Activity Stream, which is a standard format for representing activities or events that happen on a social networking site.

List local Windows Administator names with .NET

First, you need to install the NuGet Package System.DirectoryServices.AccountManagement

Now you can open a context and get all members of the built-in group “Administrators”

List local Windows Administator names with PowerShell

To list the local administator accounts, you can just use the group membership command

1Get-LocalGroupMember -Group "Administrators"

1ObjectClass   Name                  PrincipalSource
2-----------  ----                 ---------------
3User          MyPC\Administrator    Local
4User          MyPC\Ben      MicrosoftAccount

Enrich Token Claims with ASP.NET Core

Often you have the requirement that you need or want to add additional claims to a token - either the, ID token or the access token. This is especially useful when one needs an additional custom enrichment that is not available at the time of token creation.