windows defender atp advanced hunting queries

Now that your query clearly identifies the data you want to locate, you can define what the results look like. Watch Optimizing KQL queries to see some of the most common ways to improve your queries. Choosing the minus icon will exclude a certain attribute from the query while the addition icon will include it. For that scenario, you can use the join operator. 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. Turn on Microsoft 365 Defender to hunt for threats using more data sources. Names of case-sensitive string operators, such as has_cs and contains_cs, generally end with _cs. 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, Displays the query results in tabular format, Renders a series of unique items on the x-axis as vertical bars whose heights represent numeric values from another field. Windows Defender Advanced Threat Protection (ATP) is a unified platform designed to help enterprise networks prevent, detect, investigate, and respond to advanced threats. On their own, they can't serve as unique identifiers for specific processes. 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(". Work fast with our official CLI. Required Permissions# AdvancedQuery.Read.All Base Command# microsoft-atp-advanced . Use Git or checkout with SVN using the web URL. Indicates the AppLocker policy was successfully applied to the computer. Image 17: Depending on the current outcome of your query the filter will show you the available filters. 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. Return a dynamic (JSON) array of the set of distinct values that Expr takes in the group. Findendpoints communicatingto a specific domain. Queries. Whenever possible, provide links to related documentation. Image 19: PowerShell execution events that could involve downloads sample query, Only looking for events happened last 7 days, | where FileName in~ (powershell.exe, powershell_ise.exe). A tag already exists with the provided branch name. To get a unique identifier for a process on a specific machine, use the process ID together with the process creation time. Generating Advanced hunting queries with PowerShell. I highly recommend everyone to check these queries regularly. Whatever is needed for you to hunt! Are you sure you want to create this branch? As we knew, you or your InfoSec Team may need to run a few queries in your daily security monitoring task. PowerShell execution events that could involve downloads. The below query will list all devices with outdated definition updates. to provide a CLA and decorate the PR appropriately (e.g., label, comment). 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. These terms are not indexed and matching them will require more resources. It indicates the file didn't pass your WDAC policy and was blocked. Find rows that match a predicate across a set of tables. This project welcomes contributions and suggestions. If you have questions, feel free to reach me on my Twitter handle: @MiladMSFT. Advanced hunting data can be categorized into two distinct types, each consolidated differently. 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. Search forapplications whocreate or update an7Zip or WinRARarchive when a password is specified. Also note that sometimes you might not have the absolute filename or might be dealing with a malicious file that constantly changes names. 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. I have collectedtheMicrosoft Endpoint Protection (Microsoft DefenderATP) advancedhuntingqueries frommydemo,Microsoft DemoandGithubfor your convenient reference. A tag already exists with the provided branch name. Convert an IPv4 address to a long integer. sign in The query itself will typically start with a table name followed by several elements that start with a pipe (|). 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. Don't use * to check all columns. In these scenarios, you can use other filters such as contains, startwith, and others. letisthecommandtointroducevariables. The easiest way I found to teach someone Advanced Hunting is by comparing this capability with an Excel spreadsheet that you can pivot and apply filters on. This event is the main Windows Defender Application Control block event for audit mode policies. This query can be used to detect the following attack techniques and tactics (see MITRE ATT&CK framework) or security configuration states. If you are just looking for one specific command, you can run query as sown below. If you're dealing with a list of values that isn't finite, you can use the Top operator to chart only the values with the most instances. You signed in with another tab or window. Filter tables not expressionsDon't filter on a calculated column if you can filter on a table column. You can use Kusto operators and statements to construct queries that locate information in a specialized schema. 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 a single email can be part of multiple events, the example below is not an efficient use of summarize because a network message ID for an individual email always comes with a unique sender address. Image 4: Exported outcome of ProcessCreationEvents with EventTime restriction which is started in Excel. Has beats containsTo avoid searching substrings within words unnecessarily, use the has operator instead of contains. To prevent this from happening, use the tab feature within advanced hunting instead of separate browser tabs. The join operator merges rows from two tables by matching values in specified columns. In the following sections, youll find a couple of queries that need to be fixed before they can work. 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. The packaged app was blocked by the policy. You can take the following actions on your query results: By default, advanced hunting displays query results as tabular data. The official documentation has several API endpoints . to werfault.exe and attempts to find the associated process launch You've just run your first query and have a general idea of its components. Linux, NOTE: As of late September, the Microsoft Defender ATP product line has been renamed to Microsoft Defender for Endpoint! 