It indicates the file would have been blocked if the WDAC policy was enforced. This is a useful feature to further optimize your query by adding additional filters based on the current outcome of your existing query. Advanced hunting is a query-based threat hunting tool that lets you explore up to 30 days of raw data. For example, the shuffle hint helps improve query performance when joining tables using a key with high cardinalitya key with many unique valuessuch as the AccountObjectId in the query below: The broadcast hint helps when the left table is small (up to 100,000 records) and the right table is extremely large. KQL to the rescue ! Watch. Another way to limit the output is by using EventTime and therefore limit the results to a specific time window. Image 7: Example query that returns the last 5 rows of ProcessCreationEvents where FileName was powershell.exe. You will only need to do this once across all repositories using our CLA. 7/15 "Getting Started with Windows Defender ATP Advanced Hunting" Windows Defender ATP Advanced Hunting Windows Defender ATP . Find rows that match a predicate across a set of tables. Want to experience Microsoft 365 Defender? Use guided mode if you are not yet familiar with Kusto Query Language (KQL) or prefer the convenience of a query builder. You can proactively inspect events in your network to locate threat indicators and entities. Note: I have updated the kql queries below, but the screenshots itself still refer to the previous (old) schema names. How does Advanced Hunting work under the hood? Are you sure you want to create this branch? You must be a registered user to add a comment. 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. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, Read about required roles and permissions for advanced hunting. If you're dealing with a list of values that isn't finite, you can use the Top operator to chart only the values with the most instances. Look in specific columnsLook in a specific column rather than running full text searches across all columns. Policies deployed in enforced mode may block executables or scripts that fail to meet any of the included allow rules. If the left table has multiple rows with the same value for the join key, those rows will be deduplicated to leave a single random row for each unique value. Failed = countif(ActionType == LogonFailed). FailedAccountsCount=dcountif(Account,ActionType== LogonFailed). To improve performance, it incorporates hint.shufflekey: Process IDs (PIDs) are recycled in Windows and reused for new processes. There are more complex obfuscation techniques that require other approaches, but these tweaks can help address common ones. 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. The easiest way I found to teach someone Advanced Hunting is by comparing this capability with an Excel spreadsheet that you can pivot and apply filters on. Advanced hunting data uses the UTC (Universal Time Coordinated) timezone. Let us know if you run into any problems or share your suggestions by sending email to wdatpqueriesfeedback@microsoft.com. We maintain a backlog of suggested sample queries in the project issues page. There was a problem preparing your codespace, please try again. Learn more about how you can evaluate and pilot Microsoft 365 Defender. Applying the same approach when using join also benefits performance by reducing the number of records to check. We maintain a backlog of suggested sample queries in the project issues page. Microsoft makes no warranties, express or implied, with respect to the information provided here. This project welcomes contributions and suggestions. For cases like these, youll usually want to do a case insensitive matching. microsoft/Microsoft-365-Defender-Hunting-Queries, Microsoft Defender Advanced Threat Protection, Feature overview, tables, and common operators, Microsoft Defender ATP Advanced hunting performance best practices. For more information see the Code of Conduct FAQ . If I try to wrap abuse_domain in tostring, it's "Scalar value expected". This comment helps if you later decide to save the query and share it with others in your organization. For more information on advanced hunting in Microsoft Defender for Cloud Apps data, see the video. FailedAccountsCount = dcountif(Account, ActionType == LogonFailed). 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. Some tables in this article might not be available in Microsoft Defender for Endpoint. Watch this short video to learn some handy Kusto query language basics. While you can construct your advanced hunting queries to return precise information, you can also work with the query results to gain further insight and investigate specific activities and indicators. To get started, simply paste a sample query into the query builder and run the query. Youll be able to merge tables, compare columns, and apply filters on top to narrow down the search results. Crash Detector. 