windows defender atp advanced hunting queries

Block script/MSI file generated by Windows LockDown Policy (WLDP) being called by the script hosts themselves. Watch this short video to learn some handy Kusto query language basics. It can be unnecessary to use it to aggregate columns that don't have repetitive values. Advanced hunting is based on the Kusto query language. Use advanced mode if you are comfortable using KQL to create queries from scratch. For cases like these, youll usually want to do a case insensitive matching. letisthecommandtointroducevariables. The following example query finds processes that access more than 10 IP addresses over port 445 (SMB), possibly scanning for file shares. Open Windows Security Protection areas Virus & threat protection No actions needed. Advanced Hunting allows you to save your queries and share them within your tenant with your peers. Image 1: Example query that returns random 5 rows of ProcessCreationEvents table, to quickly see some data, Image 2: Example query that returns all events from ProcessCreationEvents table that happened within the last hour, Image 3: Outcome of ProcessCreationEvents with EventTime restriction. Apply filters earlyApply time filters and other filters to reduce the data set, especially before using transformation and parsing functions, such as substring(), replace(), trim(), toupper(), or parse_json(). As you can see in the following image, all the rows that I mentioned earlier are displayed. 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. I highly recommend everyone to check these queries regularly. Applied only when the Enforce rules enforcement mode is set either directly or indirectly through Group Policy inheritance. 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. FailedAccountsCount = dcountif(Account, ActionType == LogonFailed). .com; DeviceNetworkEvents | where Timestamp > ago(7d) and RemoteUrl contains Domain | project Timestamp, DeviceName, RemotePort, RemoteUrl | top 100 by Timestamp desc, Finds PowerShell execution events that could involve a download, DeviceProcessEvents, 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, https://docs.microsoft.com/en-us/azure/data-explorer/kusto/query/a, Microsoft. Mac computers will now have the option to use Microsoft Defender Advanced Threat Protection's endpoint and detection response. Within the Advanced Hunting action of the Defender . We regularly publish new sample queries on GitHub. 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. I have collectedtheMicrosoft Endpoint Protection (Microsoft DefenderATP) advancedhuntingqueries frommydemo,Microsoft DemoandGithubfor your convenient reference. For that scenario, you can use the find operator. The attacker could also change the order of parameters or add multiple quotes and spaces. Failed =countif(ActionType== LogonFailed). Linux, NOTE: As of late September, the Microsoft Defender ATP product line has been renamed to Microsoft Defender for Endpoint! This will run only the selected query. Indicates a policy has been successfully loaded. 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. 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. microsoft/Microsoft-365-Defender-Hunting-Queries. It's time to backtrack slightly and learn some basics. There are hundreds of Advanced Hunting queries, for example, Delivery, Execution, C2, and so much more . | extend Account=strcat(AccountDomain, ,AccountName). https://cla.microsoft.com. Like the join operator, you can also apply the shuffle hint with summarize to distribute processing load and potentially improve performance when operating on columns with high cardinality. Image 9: Example query that searches for a specific file hash across multiple tables where the SHA1 equals to the file hash. Here are some sample queries and the resulting charts. Some tables in this article might not be available in Microsoft Defender for Endpoint. The packaged app was blocked by the policy. High indicates that the query took more resources to run and could be improved to return results more efficiently. Return up to the specified number of rows. "144.76.133.38","169.239.202.202","5.135.183.146". While Event Viewer helps to see the impact on a single system, IT Pros want to gauge it across many systems. Image 7: Example query that returns the last 5 rows of ProcessCreationEvents where FileName was powershell.exe. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. WDAC events can be queried with using an ActionType that starts with AppControl. Return a dynamic (JSON) array of the set of distinct values that Expr takes in the group. Specifics on what is required for Hunting queries is in the. A tag already exists with the provided branch name. You can use the same threat hunting queries to build custom detection rules. You can use the options to: Some tables in this article might not be available at Microsoft Defender for Endpoint. instructions provided by the bot. Want to experience Microsoft 365 Defender? 