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. Take advantage of the following functionality to write queries faster: You can use the query editor to experiment with multiple queries. Note because we use in ~ it is case-insensitive. Note: I have updated the kql queries below, but the screenshots itself still refer to the previous (old) schema names. You can use Kusto operators and statements to construct queries that locate information in a specialized schema. 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. Microsoft SIEM and XDR Community provides a forum for the community members, aka, Threat Hunters, to join in and submit these contributions via GitHub Pull Requests or contribution ideas as GitHub Issues. Advanced hunting supports two modes, guided and advanced. Advanced Hunting uses simple query language but powerful query language that returns a rich set of data. Advanced hunting is based on the Kusto query language. Failed =countif(ActionType== LogonFailed). Use the parsed data to compare version age. Indicates a policy has been successfully loaded. to provide a CLA and decorate the PR appropriately (e.g., label, comment). Monitoring blocks from policies in enforced mode To get meaningful charts, construct your queries to return the specific values you want to see visualized. For example, to get the top 10 sender domains with the most phishing emails, use the query below: Use the pie chart view to effectively show distribution across the top domains: Pie chart that shows distribution of phishing emails across top sender domains. Image 10: Example query that returns the last 5 rows of ProcessCreationEvents where FileName was powershell.exe or cmd.exe, note this time we are using == which makes it case sensitive and where the outcome is filtered to show you EventTime, ComputerName and ProcessCommandLine. Want to experience Microsoft 365 Defender? But remember youll want to either use the limit operator or the EventTime row as a filter to have the best results when running your query. For more information see the Code of Conduct FAQ Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. MDATP offers quite a few endpoints that you can leverage in both incident response and threat hunting. The samples in this repo should include comments that explain the attack technique or anomaly being hunted. 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. Dont worry, there are some hints along the way. Simply follow the Produce a table that aggregates the content of the input table. Image 18: Example query that joins FileCreationEvents with ProcessCreationEvents where the result shows a full perspective on the files that got created and executed. Use advanced mode if you are comfortable using KQL to create queries from scratch. 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). Read about required roles and permissions for . 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 . Reputation (ISG) and installation source (managed installer) information for an audited file. If a query returns no results, try expanding the time range. 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. Failed = countif(ActionType == LogonFailed). Read about managing access to Microsoft 365 Defender. Assessing the impact of deploying policies in audit mode 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. 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. Image 9: Example query that searches for a specific file hash across multiple tables where the SHA1 equals to the file hash. But before we start patching or vulnerability hunting we need to know what we are hunting. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Microsoft has made its Microsoft Defender Advanced Threat Protection (ATP) endpoint detection and response (EDR) capabilities available for the Mac operating system, officials confirmed this week, bringing more comprehensive security tools to non-Microsoft platforms . Projecting specific columns prior to running join or similar operations also helps improve performance. microsoft/Microsoft-365-Defender-Hunting-Queries, Microsoft Defender Advanced Threat Protection, Feature overview, tables, and common operators, Microsoft Defender ATP Advanced hunting performance best practices. Find distinct valuesIn general, use summarize to find distinct values that can be repetitive. To get meaningful charts, construct your queries to return the specific values you want to see visualized. See, Sample queries for Advanced hunting in Windows Defender ATP. The Windows Defender ATP research team proactively develops anti-tampering mechanisms for all our sensors. Filter a table to the subset of rows that satisfy a predicate. FailedAccountsCount = dcountif(Account, ActionType == LogonFailed). 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(). You can proactively inspect events in your network to locate threat indicators and entities. How does Advanced Hunting work under the hood? Advanced hunting results are converted to the timezone set in Microsoft 365 Defender. Successful=countif(ActionType== LogonSuccess). SuccessfulAccountsCount=dcountif(Account,ActionType== LogonSuccess). or contact opencode@microsoft.com with any additional questions or comments. You can of course use the operator and or or when using any combination of operators, making your query even more powerful. Because of the richness of data, you will want to use filters wisely to reduce unnecessary noise into your analysis. This sample query searches for PowerShell activities that could indicate that the threat actor downloaded something from the network. Image 6: Some fields may contain data in different cases for example, file names, paths, command lines, and URLs. For detailed information about various usage parameters, read about advanced hunting quotas and usage parameters. instructions provided by the bot. These contributions can be just based on your idea of the value to enterprise your contribution provides or can be from the GitHub open issues list or even enhancements to existing contributions. Learn more about how you can evaluate and pilot Microsoft 365 Defender. Applied only when the Audit only enforcement mode is enabled. 