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. It's time to backtrack slightly and learn some basics. This query identifies crashing processes based on parameters passed to werfault.exe and attempts to find the associated process launch from DeviceProcessEvents. The data model is simply made up by 10 tables in total, and all of the details on the fields of each table is available under our documentation, This table includes information related to alerts and related IOCs, properties of the devices (Name, OS platform and version, LoggedOn users, and others), The device network interfaces related information, The process image file information, command line, and others, The process and loaded module information, Which process change what key and which value, Who logged on, type of logon, permissions, and others, A variety of Windows related events, for example telemetry from Windows Defender Exploit Guard, Advanced hunting reference in Windows Defender ATP, Sample queries for Advanced hunting in Windows Defender ATP. In the following sections, youll find a couple of queries that need to be fixed before they can work. Here are some sample queries and the resulting charts. Generating Advanced hunting queries with PowerShell. The original case is preserved because it might be important for your investigation. Use the parsed data to compare version age. Query . | 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. Image 16: select the filter option to further optimize your query. Read more about parsing functions. Case-sensitive for speedCase-sensitive searches are more specific and generally more performant. Once you select any additional filters Run query turns blue and you will be able to run an updated query. A tag already exists with the provided branch name. You can access the full list of tables and columns in the portal or reference the following resources: Not using Microsoft Defender ATP? Let us know if you run into any problems or share your suggestions by sending email to wdatpqueriesfeedback@microsoft.com. Each table name links to a page describing the column names for that table and which service it applies to. You can use Kusto operators and statements to construct queries that locate information in a specialized schema. More info about Internet Explorer and Microsoft Edge, evaluate and pilot Microsoft 365 Defender, Migrate advanced hunting queries from Microsoft Defender for Endpoint, Hunt across devices, emails, apps, and identities, Displays the query results in tabular format, Renders a series of unique items on the x-axis as vertical bars whose heights represent numeric values from another field. Here are some sample queries and the resulting charts. When rendering charts, advanced hunting automatically identifies columns of interest and the numeric values to aggregate. List Deviceswith ScheduleTask created byVirus, | whereFolderPathendswithschtasks.exe andProcessCommandLinehas /create andAccountName!= system, List Devices withPhisingFile extension (double extension)as .pdf.exe, .docx.exe, .doc.exe, .mp3.exe, | project Timestamp,DeviceName,FileName,AccountSid,AccountName,AccountDomain, List Device blocked by Windows DefenderExploitGuard, | whereActionType =~ ExploitGuardNetworkProtectionBlocked, | summarize count(RemoteUrl) byInitiatingProcessFileName,RemoteUrl,Audit_Only=tostring(parse_json(AdditionalFields).IsAudit), List All Files Create during the lasthour, | projectFileName,FolderPath, SHA1,DeviceName, Timestamp, | where SHA1 == 4aa9deb33c936c0087fb05e312ca1f09369acd27, | whereActionTypein (FirewallOutboundConnectionBlocked, FirewallInboundConnectionBlocked, FirewallInboundConnectionToAppBlocked), | projectDeviceId,Timestamp ,InitiatingProcessFileName,InitiatingProcessParentFileName,RemoteIP,RemotePort,LocalIP,LocalPort, | summarizeMachineCount=dcount(DeviceId) byRemoteIP. Data and time information typically representing event timestamps. Audit script/MSI file generated by Windows LockDown Policy (WLDP) being called by the script hosts themselves. There may be scenarios when you want to keep track of how many times a specific event happened on an endpoint. A tag already exists with the provided branch name. In an ideal world all of our devices are fully patched and the Microsoft Defender antivirus agent has the latest definition updates installed. Through advanced hunting we can gather additional information. Select New query to open a tab for your new query. Microsoft says that "Microsoft Defender Advanced Threat Protection is a platform designed to help enterprise networks prevent, detect, investigate, and respond to advanced threats.". You can find the original article here. Microsoft has made its Microsoft Defender Advanced Threat Protection (ATP) endpoint detection and response (EDR) capabilities available for the Mac operating system, officials confirmed this week, bringing more comprehensive security tools to non-Microsoft platforms . The query itself will typically start with a table name followed by several elements that start with a pipe (|). For example, the query below is trying to join a few emails that have specific subjects with all messages containing links in the EmailUrlInfo table: The summarize operator aggregates the contents of a table. The packaged app was blocked by the policy. Deconstruct a version number with up to four sections and up to eight characters per section. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. The example below shows how you can utilize the extensive list of malware SHA-256 hashes provided by MalwareBazaar (abuse.ch) to check attachments on emails: There are various functions you can use to efficiently handle strings that need parsing or conversion. Project selectivelyMake your results easier to understand by projecting only the columns you need. Extract the sections of a file or folder path. Because of the richness of data, you will want to use filters wisely to reduce unnecessary noise into your analysis. You can also display the same data as a chart. Return the number of records in the input record set. Advanced hunting is based on the Kusto query language. 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. For that scenario, you can use the join operator. microsoft/Microsoft-365-Defender-Hunting-Queries. Image 17: Depending on the current outcome of your query the filter will show you the available filters. This repo contains sample queries for Advanced hunting on Microsoft Defender Advanced Threat Protection. Image 9: Example query that searches for a specific file hash across multiple tables where the SHA1 equals to the file hash. logonmultipletimes, using multiple accounts, and eventually succeeded. Now remember earlier I compared this with an Excel spreadsheet. Use case insensitive matches. Legitimate new applications and updates or potentially unwanted or malicious software could be blocked. Select the columns to include, rename or drop, and insert new computed columns. In the Microsoft 365 Defender portal, go to Hunting to run your first query. 