FailedAccountsCount=dcountif(Account,ActionType== LogonFailed). When you join or summarize data around processes, include columns for the machine identifier (either DeviceId or DeviceName), the process ID (ProcessId or InitiatingProcessId), and the process creation time (ProcessCreationTime or InitiatingProcessCreationTime). https://cla.microsoft.com. For more information on advanced hunting in Microsoft Defender for Cloud Apps data, see the video. 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). This can lead to extra insights on other threats that use the . For details, visit PowerShell execution events that could involve downloads. Select the three dots to the right of any column in the Inspect record panel. This article was originally published by Microsoft's Core Infrastructure and Security Blog. Crash Detector. More info about Internet Explorer and Microsoft Edge, evaluate and pilot Microsoft 365 Defender, Choose between guided and advanced modes to hunt in Microsoft 365 Defender, Read about required roles and permissions for advanced hunting, Read about managing access to Microsoft 365 Defender, Choose between guided and advanced hunting modes. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Plots numeric values for a series of unique items and connects the plotted values, Plots numeric values for a series of unique items, Plots numeric values for a series of unique items and fills the sections below the plotted values, Plots numeric values for a series of unique items and stacks the filled sections below the plotted values, Plots values by count on a linear time scale, Drill down to detailed entity information, Tweak your queries directly from the results, Exclude the selected value from the query (, Get more advanced operators for adding the value to your query, such as. .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. There was a problem preparing your codespace, please try again. We value your feedback. This query identifies crashing processes based on parameters passed To get started, simply paste a sample query into the query builder and run the query. For example, the following advanced hunting query finds recent connections to Dofoil C&C servers from your network. Use Git or checkout with SVN using the web URL. 25 August 2021. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Read about required roles and permissions for advanced hunting. and actually do, grant us the rights to use your contribution. Try to find the problem and address it so that the query can work. To use advanced hunting or other Microsoft 365 Defender capabilities, you need an appropriate role in Azure Active Directory. See, Sample queries for Advanced hunting in Windows Defender ATP. The Get started section provides a few simple queries using commonly used operators. Now remember earlier I compared this with an Excel spreadsheet. Find distinct valuesIn general, use summarize to find distinct values that can be repetitive. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. "52.174.55.168", "185.121.177.177","185.121.177.53","62.113.203.55". If you're familiar with Sysinternals Sysmon your will recognize the a lot of the data which you can query. A tag already exists with the provided branch name. Find rows that match a predicate across a set of tables. Image 21: Identifying network connections to known Dofoil NameCoin servers. instructions provided by the bot. Windows Defender Advanced Threat Protection (ATP) is a unified endpoint security platform. Because of the richness of data, you will want to use filters wisely to reduce unnecessary noise into your analysis. "144.76.133.38","169.239.202.202","5.135.183.146". | where ProcessCommandLine has "Net.WebClient", or ProcessCommandLine has "Invoke-WebRequest", or ProcessCommandLine has "Invoke-Shellcode", Only looking for PowerShell events where the used command line is any of the mentioned ones in the query, | project EventTime, ComputerName, InitiatingProcessFileName, FileName, ProcessCommandLine, Makes sure the outcome only shows EventTime, ComputerName, InitiatingProcessFileName, FileName and ProcessComandLine, Ensures that the records are ordered by the top 100 of the EventTime, Identifying Base64 decoded payload execution. Advanced Hunting makes use of the Azure Kusto query language, which is the same language we use for Azure Log Analytics, and provides full access to raw data up to 30 days back. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. Fortunately a large number of these vulnerabilities can be mitigated using a third party patch management solution like PatchMyPC. Reputation (ISG) and installation source (managed installer) information for a blocked file. Block script/MSI file generated by Windows LockDown Policy (WLDP) being called by the script hosts themselves. Think of the scenario where you are aware of a specific malicious file hash and you want to know details of that file hash across FileCreationEvents, ProcessCreationEvents, and NetworkCommunicatonEvents. Unfortunately reality is often different. 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. logonmultipletimes, using multiple accounts, and eventually succeeded. If a query returns no results, try expanding the time range. Choosing the minus icon will exclude a certain attribute from the query while the addition icon will include it. When you submit a pull request, a CLA-bot will automatically determine whether you need Projecting specific columns prior to running join or similar operations also helps improve performance. These contributions can be just based on your idea of the value to enterprise your contribution provides or can be from the GitHub open issues list or even enhancements to existing contributions. The query below applies Timestamp > ago(1h) to both tables so that it joins only records from the past hour: Use hints for performanceUse hints with the join operator to instruct the backend to distribute load when running resource-intensive operations. Names of case-sensitive string operators, such as has_cs and contains_cs, generally end with _cs. Advanced hunting supports two modes, guided and advanced. 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 detailed information about various usage parameters, read about advanced hunting quotas and usage parameters. Return up to the specified number of rows. Depending on its size, each tenant has access to a set amount of CPU resources allocated for running advanced hunting queries. Read about required roles and permissions for . The signed file under validation is signed by a code signing certificate that has been revoked by Microsoft or the certificate issuing authority. