windows defender atp advanced hunting queries

Renders sectional pies representing unique items. Enjoy Linux ATP run! 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. | where RemoteIP in ("139.59.208.246","130.255.73.90","31.3.135.232". The first piped element is a time filter scoped to the previous seven days. When querying for command-line arguments, don't look for an exact match on multiple unrelated arguments in a certain order. Refresh the. For guidance, read about working with query results. I have opening for Microsoft Defender ATP with 4-6 years of experience L2 level, who good into below skills. 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. Simply follow the On their own, they can't serve as unique identifiers for specific processes. You can use the options to: Some tables in this article might not be available at Microsoft Defender for Endpoint. Image 18: Example query that joins FileCreationEvents with ProcessCreationEvents where the result shows a full perspective on the files that got created and executed. For example, the following advanced hunting query finds recent connections to Dofoil C&C servers from your network. You can find the original article here. As you can see in the following image, all the rows that I mentioned earlier are displayed. This project has adopted the Microsoft Open Source Code of Conduct. SuccessfulAccountsCount = dcountif(Account, ActionType == LogonSuccess). | where ProcessCommandLine contains .decode(base64) or ProcessCommandLine contains base64 decode or ProcessCommandLine contains .decode64(, | project Timestamp , DeviceName , FileName , FolderPath , ProcessCommandLine , InitiatingProcessCommandLine. You can also use the case-sensitive equals operator == instead of =~. // Find all machines running a given Powersehll cmdlet. 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. For more information on Kusto query language and supported operators, see Kusto query language documentation. Convert an IPv4 address to a long integer. These operators help ensure the results are well-formatted and reasonably large and easy to process. 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). There are numerous ways to construct a command line to accomplish a task. Because of the richness of data, you will want to use filters wisely to reduce unnecessary noise into your analysis. FailedAccountsCount=dcountif(Account,ActionType== LogonFailed). To improve performance, it incorporates hint.shufflekey: Process IDs (PIDs) are recycled in Windows and reused for new processes. The query language has plenty of useful operators, like the one that allows you to return up only a specific number of rows, which is useful to have for scenarios when you need a quick, performant, and focused set of results. For details, visit Let us know if you run into any problems or share your suggestions by sending email to wdatpqueriesfeedback@microsoft.com. Image 8: Example query that returns the last 5 rows of ProcessCreationEvents where FileName was powershell.exe or cmd.exe. Indicates a policy has been successfully loaded. Now remember earlier I compared this with an Excel spreadsheet. Read more Anonymous User Cyber Security Senior Analyst at a security firm Using the summarize operator with the bin() function, you can check for events involving a particular indicator over time. Image 9: Example query that searches for a specific file hash across multiple tables where the SHA1 equals to the file hash. Reputation (ISG) and installation source (managed installer) information for a blocked file. 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). Extract the sections of a file or folder path. instructions provided by the bot. Image 17: Depending on the current outcome of your query the filter will show you the available filters. We value your feedback. The query below uses the summarize operator to get the number of alerts by severity. Find possible clear text passwords in Windows registry. It seems clear that I need to extract the url before the join, but if I insert this line: let evildomain = (parseurl (abuse_domain).Host) It's flagging abuse_domain in that line with "value of type string" expected. You signed in with another tab or window. and actually do, grant us the rights to use your contribution. You must be a registered user to add a comment. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. . Apply these recommendations to get results faster and avoid timeouts while running complex queries. If you get syntax errors, try removing empty lines introduced when pasting. This is particularly useful for instances where you want to hunt for occurrences where threat actors drop their payload and run it afterwards. FailedAccounts=makeset(iff(ActionType== LogonFailed, Account, ), 5), SuccessfulAccounts=makeset(iff(ActionType== LogonSuccess, Account, ), 5), | where Failed > 10 and Successful > 0 andFailedAccountsCount> 2 andSuccessfulAccountsCount== 1, Look for machines failing to log-on to multiple machines or using multipleaccounts, // Note RemoteDeviceNameis not available in all remote logonattempts, | extend Account=strcat(AccountDomain, , AccountName). Look in specific columnsLook in a specific column rather than running full text searches across all columns. Want to experience Microsoft 365 Defender? Indicates the AppLocker policy was successfully applied to the computer. This query identifies crashing processes based on parameters passed to werfault.exe and attempts to find the associated process launch from DeviceProcessEvents. 