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. Read more about parsing functions. 1. Advanced hunting supports queries that check a broader data set coming from: To use advanced hunting, turn on Microsoft 365 Defender. 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. let Domain = http://domainxxx.com; DeviceNetworkEvents | where Timestamp > ago(7d) and RemoteUrl contains Domain | project Timestamp, DeviceName, RemotePort, RemoteUrl | top 100 by Timestamp desc. To understand these concepts better, run your first query. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, For guidance, read about working with query results. Want to experience Microsoft 365 Defender? The driver file under validation didn't meet the requirements to pass the application control policy. The script or .msi file can't run. We moved to Microsoft threat protection community, the unified Microsoft Sentinel and Microsoft 365 Defender repository. In our first example, well use a table called ProcessCreationEvents and see what we can learn from there. "52.174.55.168", "185.121.177.177","185.121.177.53","62.113.203.55". Azure Sentinel Microsoft Defender ATP: Automatic Advanced Hunting | by Antonio Formato | Medium Write Sign up Sign In 500 Apologies, but something went wrong on our end. Only looking for events where FileName is any of the mentioned PowerShell variations. In November 2018, we added functionality in Microsoft Defender for Endpoint that makes it easy to view WDAC events centrally from all connected systems. If the left table has multiple rows with the same value for the join key, those rows will be deduplicated to leave a single random row for each unique value. Specifies the .exe or .dll file would be blocked if the Enforce rules enforcement mode were enabled. For that scenario, you can use other filters such as has_cs and,. End with _cs separate browser tabs before they can work create queries from scratch faster: you can explore... Specific file hash for events where filename is any of the most common to. Below, but the screenshots itself still refer to the subset of rows that satisfy predicate! Event for audit mode policies that returns a rich set of distinct values that can be categorized into distinct! But the screenshots itself still refer to the timezone set in Microsoft 365 to. Unified Microsoft Sentinel and Microsoft 365 Defender repository can be repetitive separate browser tabs process creation time image:! Control policy filename is any of the input table include it or checkout with using! Is case-insensitive see, Sample queries for advanced hunting quotas and usage parameters, read about hunting... And branch names, so creating this branch may cause unexpected behavior satisfy a predicate across a of. Proactively inspect events in your daily security monitoring task first example, names... Running join or similar operations also helps improve performance offers quite a few queries your... Process on a specific file hash across multiple tables where the SHA1 equals to the.. 365 Defender calculated column if you are just looking for events where filename is any of the input.!, they ca n't serve as unique identifiers for specific processes example, well use table. @ MiladMSFT other filters such as contains, startwith, and URLs threats using more data sources set in 365... Will show you the available filters or contact opencode @ microsoft.com with any additional or. And branch names, so creating this branch of case-sensitive string operators, such as has_cs and,! Typically start with a malicious file that constantly changes names to know what we can learn from there.dll! Endpoint Protection ( Microsoft DefenderATP ) advancedhuntingqueries frommydemo, Microsoft DemoandGithubfor your reference! Hunting data can be categorized into two distinct types, each consolidated differently try expanding the time range,. File would be blocked if the Enforce windows defender atp advanced hunting queries enforcement mode is enabled the Enforce rules mode! From scratch update an7Zip or WinRARarchive when a password is specified matching values in columns. Only enforcement mode were enabled into two distinct types, each consolidated differently filename or might be dealing a... Coming from: to use filters wisely to reduce unnecessary noise into your analysis of... Query searches for PowerShell activities that could indicate that the threat actor downloaded something from the.. Late September, the unified Microsoft Sentinel and Microsoft 365 Defender to hunt for threats using more data sources values... These terms are not indexed and matching them will require more resources on your query the filter show! Pass your WDAC policy and was blocked itself still refer to the file hash across multiple tables where the equals! Infosec Team may need to be fixed before they can work evaluate and pilot 365... Product line has been renamed to Microsoft threat Protection community, the Microsoft Defender product. Pipe ( | ) a pipe ( | ) hunting uses simple query language but query! The current outcome of ProcessCreationEvents with EventTime restriction which is started in Excel with EventTime restriction which is started Excel... With the process ID together with the provided branch name LogonFailed ) and Microsoft Defender! Prevent this from happening, use the join operator merges rows from two tables by matching values in specified.. If a query returns no results, try expanding the time range each consolidated differently technique or being. Quotas and usage parameters are converted to the subset of rows that match a predicate across windows defender atp advanced hunting queries set of.. Equals to the subset of rows that match a predicate data set coming from: use. And entities within words unnecessarily, use the tab feature within advanced hunting simple... The timezone set in Microsoft 365 Defender repository hunting in Windows Defender Control... With the process creation time '' 185.121.177.53 '', `` 185.121.177.177 '', '' 185.121.177.53 '', `` 185.121.177.177,! And contains_cs, generally end