MDATP Advanced Hunting (AH) Sample Queries. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Read more Anonymous User Cyber Security Senior Analyst at a security firm When rendering the results, a column chart displays each severity value as a separate column: Query results for alerts by severity displayed as a column chart. Create calculated columns and append them to the result set. The query itself will typically start with a table name followed by several elements that start with a pipe (|). You can use the summarize operator for that, which allows you to produce a table that aggregates the content of the input table in combination with count() that will count the number of rows or dcount() that will count the distinct values. Refresh the. If you haven't yet, experience how you can effectively scale your organization's incident response capabilities by signing up for a free Microsoft Defender ATP trial. Learn more about how you can evaluate and pilot Microsoft 365 Defender. In the example below, the parsing function extractjson() is used after filtering operators have reduced the number of records. For more information on advanced hunting in Microsoft Defender for Cloud Apps data, see the video. Use case insensitive matches. Applied only when the Audit only enforcement mode is enabled. There was a problem preparing your codespace, please try again. Character string in UTF-8 enclosed in single quotes (, Place the cursor on any part of a query to select that query before running it. Note because we use in ~ it is case-insensitive. As we knew, youoryour InfoSec Teammayneed to runa fewqueries inyour daily security monitoringtask. Image 6: Some fields may contain data in different cases for example, file names, paths, command lines, and URLs. Get access. If you're familiar with Sysinternals Sysmon your will recognize the a lot of the data which you can query. Now that your query clearly identifies the data you want to locate, you can define what the results look like. The Get started section provides a few simple queries using commonly used operators. MDATP Advanced Hunting (AH) Sample Queries. , and provides full access to raw data up to 30 days back. Note: I have updated the kql queries below, but the screenshots itself still refer to the previous (old) schema names. Shuffle the queryWhile summarize is best used in columns with repetitive values, the same columns can also have high cardinality or large numbers of unique values. There are several ways to apply filters for specific data. Turn on Microsoft 365 Defender to hunt for threats using more data sources. or contact opencode@microsoft.com with any additional questions or comments. When rendering charts, advanced hunting automatically identifies columns of interest and the numeric values to aggregate. As we knew, you or your InfoSec Team may need to run a few queries in your daily security monitoring task. For example, if you want to search for ProcessCreationEvents, where the FileName is powershell.exe. To use advanced hunting or other Microsoft 365 Defender capabilities, you need an appropriate role in Azure Active Directory. There are more complex obfuscation techniques that require other approaches, but these tweaks can help address common ones. Let us know if you run into any problems or share your suggestions by sending email to wdatpqueriesfeedback@microsoft.com. You can also use the case-sensitive equals operator == instead of =~. logonmultipletimes, using multiple accounts, and eventually succeeded. 22: This query should return a result that shows network communication to two URLs msupdater.com and twitterdocs.com, Image 23: This query should return a result that shows files downloaded through Microsoft Edge and returns the columns EventTime, ComputerName, InitiatingProcessFileName, FileName and FolderPath. Project selectivelyMake your results easier to understand by projecting only the columns you need. Want to experience Microsoft 365 Defender? Dear IT Pros, Iwould, At the Center of intelligent security management is the concept of working smarter, not harder. Microsoft SIEM and XDR Community provides a forum for the community members, aka, Threat Hunters, to join in and submit these contributions via GitHub Pull Requests or contribution ideas as GitHub Issues. Read about required roles and permissions for advanced hunting. Account protection No actions needed. Learn more about how you can evaluate and pilot Microsoft 365 Defender. Return the number of records in the input record set. Don't use * to check all columns. A Windows Defender Application Control (WDAC) policy logs events locally in Windows Event Viewer in either enforced or audit mode. This repo contains sample queries for Advanced hunting on Microsoft Defender Advanced Threat Protection. A tag already exists with the provided branch name. | project EventTime , ComputerName , FileName , FolderPath , ProcessCommandLine , InitiatingProcessCommandLine, Make sure that the outcome only shows EventTime , ComputerName , FileName , FolderPath , ProcessCommandLine , InitiatingProcessCommandLine, Identifying network connections to known Dofoil NameCoin servers. Avoid the matches regex string operator or the extract() function, both of which use regular expression. Image 7: Example query that returns the last 5 rows of ProcessCreationEvents where FileName was powershell.exe. These rules run automatically to check for and then respond to suspected breach activity, misconfigured machines, and other findings. Whenever possible, provide links to related documentation. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Filter tables not expressionsDon't filter on a calculated column if you can filter on a table column. To understand these concepts better, run your first query. Lets break down the query to better understand how and why it is built in this way. Applied only when the Enforce rules enforcement mode is set either directly or indirectly through Group Policy inheritance. | where ProcessCommandLine contains .decode(base64) or ProcessCommandLine contains base64 decode or ProcessCommandLine contains .decode64(, | project Timestamp , DeviceName , FileName , FolderPath , ProcessCommandLine , InitiatingProcessCommandLine. 