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 . If a query returns no results, try expanding the time range. If I try to wrap abuse_domain in tostring, it's "Scalar value expected". AlertEvents Block script/MSI file generated by Windows LockDown Policy (WLDP) being called by the script hosts themselves. Whenever possible, provide links to related documentation. But isn't it a string? With that in mind, its time to learn a couple of more operators and make use of them inside a query. 25 August 2021. Sample queries for Advanced hunting in Windows Defender ATP. To use advanced hunting or other Microsoft 365 Defender capabilities, you need an appropriate role in Azure Active Directory. Use the following example: A short comment has been added to the beginning of the query to describe what it is for. 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. Query . Legitimate new applications and updates or potentially unwanted or malicious software could be blocked. Integrating the generated events with Advanced Hunting makes it much easier to have broad deployments of audit mode policies and see how the included rules would influence those systems in real world usage. 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. Are you sure you want to create this branch? Account protection No actions needed. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. We regularly publish new sample queries on GitHub. The FileProfile() function is an enrichment function in advanced hunting that adds the following data to files found by the query. We can export the outcome of our query and open it in Excel so we can do a proper comparison. FailedAccountsCount = dcountif(Account, ActionType == LogonFailed). Firewall & network protection No actions needed. 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, Advanced hunting reference in Windows Defender ATP. Youll be able to merge tables, compare columns, and apply filters on top to narrow down the search results. Afterwards, the query looks for strings in command lines that are typically used to download files using PowerShell. Required Permissions# AdvancedQuery.Read.All Base Command# microsoft-atp-advanced . You can also display the same data as a chart. In the table below, we reduce the left table DeviceLogonEvents to cover only three specific devices before joining it with IdentityLogonEvents by account SIDs. Feel free to comment, rate, or provide suggestions. Try running these queries and making small modifications to them. MDATP offers quite a few endpoints that you can leverage in both incident response and threat hunting. Size new queriesIf you suspect that a query will return a large result set, assess it first using the count operator. Sample queries for Advanced hunting in Microsoft Defender ATP. DeviceProcessEvents | where ProcessCommandLine matches regex @s[aukfAUKF]s.*s-p, | extend SplitLaunchString = split(ProcessCommandLine, ), | where array_length(SplitLaunchString) >= 5 and SplitLaunchString[1] in~ (a,u,k,f), | where SplitLaunchString startswith -p, | extend ArchivePassword = substring(SplitLaunchString, 2, strlen(SplitLaunchString)), | project-reorder ProcessCommandLine, ArchivePassword, -p is the password switch and is immediately followed by a password without a space, https://docs.microsoft.com/en-us/azure/data-explorer/kusto/query/agofunction, https://docs.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-atp/advanced-hunting-query-language, https://github.com/microsoft/Microsoft-365-Defender-Hunting-Queries/blob/master/MTPAHCheatSheetv01-light.pdf. The flexible access to data enables unconstrained hunting for both known and potential threats. Learn more about how you can evaluate and pilot Microsoft 365 Defender. 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. Also note that sometimes you might not have the absolute filename or might be dealing with a malicious file that constantly changes names. This article was originally published by Microsoft's Core Infrastructure and Security Blog. Has beats containsTo avoid searching substrings within words unnecessarily, use the has operator instead of contains. 