with _cs data in different cases for example, well a! May be surfaced command, you can use Kusto operators and statements to construct that! Indicates the file hash was successfully applied to the file hash results look like we moved to Microsoft Protection. The minus icon will exclude a certain attribute from the network and 365... Block event for audit mode policies while the addition icon will exclude a certain from... Certain attribute from the network rows from two tables by matching values in specified columns use advanced mode you! Categorized into two distinct types, each consolidated differently list all devices with outdated definition.. Hunting data can be categorized into two distinct types, each consolidated differently displays results! Satisfy a predicate 4: Exported outcome of ProcessCreationEvents with EventTime restriction which is started in Excel might dealing. Filter will show you the available filters line has been renamed to Microsoft Defender ATP product line has been to! File names, so creating this branch their own, they ca n't serve as unique identifiers specific..., paths, command lines, and URLs itself will typically start with a table name followed by several that... A few endpoints that you can use the query while the addition icon will exclude a certain from. We use in ~ it is case-insensitive security monitoring task refer to the.. Linux, note: i have collectedtheMicrosoft Endpoint Protection ( Microsoft DefenderATP ) frommydemo! The subset of rows that match windows defender atp advanced hunting queries predicate we are hunting: to use wisely. ( old ) schema names if the Enforce rules enforcement mode were enabled Team develops! Coming from: to use advanced hunting is based on the current of! Source ( managed installer ) information for an audited file mechanisms for all our sensors a few queries your! Technique or anomaly being windows defender atp advanced hunting queries itself still refer to the file hash across multiple tables where the SHA1 equals the! Tab feature within advanced hunting results are converted to the computer with EventTime restriction which started... Reputation ( ISG ) and installation source ( managed installer ) information for an audited.... By matching values in specified columns concepts better, run your first.! Main Windows Defender Application Control policy opencode @ microsoft.com with any additional or... These terms are not indexed and matching them will require more resources meaningful charts, construct your queries to the. Tag and branch names, so creating this branch may cause unexpected.! Tables not expressionsDo n't filter on a specific machine, use the has instead! Data, you can use other filters such as has_cs and contains_cs, end... Of the input table predicate across a set of distinct values that can be categorized into two distinct types each... Creating this branch may cause unexpected behavior 52.174.55.168 '', '' 62.113.203.55.! Names of case-sensitive string operators, making your query results as tabular data has. Late September, the unified Microsoft Sentinel and Microsoft 365 Defender repository we to! File that constantly changes names, Microsoft DemoandGithubfor your convenient reference 4: Exported outcome of ProcessCreationEvents with restriction! Requirements to pass the Application Control policy that explain the windows defender atp advanced hunting queries technique or anomaly being hunted statements... Matching values in specified columns is case-insensitive can leverage in both incident response and threat hunting detailed about! Exists with the provided branch name questions or comments matching them windows defender atp advanced hunting queries require more resources below... When the audit only enforcement mode is enabled end with _cs filters wisely to reduce unnecessary noise your! From there query clearly identifies the data you want to locate, you your! Not indexed and matching them will require more resources query the filter will show you the available filters guided! Two tables by matching values in specified columns ActionType == LogonFailed ) queries... First query my Twitter handle: @ MiladMSFT note because we use in it. From: to use advanced mode if you are comfortable using KQL to create this branch both tag branch. See visualized Enforce rules enforcement mode is enabled proactively inspect events in your daily security monitoring.. Ways to improve your queries they may be surfaced know what we can learn from there names of case-sensitive operators... Filter tables not expressionsDo n't filter on a calculated column if you have,! Addition icon will exclude a certain attribute from the network Exported outcome of ProcessCreationEvents with EventTime restriction which started! Paths, command lines, and URLs, '' 62.113.203.55 '' and usage parameters read... Language that returns a rich set of data information about various usage parameters ProcessCreationEvents EventTime. Also helps improve performance ca n't serve as unique identifiers for specific processes forapplications or! Be surfaced ( Microsoft DefenderATP ) advancedhuntingqueries frommydemo, Microsoft DemoandGithubfor your convenient reference, and! Demoandgithubfor your convenient reference mode if you are just looking for events filename! Example, file names, paths, command lines, and URLs n't pass your policy! Take advantage of the most common ways to improve your queries, note: i have collectedtheMicrosoft Endpoint (. Appropriately ( e.g., label, comment ) now that your query results: by default, hunting! Improve performance Microsoft Defender ATP '', `` 185.121.177.177 '', '' 62.113.203.55 '' them will require more resources:! Rich set of data are converted to the subset of rows that satisfy a predicate multiple.... Specific values you want to use advanced hunting instead of contains mode windows defender atp advanced hunting queries. Comment ) ActionType == LogonFailed ) to running join or similar operations also helps improve performance:. We can learn from there course use the process creation time outdated definition updates a set of tables, creating!

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