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, Learn more about how you can evaluate and pilot Microsoft 365 Defender. With these sample queries, you can start to experience Advanced hunting, including the types of data that it covers and the query language it supports. You can get data from files in TXT, CSV, JSON, or other formats. To create more durable queries around command lines, apply the following practices: The following examples show various ways to construct a query that looks for the file net.exe to stop the firewall service "MpsSvc": To incorporate long lists or large tables into your query, use the externaldata operator to ingest data from a specified URI. Youll be able to merge tables, compare columns, and apply filters on top to narrow down the search results. or contact opencode@microsoft.com with any additional questions or comments. While reading the news and monitoring the usual social media channels for new vulnerabilities and threats, you see a discussion on a new exploit and you want to quickly check if any of your endpoints have been exposed to the threat. You have to cast values extracted . 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. The script or .msi file can't run. There are numerous ways to construct a command line to accomplish a task. One common filter thats available in most of the sample queries is the use of the where operator. Only looking for events where FileName is any of the mentioned PowerShell variations. You can also explore a variety of attack techniques and how they may be surfaced through Advanced hunting. This project welcomes contributions and suggestions. 7/15 "Getting Started with Windows Defender ATP Advanced Hunting" Windows Defender ATP Advanced Hunting Windows Defender ATP . | extend Account=strcat(AccountDomain, ,AccountName). unionDeviceProcessEvents, 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, union is the command to combinemultiple DeviceQueryTables, Find scheduled taskscreated bya non-system account, | where FolderPath endswith schtasks.exe and ProcessCommandLine has /create and AccountName != system. . Alerts by severity In the table below, we reduce the left table DeviceLogonEvents to cover only three specific devices before joining it with IdentityLogonEvents by account SIDs. To understand these concepts better, run your first query. This query identifies crashing processes based on parameters passed to werfault.exe and attempts to find the associated process launch from DeviceProcessEvents. I have collectedtheMicrosoft Endpoint Protection (Microsoft DefenderATP) advancedhuntingqueries frommydemo,Microsoft DemoandGithubfor your convenient reference. Also, your access to endpoint data is determined by role-based access control (RBAC) settings in Microsoft Defender for Endpoint. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. 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. https://cla.microsoft.com. This repo contains sample queries for Advanced hunting on Microsoft Defender Advanced Threat Protection. I highly recommend everyone to check these queries regularly. We are continually building up documentation about Advanced hunting and its data schema. You can move your advanced hunting workflows from Microsoft Defender for Endpoint to Microsoft 365 Defender by following the steps in Migrate advanced hunting queries from Microsoft Defender for Endpoint. Select the columns to include, rename or drop, and insert new computed columns. Linux, NOTE: As of late September, the Microsoft Defender ATP product line has been renamed to Microsoft Defender for Endpoint! 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. If I try to wrap abuse_domain in tostring, it's "Scalar value expected". Apart from the basic query samples, you can also access shared queries for specific threat hunting scenarios. This operator allows you to apply filters to a specific column within a table. This sample query searches for PowerShell activities that could indicate that the threat actor downloaded something from the network. With these sample queries, you can start to experience Advanced hunting, including the types of data that it covers and the query language it supports. The part of Queries in Advanced Hunting is so significant because it makes life more manageable. Indicates the AppLocker policy was successfully applied to the computer. FailedComputerCount = dcountif(DeviceName, ActionType == LogonFailed), SuccessfulComputerCount = dcountif(DeviceName, ActionType == LogonSuccess), ((FailedComputerCount > 100 and FailedComputerCount > SuccessfulComputerCount) or, (FailedAccountsCount > 100 and FailedAccountsCount > SuccessfulAccountsCount)), List all devices named start with prefix FC-, List Windows DefenderScanActionscompleted or Cancelled, | where ActionType in (AntivirusScanCompleted, AntivirusScanCancelled), | project Timestamp, DeviceName, ActionType,ScanType = A.ScanTypeIndex, StartedBy= A.User, | where RemoteUrl== www.advertising.com, | project Timestamp, DeviceName, ActionType, RemoteIP, RemoteUrl, InitiatingProcessFileName, InitiatingProcessCommandLine, List All URL access bya Device namedcontained the wordFC-DC, | where RemoteUrl != www.advertising.com and DeviceName contains fc-dc. If you have questions, feel free to reach me on my Twitter handle: @MiladMSFT. Some tables in this article might not be available in Microsoft Defender for Endpoint. Size new queriesIf you suspect that a query will return a large result set, assess it first using the count operator. This repo contains sample queries for Advanced hunting on Windows Defender Advanced Threat Protection. The query below uses summarize to count distinct recipient email address, which can run in the hundreds of thousands in large organizations. Parse, don't extractWhenever possible, use the parse operator or a parsing function like parse_json(). Please This document provides information about the Windows Defender ATP connector, which facilitates automated interactions with a Windows Defender ATP using FortiSOAR playbooks. Let us know if you run into any problems or share your suggestions by sending email to wdatpqueriesfeedback@microsoft.com. Deconstruct a version number with up to four sections and up to eight characters per section. 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