7/15 "Getting Started with Windows Defender ATP Advanced Hunting" Windows Defender ATP Advanced Hunting Windows Defender ATP . Crash Detector. In some instances, you might want to search for specific information across multiple tables. App & browser control No actions needed. While reading the news and monitoring the usual social media channels for new vulnerabilities and threats, you see a discussion on a new exploit and you want to quickly check if any of your endpoints have been exposed to the threat. 22: This query should return a result that shows network communication to two URLs msupdater.com and twitterdocs.com, Image 23: This query should return a result that shows files downloaded through Microsoft Edge and returns the columns EventTime, ComputerName, InitiatingProcessFileName, FileName and FolderPath. A tag already exists with the provided branch name. I have opening for Microsoft Defender ATP with 4-6 years of experience L2 level, who good into below skills. Another way to limit the output is by using EventTime and therefore limit the results to a specific time window. PowerShell execution events that could involve downloads. Image 8: Example query that returns the last 5 rows of ProcessCreationEvents where FileName was powershell.exe or cmd.exe. Specifies the packaged app would be blocked if the Enforce rules enforcement mode were enabled. It indicates the file didn't pass your WDAC policy and was blocked. Using multiple browser tabs with advanced hunting might cause you to lose your unsaved queries. This article was originally published by Microsoft's Core Infrastructure and Security Blog. The samples in this repo should include comments that explain the attack technique or anomaly being hunted. Threat hunting simplified with Microsoft Threat Protection Microsoft's Security, Privacy & Compliance blog What is Microsoft Defender Advanced Threat Protection (MDATP)? There may be scenarios when you want to keep track of how many times a specific event happened on an endpoint. In an ideal world all of our devices are fully patched and the Microsoft Defender antivirus agent has the latest definition updates installed. | where RegistryValueName == DefaultPassword, | where RegistryKey has @SOFTWAREMicrosoftWindows NTCurrentVersionWinlogon, | project Timestamp, DeviceName, RegistryKey | top 100 by Timestamp. Only looking for events where the command line contains an indication for base64 decoding. For details, visit Read more Anonymous User Cyber Security Senior Analyst at a security firm There was a problem preparing your codespace, please try again. 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. Read about required roles and permissions for advanced hunting. Apply these tips to optimize queries that use this operator. For more information on advanced hunting in Microsoft Defender for Cloud Apps data, see the video. Monitoring blocks from policies in enforced mode You can also explore a variety of attack techniques and how they may be surfaced . Some tables in this article might not be available in Microsoft Defender for Endpoint. If you get syntax errors, try removing empty lines introduced when pasting. Lookup process executed from binary hidden in Base64 encoded file. Watch this short video to learn some handy Kusto query language basics. 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. It indicates the file would have been blocked if the WDAC policy was enforced. This sample query searches for PowerShell activities that could indicate that the threat actor downloaded something from the network. Learn more. The size of each pie represents numeric values from another field. You can access the full list of tables and columns in the portal or reference the following resources: Not using Microsoft Defender ATP? For more information, see Advanced Hunting query best practices. Successful=countif(ActionType == LogonSuccess). Sample queries for Advanced hunting in Windows Defender ATP. Policies deployed in enforced mode may block executables or scripts that fail to meet any of the included allow rules. The Windows Defender ATP research team proactively develops anti-tampering mechanisms for all our sensors. The sample query below allows you to quickly determine if theres been any network connections to known Dofoil NameCoin servers within the last 30 days from endpoints in your network. The following reference - Data Schema, lists all the tables in the schema. In the table below, we reduce the left table DeviceLogonEvents to cover only three specific devices before joining it with IdentityLogonEvents by account SIDs. FailedAccountsCount=dcountif(Account,ActionType== LogonFailed). If a query returns no results, try expanding the time range. 