Azure/Azure-Sentinel

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# Microsoft Sentinel and Microsoft 365 Defender Welcome to the unified Microsoft Sentinel and Microsoft 365 Defender repository! This repository contains out of the box detections, exploration queries, hunting queries, workbooks, playbooks and much more to help you get ramped up with Microsoft Sentinel and provide you security content to secure your environment and hunt for threats. The hunting queries also include Microsoft 365 Defender hunting queries for advanced hunting scenarios in both Microsoft 365 Defender and Microsoft Sentinel. You can also submit to [issues](https://github.com/Azure/Azure-Sentinel/issues) for any samples or resources you would like to see here as you onboard to Microsoft Sentinel. This repository welcomes contributions and refer to this repository's [wiki](https://aka.ms/threathunters) to get started. For questions and feedback, please contact [AzureSentinel@microsoft.com](AzureSentinel@microsoft.com) # Resources * [Microsoft Sentinel documentation](https://go.microsoft.com/fwlink/?linkid=2073774&clcid=0x409) * [Microsoft 365 Defender documentation](https://docs.microsoft.com/microsoft-365/security/defender/microsoft-365-defender?view=o365-worldwide) * [Security Community Webinars](https://aka.ms/securitywebinars) * [Getting started with GitHub](https://help.github.com/en#dotcom) We value your feedback. Here are some channels to help surface your questions or feedback: 1. General product specific Q&A for SIEM and SOAR - Join in the [Microsoft Sentinel Tech Community conversations](https://techcommunity.microsoft.com/t5/microsoft-sentinel/bd-p/MicrosoftSentinel) 2. General product specific Q&A for XDR - Join in the [Microsoft 365 Defender Tech Community conversations](https://techcommunity.microsoft.com/t5/microsoft-365-defender/bd-p/MicrosoftThreatProtection) 3. Product specific feature requests - Upvote or post new on [Microsoft Sentinel feedback forums](https://feedback.azure.com/d365community/forum/37638d17-0625-ec11-b6e6-000d3a4f07b8) 4. Report product or contribution bugs - File a GitHub Issue using [Bug template](https://github.com/Azure/Azure-Sentinel/issues/new?assignees=&labels=&template=bug_report.md&title=) 5. General feedback on community and contribution process - File a GitHub Issue using [Feature Request template](https://github.com/Azure/Azure-Sentinel/issues/new?assignees=&labels=&template=feature_request.md&title=) # Contribution guidelines This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.microsoft.com. ## Add in your new or updated contributions to GitHub Note: If you are a first time contributor to this repository, [General GitHub Fork the repo guidance](https://docs.github.com/github/getting-started-with-github/fork-a-repo) before cloning or [Specific steps for the Sentinel repo](https://github.com/Azure/Azure-Sentinel/blob/master/GettingStarted.md). ## General Steps Brand new or update to a contribution via these methods: * Submit for review directly on GitHub website * Browse to the folder you want to upload your file to * Choose Upload Files and browse to your file. * You will be required to create your own branch and then submit the Pull Request for review. * Use [GitHub Desktop](https://docs.github.com/en/desktop/overview/getting-started-with-github-desktop) or [Visual Studio](https://visualstudio.microsoft.com/vs/) or [VSCode](https://code.visualstudio.com/?wt.mc_id=DX_841432) * [Fork the repo](https://docs.github.com/github/getting-started-with-github/fork-a-repo) * [Clone the repo](https://help.github.com/en/github/creating-cloning-and-archiving-repositories/cloning-a-repository) * [Create your own branch](https://help.github.com/en/desktop/contributing-to-projects/creating-a-branch-for-your-work) * Do your additions/updates in GitHub Desktop * Be sure to merge master back to your branch before you push. * [Push your changes to GitHub](https://help.github.com/en/github/using-git/pushing-commits-to-a-remote-repository) ## Pull Request * After you push your changes, you will need to submit the [Pull Request (PR)](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-requests) * Details about the Proposed Changes are required, be sure to include a minimal level of detail so a review can clearly understand the reason for the change and what he change is related to in the code. * After submission, check the [Pull Request](https://github.com/Azure/Azure-Sentinel/pulls) for comments * Make changes as suggested and update your branch or explain why no change is needed. Resolve the comment when done. ### Pull Request Detection Template Structure Validation Check As part of the PR checks we run a structure validation to make sure all required parts of the YAML structure are included. For Detections, there is a new section that must be included. See the [contribution guidelines](https://github.com/Azure/Azure-Sentinel/wiki/Contribute-to-Sentinel-GitHub-Community-of-Queries#now-onto-the-how) for more information. If this section or any other required section is not included, then a validation error will occur similar to the below. The example is specifically if the YAML is missing the entityMappings section: ``` A total of 1 test files matched the specified pattern. [xUnit.net 00:00:00.95] Kqlvalidations.Tests.DetectionTemplateStructureValidationTests.Validate_DetectionTemplates_HaveValidTemplateStructure(detectionsYamlFileName: "ExcessiveBlockedTrafficGeneratedbyUser.yaml") [FAIL] X Kqlvalidations.Tests.DetectionTemplateStructureValidationTests.Validate_DetectionTemplates_HaveValidTemplateStructure(detectionsYamlFileName: "ExcessiveBlockedTrafficGeneratedbyUser.yaml") [104ms] Error Message: Expected object to be <null>, but found System.ComponentModel.DataAnnotations.ValidationException with message "An old mapping for entity 'AccountCustomEntity' does not have a matching new mapping entry." ``` ### Pull Request KQL Validation Check As part of the PR checks we run a syntax validation of the KQL queries defined in the template. If this check fails go to Azure Pipeline (by pressing on the errors link on the checks tab in your PR) ![Azurepipeline](.github/Media/Azurepipeline.png) In the pipeline you can see which test failed and what is the cause: ![Pipeline Tests Tab](.github/Media/PipelineTestsTab.png) Example error message: ``` A total of 1 test files matched the specified pattern. [xUnit.net 00:00:01.81] Kqlvalidations.Tests.KqlValidationTests.Validate_DetectionQueries_HaveValidKql(detectionsYamlFileName: "ExcessiveBlockedTrafficGeneratedbyUser.yaml") [FAIL] X Kqlvalidations.Tests.KqlValidationTests.Validate_DetectionQueries_HaveValidKql(detectionsYamlFileName: "ExcessiveBlockedTrafficGeneratedbyUser.yaml") [21ms] Error Message: Template Id:fa0ab69c-7124-4f62-acdd-61017cf6ce89 is not valid Errors:The name 'SymantecEndpointProtection' does not refer to any known table, tabular variable or function., Code: 'KS204', Severity: 'Error', Location: '67..93',The name 'SymantecEndpointProtection' does not refer to any known table, tabular variable or function., Code: 'KS204', Severity: 'Error', Location: '289..315' ``` If you are using custom logs table (a table which is not defined on all workspaces by default) you should verify your table schema is defined in json file in the folder *Azure-Sentinel\\.script\tests\KqlvalidationsTests\CustomTables* **Example for table tablexyz.json** ```json { "Name": "tablexyz", "Properties": [ { "Name": "SomeDateTimeColumn", "Type": "DateTime" }, { "Name": "SomeStringColumn", "Type": "String" }, { "Name": "SomeDynamicColumn", "Type": "Dynamic" } ] } ``` ### Run KQL Validation Locally In order to run the KQL validation before submitting Pull Request in you local machine: * You need to have **.Net Core 3.1 SDK** installed [How to download .Net](https://dotnet.microsoft.com/download) (Supports all platforms) * Open Shell and navigate to `Azure-Sentinel\\.script\tests\KqlvalidationsTests\` * Execute `dotnet test` Example of output (in Ubuntu): ``` Welcome to .NET Core 3.1! ---------------------- SDK Version: 3.1.403 Telemetry --------- The .NET Core tools collect usage data in order to help us improve your experience. The data is anonymous. It is collected by Microsoft and shared with the community. You can opt-out of telemetry by setting the DOTNET_CLI_TELEMETRY_OPTOUT environment variable to '1' or 'true' using your favorite shell. Read more about .NET Core CLI Tools telemetry: https://aka.ms/dotnet-cli-telemetry ---------------- Explore documentation: https://aka.ms/dotnet-docs Report issues and find source on GitHub: https://github.com/dotnet/core Find out what's new: https://aka.ms/dotnet-whats-new Learn about the installed HTTPS developer cert: https://aka.ms/aspnet-core-https Use 'dotnet --help' to see available commands or visit: https://aka.ms/dotnet-cli-docs Write your first app: https://aka.ms/first-net-core-app -------------------------------------------------------------------------------------- Test run for /mnt/c/git/Azure-Sentinel/.script/tests/KqlvalidationsTests/bin/Debug/netcoreapp3.1/Kqlvalidations.Tests.dll(.NETCoreApp,Version=v3.1) Microsoft (R) Test Execution Command Line Tool Version 16.7.0 Copyright (c) Microsoft Corporation. All rights reserved. Starting test execution, please wait... A total of 1 test files matched the specified pattern. Test Run Successful. Total tests: 171 Passed: 171 Total time: 25.7973 Seconds ``` ### Detection schema validation tests Similarly to KQL Validation, there is an automatic validation of the schema of a detection. The schema validation includes the detection's frequency and period, the detection's trigger type and threshold, validity of connectors Ids ([valid connectors Ids list](https://github.com/Azure/Azure-Sentinel/blob/master/.script/tests/detectionTemplateSchemaValidation/ValidConnectorIds.json)), etc. A wrong format or missing attributes will result with an informative check failure, which should guide you through the resolution of the issue, but make sure to look into the format of already approved detection. ### Run Detection Schema Validation Locally In order to run the KQL validation before submitting Pull Request in you local machine: * You need to have **.Net Core 3.1 SDK** installed [How to download .Net](https://dotnet.microsoft.com/download) (Supports all platforms) * Open Shell and navigate to `Azure-Sentinel\\.script\tests\DetectionTemplateSchemaValidation\` * Execute `dotnet test` When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA. This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments. For information on what you can contribute and further details, refer to the ["get started"](https://github.com/Azure/Azure-Sentinel/wiki#get-started) section on the project's [wiki](https://aka.ms/threathunters).

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مطوّرو البرمجيات محللو ضمان جودة البرمجيات والمختبرون مديرو الشبكات وأنظمة الحاسوب

٣ فئات مهنية · 46% مصنفة

مديرو الشبكات وأنظمة الحاسوب

Runs Azure CLI commands in a terminal. Use this skill when you need to execute az CLI commands such as checking authentication, querying Log Analytics, managing deployments, or inspecting Azure resources.

لغة النص الأصلي: الإنجليزية

2026-06-22

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