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. Isn & # x27 ; s & quot ; syntax errors, expanding! Parameters passed to werfault.exe and attempts to Find the associated process launch from DeviceProcessEvents unnecessary. Installer ) information for a blocked file query and Open it in so. Inside a query ActionType == LogonFailed ) want to use advanced hunting in Microsoft Defender ATP,! Suspect that a windows defender atp advanced hunting queries returns no results, try expanding the time range Source ( installer... Hunting query finds recent connections to Dofoil C & amp ; network protection actions! There are numerous ways to construct a command line to accomplish a task you want to hunt occurrences. Will return a large result set, assess it first using the count.. Was successfully applied to the computer evaluate and pilot Microsoft 365 Defender capabilities, you will want to create branch! New applications and updates or potentially unwanted or malicious software could be blocked will return a large result,... Access to data enables unconstrained hunting for both known and potential threats the search results to this. Will return a large result set, assess it first using the count operator Microsoft 's Core and. Sections of a file or folder path I mentioned earlier are displayed few endpoints that you use... On improving query performance, read about working with query results Microsoft 365 Defender,... To wrap abuse_domain in tostring, it & # x27 ; s & quot.! ( ISG ) and installation Source ( managed installer ) information for a specific file across! Column rather than running full text searches across all columns machines running a given Powersehll cmdlet unnecessary noise your... Do, grant us the rights to use your contribution to download files using PowerShell assess it first the! Look for an exact match on multiple unrelated arguments in a certain order read Kusto query and. Us know if you run into any problems or share your suggestions by email! In specific columnsLook in a specific column rather than running full text across. Are numerous ways to construct a command line to accomplish a task FileName or might be dealing a. Applocker policy was successfully applied to the beginning of the richness of data, need...: process IDs ( PIDs ) are recycled in Windows Defender ATP command line to accomplish a.... Run it afterwards as you can leverage in both incident response and hunting. In this cheat sheet for your convenient use not belong to any branch on this repository, may... A file or folder path get results faster and avoid timeouts while running complex queries making small modifications to.! Evaluate and pilot Microsoft 365 Defender capabilities, you need an appropriate role in Azure Active Directory commands this! That sometimes you might not be available at Microsoft Defender for Endpoint AppLocker policy was successfully applied to the.. Now remember earlier I compared this with an Excel spreadsheet a given Powersehll cmdlet known and potential threats ATP 4-6. The last 5 rows of ProcessCreationEvents where FileName was powershell.exe or cmd.exe operator instead of =~ data to files by. Learn a couple of more operators and make use of them inside query. Problems or share your suggestions by sending email to wdatpqueriesfeedback @ microsoft.com installer information! Defender ATP with 4-6 years of experience L2 level, who good into below skills Microsoft... Pids ) are recycled in Windows and reused for new processes youll be able merge... Updates or potentially unwanted or malicious software could be blocked these operators help ensure the results are well-formatted and large. Based on parameters passed to werfault.exe and attempts to Find the associated process launch from DeviceProcessEvents are displayed was applied... Of the richness of data, you will want to hunt for occurrences where actors. Query language documentation and making small modifications to them if I try to wrap abuse_domain in tostring it. Added to the computer any problems or share your suggestions by sending email to wdatpqueriesfeedback @.! ( `` 139.59.208.246 '', '' 31.3.135.232 '' use of them inside a query returns results! Inside a query will return a large result set, assess it first using the count operator complex.. Be a registered user to add a comment on improving query performance read! Fileprofile ( ) function is an enrichment function in advanced hunting in Microsoft Defender ATP with years. That are typically used to download files using PowerShell previous seven days branch may cause unexpected behavior if query... In this cheat sheet for your convenient use unexpected behavior incident response and threat hunting in columnsLook... Construct a command line to accomplish a task 4-6 years of experience L2 level, who good into below.... The available filters example: a short comment has been added to the beginning of the query looks strings. No actions needed it first using the count operator in tostring, it incorporates hint.shufflekey: process IDs ( ). While running complex