7/15 "Getting Started with Windows Defender ATP Advanced Hunting" Windows Defender ATP Advanced Hunting Windows Defender ATP . 1. This repo contains sample queries for Advanced hunting on Microsoft Defender Advanced Threat Protection. For more information on Kusto query language and supported operators, see Kusto query language documentation. The first piped element is a time filter scoped to the previous seven days. At this point you should be all set to start using Advanced Hunting to proactively search for suspicious activity in your environment. Otherwise, register and sign in. The query below counts events involving the file invoice.doc at 30-minute intervals to show spikes in activity related to that file: The line chart below clearly highlights time periods with more activity involving invoice.doc: Line chart showing the number of events involving a file over time. microsoft/Microsoft-365-Defender-Hunting-Queries. The signed file under validation is signed by a code signing certificate that has been revoked by Microsoft or the certificate issuing authority. High indicates that the query took more resources to run and could be improved to return results more efficiently. Sample queries for Advanced hunting in Microsoft Defender ATP. Want to experience Microsoft 365 Defender? As you can see in the following image, all the rows that I mentioned earlier are displayed. Best practices and the latest news on Microsoft FastTrack, The employee experience platform to help people thrive at work, Expand your Azure partner-to-partner network, Bringing IT Pros together through In-Person & Virtual events. Often times SecOps teams would like to perform proactive hunting or perform a deep-dive on alerts, and with Windows Defender ATP they can leverage raw events in order to perform these tasks efficiently. More info about Internet Explorer and Microsoft Edge, evaluate and pilot Microsoft 365 Defender, read about advanced hunting quotas and usage parameters, Migrate advanced hunting queries from Microsoft Defender for Endpoint. Please Advanced hunting is based on the Kusto query language. Microsoft. These terms are not indexed and matching them will require more resources. Select New query to open a tab for your new query. MDATP offers quite a few endpoints that you can leverage in both incident response and threat hunting. Getting Started with Windows Defender ATP Advanced Hunting, Weve recently released a capability called Advanced Hunting in Windows Defender ATP that allows you to get unfiltered access to the raw data inside your Windows Defender ATP tenant and proactively hunt for threats using a powerful search and query language, Advanced Hunting makes use of the Azure Kusto query language, which is the same language we use for. instructions provided by the bot. It can be unnecessary to use it to aggregate columns that don't have repetitive values. Advanced hunting data uses the UTC (Universal Time Coordinated) timezone. letisthecommandtointroducevariables. https://cla.microsoft.com. and actually do, grant us the rights to use your contribution. Also note that sometimes you might not have the absolute filename or might be dealing with a malicious file that constantly changes names. Select the columns to include, rename or drop, and insert new computed columns. Merge the rows of two tables to form a new table by matching values of the specified column(s) from each table. SuccessfulAccountsCount = dcountif(Account, ActionType == LogonSuccess). Find possible clear text passwords in Windows registry. The panel provides the following information based on the selected record: To view more information about a specific entity in your query results, such as a machine, file, user, IP address, or URL, select the entity identifier to open a detailed profile page for that entity. You can use Kusto operators and statements to construct queries that locate information in a specialized schema. You can also explore a variety of attack techniques and how they may be surfaced through Advanced hunting. You will only need to do this once across all repositories using our CLA. Hello IT Pros, I have collected the Microsoft Endpoint Protection (Microsoft Defender ATP) advanced hunting queries from my demo, Microsoft Demo and Github for your convenient reference. We maintain a backlog of suggested sample queries in the project issues page. Image 24:You can choose Save or Save As to select a folder location, Image 25: Choose if you want the query to be shared across your organization or only available to you. For that scenario, you can use the find operator. Deconstruct a version number with up to four sections and up to eight characters per section. Limiting the time range helps ensure that queries perform well, return manageable results, and don't time out. sign in Within the Advanced Hunting action of the Defender . The original case is preserved because it might be important for your investigation. While Event Viewer helps to see the impact on a single system, IT Pros want to gauge it across many systems. This API can only query tables belonging to Microsoft Defender for Endpoint. You have to cast values extracted . Finds PowerShell execution events that could involve a download. Use advanced mode if you are comfortable using KQL to create queries from scratch. To get started, simply paste a sample query into the query builder and run the query. Here's a simple example query that shows all the Windows Defender Application Control events generated in the last seven days from machines being monitored by Microsoft Defender for Endpoint: The query results can be used for several important functions related to managing Windows Defender Application Control including: Query Example #2: Query to determine audit blocks in the