Learn about string operators. Learn more about how you can evaluate and pilot Microsoft 365 Defender. logonmultipletimes, using multiple accounts, and eventually succeeded. to provide a CLA and decorate the PR appropriately (e.g., label, comment). Finds PowerShell execution events that could involve a download. To use advanced hunting, turn on Microsoft 365 Defender. Windows Defender Advanced Threat Protection (ATP) is a unified platform designed to help enterprise networks prevent, detect, investigate, and respond to advanced threats. You have to cast values extracted . Such combinations are less distinct and are likely to have duplicates. Legitimate new applications and updates or potentially unwanted or malicious software could be blocked. For example, the following advanced hunting query finds recent connections to Dofoil C&C servers from your network. or contact opencode@microsoft.com with any additional questions or comments. One 3089 event is generated for each signature of a file. Signing information event correlated with either a 3076 or 3077 event. For example, the query below will only show one email containing a particular attachment, even if that same attachment was sent using multiple emails messages: To address this limitation, we apply the inner-join flavor by specifying kind=inner to show all rows in the left table with matching values in the right: Join records from a time windowWhen investigating security events, analysts look for related events that occur around the same time period. 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. 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. 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've already registered, sign in. https://cla.microsoft.com. Whatever is needed for you to hunt! Take advantage of the following functionality to write queries faster: You can use the query editor to experiment with multiple queries. 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 query summarizes by both InitiatingProcessId and InitiatingProcessCreationTime so that it looks at a single process, without mixing multiple processes with the same process ID. 7/15 "Getting Started with Windows Defender ATP Advanced Hunting" Windows Defender ATP Advanced Hunting Windows Defender ATP . project returns specific columns, and top limits the number of results. Filter tables not expressionsDon't filter on a calculated column if you can filter on a table column. In either case, the Advanced hunting queries report the blocks for further investigation. Want to experience Microsoft 365 Defender? Enjoy Linux ATP run! 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. A Windows Defender Application Control (WDAC) policy logs events locally in Windows Event Viewer in either enforced or audit mode. Use limit or its synonym take to avoid large result sets. | where RegistryValueName == DefaultPassword, | where RegistryKey has @SOFTWAREMicrosoftWindows NTCurrentVersionWinlogon, | project Timestamp, DeviceName, RegistryKey | top 100 by Timestamp. No three-character termsAvoid comparing or filtering using terms with three characters or fewer. We value your feedback. to provide a CLA and decorate the PR appropriately (e.g., label, comment). There are numerous ways to construct a command line to accomplish a task. It is now read-only. Case-sensitive for speedCase-sensitive searches are more specific and generally more performant. Going beyond these tactics though, you can use advanced hunting in Windows Defender ATP to identify users, machines, and types of devices that are being used suspiciously, as in the following example: . You can use the same threat hunting queries to build custom detection rules. letisthecommandtointroducevariables. For that scenario, you can use the join operator. To use advanced hunting or other Microsoft 365 Defender capabilities, you need an appropriate role in Azure Active Directory. This project welcomes contributions and suggestions. If nothing happens, download Xcode and try again. When you master it, you will master Advanced Hunting! Projecting specific columns prior to running join or similar operations also helps improve performance. 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. If a query returns no results, try expanding the time range. Look in specific columnsLook in a specific column rather than running full text searches across all columns. For details, visit Also note that sometimes you might not have the absolute filename or might be dealing with a malicious file that constantly changes names. For this scenario you can use the project operator which allows you to select the columns youre most interested in. 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. Whenever possible, provide links to related documentation. Threat Hunting The hunting capatibilities in WD ATP involves running queries and you're able to query almost everything which can happen in the Operating System. After running a query, select Export to save the results to local file. These rules run automatically to check for and then respond to suspected breach activity, misconfigured machines, and other findings. 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. Generating Advanced hunting queries with PowerShell. This way you can correlate the data and dont have to write and run two different queries. But isn't it a string? For detailed information about various usage parameters, read about advanced hunting quotas and usage parameters. To improve performance, it incorporates hint.shufflekey: Process IDs (PIDs) are recycled in Windows and reused for new processes. This document provides information about the Windows Defender ATP connector, which facilitates automated interactions with a Windows Defender ATP using FortiSOAR playbooks. Data and time information typically representing event timestamps. Are you sure you want to create this branch? Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. For more information on advanced hunting in Microsoft Defender for Cloud Apps data, see the video. Specifies the packaged app would be blocked if the Enforce rules enforcement mode were enabled. This query can be used to detect the following attack techniques and tactics (see MITRE ATT&CK framework) or security configuration states. Only looking for events where the command line contains an indication for base64 decoding. The following reference - Data Schema, lists all the tables in the schema. I have opening for Microsoft Defender ATP with 4-6 years of experience L2 level, who good into below skills. The Kusto query language used by advanced hunting supports a range of operators, including the following common ones. See, Sample queries for Advanced hunting in Windows Defender ATP. At this point you should be all set to start using Advanced Hunting to proactively search for suspicious activity in your environment. For example, use. Image 7: Example query that returns the last 5 rows of ProcessCreationEvents where FileName was powershell.exe. Search forapplications whocreate or update an7Zip or WinRARarchive when a password is specified. microsoft/Microsoft-365-Defender-Hunting-Queries. You can use Kusto operators and statements to construct queries that locate information in a specialized schema. 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). The query itself will typically start with a table name followed by several elements that start with a pipe (|). 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(". This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. This comment helps if you later decide to save the query and share it with others in your organization. A Windows Defender Application Control (WDAC) policy logs events locally in Windows Event Viewer in either enforced or audit mode. I was recently writing some advanced hunting queries for Microsoft Defender ATP to search for the execution of specific PowerShell commands. It indicates the file didn't pass your WDAC policy and was blocked. We are using =~ making sure it is case-insensitive. 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. 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