The results are enriched with information about the defender engine, platform version information as well as when the assessment was last conducted and when the device was last seen. Advanced Hunting uses simple query language but powerful query language that returns a rich set of data. If you get syntax errors, try removing empty lines introduced when pasting. 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 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. I highly recommend everyone to check these queries regularly. Learn more about how you can evaluate and pilot Microsoft 365 Defender. Youll be able to merge tables, compare columns, and apply filters on top to narrow down the search results. Find distinct valuesIn general, use summarize to find distinct values that can be repetitive. Specifies the packaged app would be blocked if the Enforce rules enforcement mode were enabled. Lookup process executed from binary hidden in Base64 encoded file. If a query returns no results, try expanding the time range. You can also explore a variety of attack techniques and how they may be surfaced through Advanced hunting. Avoid the matches regex string operator or the extract() function, both of which use regular expression. Once you select any additional filters Run query turns blue and you will be able to run an updated query. To prevent this from happening, use the tab feature within advanced hunting instead of separate browser tabs. "142.0.68.13","103.253.12.18","62.112.8.85", "69.164.196.21" ,"107.150.40.234","162.211.64.20","217.12.210.54", ,"89.18.27.34","193.183.98.154","51.255.167.0", ,"91.121.155.13","87.98.175.85","185.97.7.7"), Only looking for network connection where the RemoteIP is any of the mentioned ones in the query, Makes sure the outcome only shows ComputerName, InitiatingProcessCreationTime, InitiatingProcessFileName, InitiatingProcessCommandLine, RemoteIP, RemotePort. Use the summarize operator to obtain a numeric count of the values you want to chart. This event is the main Windows Defender Application Control block event for audit mode policies. Read about required roles and permissions for advanced hunting. There will be situations where you need to quickly determine if your organization is impacted by a threat that does not yet have pre-established indicators of compromise (IOC). Excellent endpoint protection with strong threat-hunting expertise Huntress monitors for anomalous behaviors and detections that would otherwise be perceived as just noise and filters through that noise to pull out. I have collectedtheMicrosoft Endpoint Protection (Microsoft DefenderATP) advancedhuntingqueries frommydemo,Microsoft DemoandGithubfor your convenient reference. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Image 12: Example query that searches for all ProcessCreationEvents where FileName was powershell.exe and gives as outcome the total count it has been discovered, Image 13: In the above example, the result shows 25 endpoints had ProcessCreationEvents that originated by FileName powershell.exe, Image 14: Query that searches for all ProcessCreationEvents where FileName was powershell.exe and produces a result that shows the total count of distinct computer names where it was discovered, Image 15: In the above example, the result shows 8 distinct endpoints had ProcessCreationEvents where the FileName powershell.exe was seen. Applied only when the Audit only enforcement mode is enabled. 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. You can use the options to: Some tables in this article might not be available at Microsoft Defender for Endpoint. The script or .msi file can't run. 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. Within the Advanced Hunting action of the Defender . Assessing the impact of deploying policies in audit mode Indicates the AppLocker policy was successfully applied to the computer. After running a query, select Export to save the results to local file. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Read about required roles and permissions for . 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. 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. Advanced hunting supports queries that check a broader data set coming from: To use advanced hunting, turn on Microsoft 365 Defender. You can get data from files in TXT, CSV, JSON, or other formats. Learn more about join hints. Now that your query clearly identifies the data you want to locate, you can define what the results look like. If nothing happens, download Xcode and try again. For detailed information about various usage parameters, read about advanced hunting quotas and usage parameters. Firewall & network protection No actions needed. A Windows Defender Application Control (WDAC) policy logs events locally in Windows Event Viewer in either enforced or audit mode. You must be a registered user to add a comment. To use advanced hunting or other Microsoft 365 Defender capabilities, you need an appropriate role in Azure Active Directory. | where RemoteIP in ("139.59.208.246","130.255.73.90","31.3.135.232". Dont worry, there are some hints along the way. To use advanced hunting or other Microsoft 365 Defender capabilities, you need an appropriate role in Azure Active Directory. Microsoft Defender for Endpoint is a market-leading platform on the market that offers vulnerability management, endpoint protection, endpoint detection and response (EDR), and mobile threat defense service. 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. Reserve the use of regular expression for more complex scenarios. This project has adopted the Microsoft Open Source Code of Conduct. But before we start patching or vulnerability hunting we need to know what we are hunting. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. Return the number of records in the input record set. Use the parsed data to compare version age. let Domain = http://domainxxx.com; DeviceNetworkEvents | where Timestamp > ago(7d) and RemoteUrl contains Domain | project Timestamp, DeviceName, RemotePort, RemoteUrl | top 100 by Timestamp desc. For more information on advanced hunting in Microsoft Defender for Cloud Apps data, see the video. Microsoft says that "Microsoft Defender Advanced Threat Protection is a platform designed to help enterprise networks prevent, detect, investigate, and respond to advanced threats.". Each table name links to a page describing the column names for that table and which service it applies to. To get meaningful charts, construct your queries to return the specific values you want to see visualized. Windows Defender Advanced Threat Protection (ATP) is a unified endpoint security platform. Access to file name is restricted by the administrator. Afterwards, the query looks for strings in command lines that are typically used to download files using PowerShell. Look forpublictheIPaddresses ofdevicesthatfailed tologonmultipletimes, using multiple accounts, and eventually succeeded. Find rows that match a predicate across a set of tables. Create calculated columns and append them to the result set. It's time to backtrack slightly and learn some basics. Produce a table that aggregates the content of the input table. Successful=countif(ActionType == LogonSuccess). The size of each pie represents numeric values from another field. You can find the original article here. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Learn more about how you can evaluate and pilot Microsoft 365 Defender. Get access. 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. 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. Whatever is needed for you to hunt! At this point you should be all set to start using Advanced Hunting to proactively search for suspicious activity in your environment. Try running these queries and making small modifications to them. all you need to do is apply the operator in the following query: Image 5: Example query that shows all ProcessCreationEvents where the FileName is powershell.exe. For more information on advanced hunting in Microsoft Defender for Cloud Apps data, see the video. This default behavior can leave out important information from the left table that can provide useful insight. 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. 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