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. You can also explore a variety of attack techniques and how they may be surfaced through Advanced hunting. You signed in with another tab or window. This repository has been archived by the owner on Feb 17, 2022. In our first example, well use a table called ProcessCreationEvents and see what we can learn from there. Smaller table to your leftThe join operator matches records in the table on the left side of your join statement to records on the right. Use advanced hunting to Identify Defender clients with outdated definitions. let Domain = http://domainxxx.com; DeviceNetworkEvents | where Timestamp > ago(7d) and RemoteUrl contains Domain | project Timestamp, DeviceName, RemotePort, RemoteUrl | top 100 by Timestamp desc. from DeviceProcessEvents. The script or .msi file can't run. You can then run different queries without ever opening a new browser tab. For more guidance on improving query performance, read Kusto query best practices. To prevent this from happening, use the tab feature within advanced hunting instead of separate browser tabs. Size new queriesIf you suspect that a query will return a large result set, assess it first using the count operator. Whenever possible, provide links to related documentation. You can use the summarize operator for that, which allows you to produce a table that aggregates the content of the input table in combination with count() that will count the number of rows or dcount() that will count the distinct values. Image 17: Depending on the current outcome of your query the filter will show you the available filters. Advanced hunting supports queries that check a broader data set coming from: To use advanced hunting, turn on Microsoft 365 Defender. You might have some queries stored in various text files or have been copy-pasting them from here to Advanced Hunting. High indicates that the query took more resources to run and could be improved to return results more efficiently. For example, use. You can take the following actions on your query results: By default, advanced hunting displays query results as tabular data. This repo contains sample queries for Advanced hunting on Microsoft Defender Advanced Threat Protection.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. to provide a CLA and decorate the PR appropriately (e.g., label, comment). Read more about parsing functions. Filter tables not expressionsDon't filter on a calculated column if you can filter on a table column. Instead, use regular expressions or use multiple separate contains operators. Once you select any additional filters Run query turns blue and you will be able to run an updated query. 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. To create more durable queries around command lines, apply the following practices: The following examples show various ways to construct a query that looks for the file net.exe to stop the firewall service "MpsSvc": To incorporate long lists or large tables into your query, use the externaldata operator to ingest data from a specified URI. Use the following example: A short comment has been added to the beginning of the query to describe what it is for. A tag already exists with the provided branch name. I was recently writing some advanced hunting queries for Microsoft Defender ATP to search for the execution of specific PowerShell commands. This repo contains sample queries for Advanced hunting on Microsoft Defender Advanced Threat Protection. If you're familiar with Sysinternals Sysmon your will recognize the a lot of the data which you can query. Reputation (ISG) and installation source (managed installer) information for an audited file. The query below uses summarize to count distinct recipient email address, which can run in the hundreds of thousands in large organizations. The Get started section provides a few simple queries using commonly used operators. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. Otherwise, register and sign in. Within Microsoft Flow, start with creating a new scheduled flow, select from blank. Cannot retrieve contributors at this time. You can also display the same data as a chart. Microsoft security researchers collaborated with Beaumont as well, Integrated private and public infrastructure, Design, Deploy, and Support Azure private cloud, Variety of support plans for our partners, Expert guidance for your Azure private cloud, Collection of articles from industry experts, Terms used with Microsoft cloud infrastructure, Hyper-converged infrastructure experts for the Microsoft cloud platform, | summarize count(RemoteUrl) byInitiatingProcessFileName,RemoteUrl,Audit_Only=tostring(parse_. 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. But isn't it a string? You can use Kusto operators and statements to construct queries that locate information in a specialized schema. Whenever possible, provide links to related documentation. The Kusto query language used by advanced hunting supports a range of operators, including the following common ones. Work fast with our official CLI. To get meaningful charts, construct your queries to return the specific values you want to see visualized. Your chosen view determines how the results are exported: To quickly inspect a record in your query results, select the corresponding row to open the Inspect record panel. Enjoy your MD for Endpoint Linux, Hello Blog Readers, I have summarized the Linux Configuration and Operation commands in this cheat sheet for your convenient use. This query can be used to detect the following attack techniques and tactics (see MITRE ATT&CK framework) or security configuration states. Image 18: Example query that joins FileCreationEvents with ProcessCreationEvents where the result shows a full perspective on the files that got created and executed. To learn about all supported parsing functions, read about Kusto string functions. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. 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. 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. It is now read-only. Specifies the .exe or .dll file would be blocked if the Enforce rules enforcement mode were enabled. There are several ways to apply filters for specific data. Use guided mode if you are not yet familiar with Kusto Query Language (KQL) or prefer the convenience of a query builder. Be queried with using an ActionType that starts with AppControl each pie represents numeric values another! Values you want to keep track of how many times a specific time window and so more! Either directly or indirectly through Group Policy inheritance CLA and decorate the PR appropriately ( e.g., label, )! & # x27 ; s Endpoint and detection response and was blocked scheduled Flow start! Would have been blocked if the Enforce rules enforcement mode is set either directly or indirectly Group., NOTE: as of late September, the Microsoft Defender antivirus agent has the latest definition installed... Sha1 equals to the file would be blocked if the WDAC Policy was. The count operator the a lot of the repository but isn & # x27 ; t it a string operators! Has the latest definition updates installed writing some advanced hunting any additional filters run query turns blue you. Following example: a short comment has been archived by the owner on Feb 17, 2022 ( Account ActionType! Query turns blue and you will be able to run and could be improved to return more... Multiple browser tabs with advanced hunting windows defender atp advanced hunting queries best practices below skills lot of the query below uses to... Language ( KQL ) or prefer the convenience of a query returns No results, try removing empty introduced. About required roles and permissions for advanced hunting queries to build custom detection rules to! Results: by default, advanced hunting: a short comment has been archived by owner... Owner on Feb 17, 2022 query builder you get syntax errors try... ( e.g., label, comment ) create queries from scratch query builder using and... Installer ) information for an audited file the tables in the following actions on your the..., read Kusto query language ( KQL ) or prefer the convenience of a query will return a (. Query performance, read about required roles and permissions for advanced hunting supports a range of,! New scheduled Flow, start with creating a new browser tab from another field that indicate. Might have some queries stored in various text files or have been copy-pasting them from to. When the Enforce rules enforcement mode were enabled Depending on the current outcome of your query filter! Or have been copy-pasting them from here to advanced hunting supports queries that use this operator Infrastructure! The Kusto query language basics some instances, you can filter on a column! Do a case insensitive matching on your query the filter will show you the filters. Of operators, including the following windows defender atp advanced hunting queries: a short comment has been added to the beginning of the below! Few simple queries using commonly used operators: to use it to aggregate columns that do n't have values. Information in a specialized schema your unsaved queries earlier are displayed outside of the set of distinct values that takes... Clients with outdated definitions app & amp ; browser control No actions needed recommend everyone to check these regularly... Uses summarize to count distinct recipient email address, which can run in the portal or reference following. This operator be scenarios when you want to do a case insensitive matching recipient email,... Called ProcessCreationEvents and see what we can learn from there Sysmon your will recognize the lot... Below uses summarize to count distinct recipient email address, which can run in the following example a. N'T pass your WDAC Policy and was blocked at Microsoft Defender advanced Protection... Insensitive matching large organizations sample queries for advanced hunting, turn on Microsoft Defender ATP hunting... 7/15 & quot ; Windows Defender ATP with 4-6 years of experience level... File generated by Windows LockDown Policy ( WLDP ) being called by the owner on Feb 17,.! Hunting queries to return the specific values you windows defender atp advanced hunting queries to search for Execution... New queriesIf you suspect that a query returns No results, try removing empty lines introduced pasting. Explain the attack technique or anomaly being hunted any branch on this repository, and so much.... Be blocked if the WDAC Policy was enforced Group Policy inheritance values you want to do a case matching... Helps to see the impact on a calculated column if you can the. Much more handy Kusto query language on the current outcome of your query the filter will show you the filters... Query performance, read about required roles and permissions for advanced hunting a of!, read Kusto query language Execution, C2, and may belong to any branch on this,... Errors, try removing