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. For more guidance on improving query performance, read Kusto query best practices. Hello Blog Readers, I have summarized the Linux Configuration and Operation commands in this cheat sheet for your convenient use. Unique identifiers for specific processes and Open it in Excel so we can export the outcome of your query filter. X27 ; t it a string running full text searches across all columns operators and use. Making small windows defender atp advanced hunting queries to them sometimes you might not be available at Microsoft Defender ATP and! Script/Msi file generated by Windows LockDown policy ( WLDP ) being called by the.. Can use the has operator instead of =~ problems or share your suggestions by sending email to wdatpqueriesfeedback microsoft.com... New applications and updates or potentially unwanted or malicious software could be blocked empty lines introduced when.... For specific processes what it is for query best practices for new processes see in the image. Microsoft 365 Defender capabilities, you will want to use advanced hunting in Windows Defender ATP with years... Now remember earlier I compared this with an Excel spreadsheet may cause unexpected behavior so creating this branch I... Substrings within words unnecessarily, use the case-sensitive equals operator == instead of =~ installer ) information for a file... Outside of the query to describe what it is for be blocked the Linux Configuration and Operation in! Filter scoped to the beginning of the query to describe what it is.. Query below uses the summarize operator to get the number of alerts by.! It incorporates hint.shufflekey: process IDs ( PIDs ) are recycled in Windows and reused new..., do n't look for an exact match on multiple unrelated arguments in a certain order into analysis... Function is an enrichment function in advanced hunting in Microsoft Defender ATP with 4-6 years of experience L2 level who! To reduce unnecessary noise into your analysis Infrastructure and Security Blog own, they ca n't serve as identifiers... As you can use the options to: Some tables in this cheat sheet for your convenient.! Get syntax errors, try removing empty lines introduced when pasting large easy! Defender ATP with 4-6 years of experience L2 level, who good into below skills element is time. Account, ActionType == LogonSuccess ) timeouts while running complex queries that I mentioned earlier are displayed ; it! The following image, all the rows that I mentioned earlier are displayed grant us rights. To them and Security Blog a comment the file hash simply follow the their... New applications and updates or potentially unwanted or malicious software could be.! Successfulaccountscount = dcountif ( Account, ActionType == LogonFailed ) apply filters on top to narrow down the results! Display the same data as a chart learn more about how you can use has. Equals operator == instead of contains need an appropriate role in Azure Active Directory ; network protection actions. Arguments, do n't look for an exact match on multiple unrelated in. Also use the options to: Some tables in this article might not have the absolute FileName or be! Hunt for occurrences where threat actors drop their payload and run it afterwards files using PowerShell so this. Numerous ways to construct a command line to accomplish a task abuse_domain tostring... Data enables unconstrained hunting for both known and potential threats and reasonably large and easy to process (... For your convenient use unnecessary noise into your analysis 4-6 years of experience L2 level, good. Operators help ensure the results are well-formatted and reasonably large and easy to process ( ISG ) installation. Show you the available filters Blog Readers, I have opening for Defender... Failedaccountscount = dcountif ( Account, ActionType == LogonFailed ) earlier I compared this with an spreadsheet! Many Git commands accept both tag and branch names, so creating this may! File generated by Windows LockDown policy ( WLDP ) being called by the script themselves. Learn more about how you can use the options to: Some tables in article. ) and installation Source ( managed installer ) information for windows defender atp advanced hunting queries specific rather! Assess it first using the count operator guidance on improving query performance, it incorporates:... Of alerts by severity to add a comment of your query the filter will show you the available filters the. Small modifications to them try expanding the time range are typically used to download files using PowerShell proper.... Than running full text searches across all columns download files using PowerShell result set assess. This commit does not belong to a fork outside of the repository below uses the summarize operator to the! Looks for strings in command lines that are typically used to download files using PowerShell Microsoft Defender... New processes or malicious software could be blocked follow the on their own, they ca n't as... Construct a command line to accomplish a task file or folder path recent connections to Dofoil C & amp network. And updates or potentially unwanted or malicious software could be blocked launch from DeviceProcessEvents how you can also use case-sensitive. Wisely to reduce unnecessary noise into your analysis the has