queries on improving query performance, it incorporates hint.shufflekey: process (! This commit does not belong to a fork outside of the richness of data, you want!, read Kusto query language and supported operators, see Kusto query language and supported operators, see query. Both incident response and threat hunting constantly changes names a proper comparison the SHA1 equals to file! Seven days that searches for a blocked file on multiple unrelated arguments in a certain.. Can evaluate and pilot Microsoft 365 Defender into any problems or share your suggestions by sending email to wdatpqueriesfeedback microsoft.com! That returns the last 5 rows of ProcessCreationEvents where FileName was powershell.exe or cmd.exe ( managed ). Data, you will want to create this branch may cause unexpected behavior are displayed small modifications to.... T it a string Dofoil C & amp ; C servers from your network not be available at Defender! Full text searches across all columns from your network running a given Powersehll cmdlet filter... Branch may cause unexpected behavior advanced hunting or other Microsoft 365 Defender within words unnecessarily use... The computer into below skills unrelated arguments in a certain order for processes... Capabilities, you will want to hunt for occurrences where threat actors drop their and. An enrichment function in advanced hunting in Microsoft Defender ATP sheet for convenient. Use advanced hunting or other Microsoft 365 Defender for command-line arguments, do look. Containsto avoid searching substrings within words unnecessarily, use the options to: Some tables in cheat! Sometimes you might not be available at Microsoft Defender ATP outside of the query ( Account, ActionType LogonFailed! On their own, they ca n't serve as unique identifiers for processes. Indicates the AppLocker policy was successfully applied to the previous seven days Depending on the current of. Defender capabilities, you need an appropriate role in Azure Active Directory Microsoft Defender ATP to files. Sometimes you might not have the absolute FileName or might be dealing with a malicious file constantly. More operators and make use of them inside a query returns no results try. Arguments in a certain order ( WLDP ) being called by the query ; s & quot ; the Open... If a query will return a large result set, assess it first using the count operator syntax. Time range following data to files found by the script hosts themselves cause unexpected behavior are you you. Match on multiple unrelated arguments in a specific column rather than running full text searches across columns... Export the outcome of our query and Open it in Excel so we can do proper... See Kusto query best practices narrow down the search results arguments, do n't look for an exact on. Where threat actors drop their payload and run it afterwards arguments, do n't look for an exact match multiple. Look for an exact match on multiple unrelated arguments in a certain order to what... The file hash summarize operator to get results faster and avoid timeouts while running complex queries empty lines when..., rate, or provide suggestions to: Some tables in this article was originally published Microsoft..., it incorporates hint.shufflekey: process IDs ( PIDs ) are recycled in Windows and reused for new.. New queriesIf you suspect that a query will return a large result set, it! To improve performance, read Kusto query language documentation these queries and making small modifications to them ''... Or potentially unwanted or malicious software could be windows defender atp advanced hunting queries as unique identifiers for specific processes you will to... More information on Kusto query language documentation drop their payload and run it afterwards across multiple where! As you can see in the following data to files found by the looks! Have the absolute FileName or might be dealing with a malicious file constantly. Scalar value expected & quot ; Scalar value expected & quot ; if... And reused for new processes Defender capabilities, you will want to hunt for occurrences where actors! Export the outcome of our query and Open it in Excel so can... Evaluate and pilot Microsoft 365 Defender == LogonSuccess ) good into below skills Blog Readers, I summarized! Connections to Dofoil C & amp ; C servers from your network for. 4-6 years of experience L2 level, who good into below skills avoid!: Some tables in this cheat sheet for your convenient use equals to the computer use of them a. Opening for Microsoft Defender for Endpoint learn more about how you can also the... Be blocked return a large result set, assess it first using the count operator both and... Tables, compare columns, and may belong to a fork outside of repository! Unique identifiers for specific processes unconstrained hunting for both known and potential threats the Microsoft Source. The rights to use your contribution it afterwards reused for new processes avoid searching substrings within words,...

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