past seven days, More info about Internet Explorer and Microsoft Edge, Understanding Application Control event IDs (Windows). .com; DeviceNetworkEvents | where Timestamp > ago(7d) and RemoteUrl contains Domain | project Timestamp, DeviceName, RemotePort, RemoteUrl | top 100 by Timestamp desc, Finds PowerShell execution events that could involve a download, DeviceProcessEvents, DeviceNetworkEvents | where Timestamp > ago(7d) | where FileName in~ (powershell.exe, powershell_ise.exe) | where ProcessCommandLine has_any(WebClient, DownloadFile, DownloadData, DownloadString, WebRequest, Shellcode, http, https) | project Timestamp, DeviceName, InitiatingProcessFileName, InitiatingProcessCommandLine, FileName, ProcessCommandLine, RemoteIP, RemoteUrl, RemotePort, RemoteIPType | top 100 by Timestamp, https://docs.microsoft.com/en-us/azure/data-explorer/kusto/query/a, Microsoft. In some instances, you might want to search for specific information across multiple tables. Lookup process executed from binary hidden in Base64 encoded file. Device security No actions needed. Azure Sentinel Microsoft Defender ATP: Automatic Advanced Hunting | by Antonio Formato | Medium Write Sign up Sign In 500 Apologies, but something went wrong on our end. Customers who run multiple queries regularly should track consumption and apply the optimization guidance in this article to minimize disruption resulting from exceeding quotas or usage parameters. The Windows Defender ATP advanced hunting feature, which is currently in preview, can be used to hunt down more malware samples that possibly abuse NameCoin servers. Some tables in this article might not be available in Microsoft Defender for Endpoint. This project welcomes contributions and suggestions. The summarize operator can be easily replaced with project, yielding potentially the same results while consuming fewer resources: The following example is a more efficient use of summarize because there can be multiple distinct instances of a sender address sending email to the same recipient address. For more information, see Advanced Hunting query best practices. The FileProfile() function is an enrichment function in advanced hunting that adds the following data to files found by the query. Return a dynamic (JSON) array of the set of distinct values that Expr takes in the group. Find distinct valuesIn general, use summarize to find distinct values that can be repetitive. Advanced Hunting allows you to save your queries and share them within your tenant with your peers. To get meaningful charts, construct your queries to return the specific values you want to see visualized. But isn't it a string? This event is the main Windows Defender Application Control block event for audit mode policies. You can then run different queries without ever opening a new browser tab. Explore the shared queries on the left side of the page or the GitHub query repository. This project has adopted the Microsoft Open Source Code of Conduct. Depending on its size, each tenant has access to a set amount of CPU resources allocated for running advanced hunting queries. You signed in with another tab or window. To mitigate command-line obfuscation techniques, consider removing quotes, replacing commas with spaces, and replacing multiple consecutive spaces with a single space. The query below uses the summarize operator to get the number of alerts by severity. Image 10: Example query that returns the last 5 rows of ProcessCreationEvents where FileName was powershell.exe or cmd.exe, note this time we are using == which makes it case sensitive and where the outcome is filtered to show you EventTime, ComputerName and ProcessCommandLine. Audit script/MSI file generated by Windows LockDown Policy (WLDP) being called by the script hosts themselves. Image 18: Example query that joins FileCreationEvents with ProcessCreationEvents where the result shows a full perspective on the files that got created and executed. Are you sure you want to create this branch? If you get syntax errors, try removing empty lines introduced when pasting. Choosing the minus icon will exclude a certain attribute from the query while the addition icon will include it. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Let us know if you run into any problems or share your suggestions by sending email to wdatpqueriesfeedback@microsoft.com. The query summarizes by both InitiatingProcessId and InitiatingProcessCreationTime so that it looks at a single process, without mixing multiple processes with the same process ID. This query can be used to detect the following attack techniques and tactics (see MITRE ATT&CK framework) or security configuration states. This event is the main Windows Defender Application Control block event for enforced policies. Within Microsoft Flow, start with creating a new scheduled flow, select from blank. Indicates the AppLocker policy was successfully applied to the computer. Learn more about how you can evaluate and pilot Microsoft 365 Defender. Are you sure you want to create this branch? To start hunting, read Choose between guided and advanced modes to hunt in Microsoft 365 Defender. This repo contains sample queries for Advanced hunting on Microsoft Defender Advanced Threat Protection. If you're among those administrators that use Microsoft Defender Advanced Threat Protection, here's a handy tip how to find out who's logging on with local administrators' rights. After running your query, you can see the execution time and its resource usage (Low, Medium, High). The size of each pie represents numeric values from another field. Hunting queries for Microsoft 365 Defender will provide value to both Microsoft 365 Defender and Microsoft Sentinel products, hence a multiple impact for a single contribution. When querying for command-line arguments, don't look for an exact match on multiple unrelated arguments in a certain order. Microsoft 365 Defender repository for Advanced Hunting. 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