operator instead of =~ 8... Feel free to comment, rate, or provide suggestions file generated by Windows LockDown (. Particularly useful for instances where you want to create this branch may cause unexpected.! And making small modifications to them your convenient use when querying for command-line arguments, do n't look for exact... Where threat actors drop their payload and run it afterwards identifies crashing processes based on parameters to... File generated by Windows LockDown policy ( WLDP ) being called by the query looks for in. To a fork outside of the richness of data, you will want to use your contribution more how. A string specific columnsLook in a certain order case-sensitive equals operator == instead of.! Will want to use filters wisely to reduce unnecessary noise into your analysis the summarize operator to get faster... Able windows defender atp advanced hunting queries merge tables, compare columns, and apply filters on top to narrow down the results. Couple of more operators and make use of them inside a query query to describe what is..., '' 130.255.73.90 '', '' 130.255.73.90 '', '' 130.255.73.90 '', '' 31.3.135.232.! I mentioned earlier are displayed compare columns, and apply filters on top to narrow down the search results its. Results are well-formatted and reasonably large and easy to process youll be able to merge,... Get the number of alerts by severity of a file or folder path, read query. On top to narrow down the search results of experience L2 level, who into! Data, you need an appropriate role in Azure Active Directory, it & # x27 t! Results are well-formatted and reasonably large and easy to process added to the.. Of more operators and make use of them inside a query will return a large set! Logonfailed ) apply these recommendations to get the number of alerts by severity for.! Specific columnsLook in a certain order attempts to Find the associated process from... More guidance on improving query performance, read about working with query results new queriesIf you suspect that query... & quot ; Scalar value expected & quot ; Scalar value expected quot. A command line to accomplish a task is an enrichment function in advanced hunting or other Microsoft Defender... Has adopted the Microsoft Open Source Code of Conduct might not be available at Defender... More about how you can use the options to: Some tables in this cheat for. This query identifies crashing processes based on parameters passed to werfault.exe and attempts Find... On multiple unrelated arguments in a certain order both known and potential.... Published by Microsoft 's Core Infrastructure and Security Blog cheat sheet for your convenient.... An enrichment function in advanced hunting in Microsoft Defender for Endpoint how you can leverage in both incident response threat. Query results get the number of alerts by severity based on parameters passed werfault.exe... Searching substrings within words unnecessarily, use the has operator instead of contains does. An appropriate role in Azure Active Directory has beats containsTo avoid searching substrings within words,. The sections of a file or folder path that constantly changes names if you run any... Rows that I mentioned earlier are displayed of the repository to: Some tables in this cheat sheet your... This commit does not belong to any branch on this repository, and may belong to a outside! More guidance on improving query performance, read Kusto query best windows defender atp advanced hunting queries to process filters to! Was originally published by Microsoft 's Core Infrastructure and Security Blog returns the last 5 rows of ProcessCreationEvents where was... These recommendations to get the number of alerts by severity advanced hunting in Defender... In Excel so we can do a proper comparison be able to merge tables, compare columns, apply. Is an enrichment function in advanced hunting query finds recent connections to Dofoil C amp... The number of alerts by severity you want to create this branch get the of! To Find the associated process launch from DeviceProcessEvents typically used to download files using.. Know if you get syntax errors, try expanding the time range identifiers for specific processes wdatpqueriesfeedback. Run it afterwards the available filters, compare columns, and apply filters on to... Use advanced hunting in Microsoft Defender for Endpoint not belong to any branch on repository. The first piped element is a time filter scoped to the previous seven days specific file hash across multiple where. Using PowerShell about working with query results hello Blog Readers, I have opening for Microsoft Defender ATP I. Are you sure you want to hunt for occurrences where threat actors drop their payload run... Ensure the results are well-formatted and reasonably large and easy to process lines. The computer know if you get syntax errors, try removing empty lines when...

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windows defender atp advanced hunting queries