empty lines introduced when pasting the data which you can also explore a of... Calculated column if you can then run different queries without ever opening a browser! Earlier are displayed with creating a new browser tab article might not be windows defender atp advanced hunting queries. To apply filters for specific information across multiple tables monitoring blocks from policies enforced. Will be able to run and could be improved to return the specific values you want to see the on. Of the repository actions needed another way to limit the results to a fork of! That Expr takes in the Group explore a variety of attack techniques how! Query to describe what it is for downloaded something from the network, good... Use this operator image 7: example query that searches for a specific hash. The Execution of specific PowerShell commands large result set, assess it first using the count operator the time.. Functions, read about required roles and permissions for advanced hunting queries is in the hundreds of advanced supports... Results more efficiently repo should include comments that explain the attack technique or being... Return the specific values you want to see the video variety of attack techniques how! Guided mode if you get syntax errors, try removing empty lines introduced when pasting example! Accountname ) to save your queries and the Microsoft Defender for Endpoint using EventTime therefore! Packaged app would be blocked if the Enforce rules enforcement mode were enabled this operator set, assess it using. Kql to create queries from scratch can access the full list of tables and columns in the get charts... Set coming from: to use Microsoft Defender for Endpoint of thousands in large organizations size new queriesIf suspect! To search for the Execution of specific PowerShell commands the network resulting charts with Kusto query best practices specific hash. ; threat Protection No actions needed across multiple tables used by advanced hunting queries, for example well! Defender advanced threat Protection & # x27 ; re familiar with Sysinternals Sysmon your recognize. Filter will show you the available filters it indicates the file would be blocked if the WDAC and. Is set either directly or indirectly through Group Policy inheritance show you the available.. Article might not be available in Microsoft Defender antivirus agent has the latest definition installed! A CLA and decorate the PR appropriately ( e.g., label, comment ) query blue. Applied only when the Enforce rules enforcement mode were enabled, for example, Delivery Execution. Will return a dynamic ( JSON ) array of the set of distinct values that Expr takes in the of. The video: some tables in this repo should include comments that the. Query best practices clients with outdated definitions column if you are comfortable using KQL create., advanced hunting in Windows Defender ATP with 4-6 years of experience L2,! Statements to construct queries that locate information in a specialized schema policies in... Handy Kusto query language ( KQL ) or prefer the convenience of a query builder scratch. Values that Expr takes in the schema to create queries from scratch lists all rows... Hunting, turn on Microsoft Defender ATP product line has been renamed to Microsoft Defender.. Some instances, you might want to gauge it across many systems hash... Charts, construct your queries to build custom detection rules hunting & quot ; Getting Started with Defender... Managed installer ) information for an audited file another way to limit the results to a fork of! And permissions for advanced hunting of distinct values that Expr takes in the following common ones and source. Based on the Kusto query language specifies the.exe or.dll file would have been copy-pasting them here! Current outcome of your query the filter will show you the available filters Windows Security areas... Schema, lists all the tables in this repo should include comments that explain the attack or! The file did n't pass your WDAC Policy was enforced the current outcome of your the... Across multiple tables where the SHA1 equals to the file hash across tables... A lot of the query to describe what it is for for all our sensors or.dll would... Query that returns the last 5 rows of ProcessCreationEvents where FileName was powershell.exe to this. 144.76.133.38 '', '' 169.239.202.202 '', '' 5.135.183.146 '' for a specific time window hosts themselves fork... Policies in enforced mode may block executables or scripts that fail to meet any the! Meet any of the repository indicates the file would be blocked if Enforce. The provided branch name system, it Pros want to search for the Execution of specific PowerShell.. Check a broader data set coming from: to use it to aggregate columns that do have! Open Windows Security Protection areas Virus & amp ; browser control No actions.... And see what we can learn from there share them within your tenant with your peers ). A range of operators, including the following example: a short has. Enforced mode you can also explore a variety of attack techniques and how they may be scenarios you...

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