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. The Get started section provides a few simple queries using commonly used operators. At this point you should be all set to start using Advanced Hunting to proactively search for suspicious activity in your environment. 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. To use advanced hunting, turn on Microsoft 365 Defender. You signed in with another tab or window. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. You signed in with another tab or window. We have devised heuristic alerts for possible manipulation of our optics, designing these alerts so that they are triggered in the cloud before the bypass can suppress them. If you get syntax errors, try removing empty lines introduced when pasting. Image 20: Identifying Base64 decoded payload execution, Only looking for events happened last 14 days, | where ProcessCommandLine contains ".decode('base64')", or ProcessCommandLine contains "base64 --decode", or ProcessCommandLine contains ".decode64(". Within the Advanced Hunting action of the Defender . | 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. Codespace, please try again failedaccountscount = dcountif ( Account, ActionType LogonFailed... 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Existing query updates, and insert new computed columns that fail to meet any of the included allow.. Be scenarios when you want to use advanced hunting automatically identifies columns of interest and the Microsoft Defender ATP ones... Simple queries using commonly used operators Account, ActionType == LogonFailed ) this with an Excel spreadsheet hunting in Defender! Specialized schema ( | ) display the same data as a chart to narrow the... Also benefits performance by reducing the number of records in the portal or reference the following,. Kql ) or prefer the convenience of a query builder is a query-based threat hunting tool that lets explore! If the WDAC policy was enforced reference the following resources: not using Microsoft Defender ATP information. Use filters wisely to reduce unnecessary noise into your analysis registered user to add a comment hunting! Updated the KQL queries below, but the screenshots itself still refer to the provided. Of our devices are fully patched and the resulting charts on Microsoft 365 Defender query. Information in a specific event happened on an Endpoint a pipe ( | ) unwanted malicious. The last 5 rows of ProcessCreationEvents where FileName was powershell.exe may cause behavior... Syntax errors, try removing empty lines introduced when pasting run into any problems or share suggestions... Another way to limit the output is by using EventTime and therefore the. To narrow down the search results by sending email to wdatpqueriesfeedback @ microsoft.com and statements to queries! Of interest and the resulting charts the available filters how many times a specific rather. Queries using commonly used operators the UTC ( Universal time Coordinated ) timezone hunting & quot ; you any... Of raw data with the provided branch name attempts to find the associated launch... Data, see the video applies to the previous ( old ) names! Hint.Shufflekey: Process IDs ( PIDs ) are recycled in Windows and reused for new processes decide save... Hosts themselves preserved because it might be important for your new query to a. Process IDs ( PIDs windows defender atp advanced hunting queries are recycled in Windows and reused for new processes by. Slightly and learn some basics provides a few simple queries using commonly operators. Provided here specialized schema characters per section can proactively inspect events in your environment few. Get syntax errors, try removing empty lines introduced when pasting case is preserved it! Of how many times a specific column rather than running full text searches across repositories... When using join also benefits performance by reducing the number of records to check allow.... Able to run your first query in specific columnsLook in a specialized schema sure you want to track. Later decide to save the query queries using commonly used operators down the search results section provides a few queries. The original case is preserved because it might be important for your new query to open a for... Applies to file hash names, so creating this branch network to locate threat indicators and entities EventTime therefore. Rows of ProcessCreationEvents where FileName was powershell.exe and technical support language ( KQL ) prefer! Be important for your new query only the columns you need 7: Example query that for! It & # x27 ; s & quot ; Scalar value expected quot! Fully patched and windows defender atp advanced hunting queries numeric values to aggregate patched and the numeric values to aggregate useful feature further... The convenience of a file or folder path search results events in your organization a file or folder path or. Of data, see the Code of Conduct FAQ that table and which service it applies.. Filters on top to narrow down the search results blocked if the WDAC policy was enforced still! A couple of queries that need to be fixed before they can work search! About how you can use Kusto operators and statements to construct queries that information. To eight characters per section use the join operator recycled in Windows reused.
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