Names of case-sensitive string operators, such as has_cs and contains_cs, generally end with _cs. The first piped element is a time filter scoped to the previous seven days. Let us know if you run into any problems or share your suggestions by sending email to wdatpqueriesfeedback@microsoft.com. 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. 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(". Microsoft 365 Defender repository for Advanced Hunting. This query identifies crashing processes based on parameters passed to werfault.exe and attempts to find the associated process launch from DeviceProcessEvents. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. The packaged app was blocked by the policy. Watch this short video to learn some handy Kusto query language basics. microsoft/Microsoft-365-Defender-Hunting-Queries. To mitigate command-line obfuscation techniques, consider removing quotes, replacing commas with spaces, and replacing multiple consecutive spaces with a single space. This query identifies crashing processes based on parameters passed We are continually building up documentation about Advanced hunting and its data schema. Lets break down the query to better understand how and why it is built in this way. As with any other Excel sheet, all you really need to understand is where, and how, to apply filters, to get the information youre looking for. Please Applied only when the Audit only enforcement mode is enabled. Successful=countif(ActionType == LogonSuccess). to provide a CLA and decorate the PR appropriately (e.g., label, comment). Queries. Turn on Microsoft 365 Defender to hunt for threats using more data sources. 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. Excellent endpoint protection with strong threat-hunting expertise Huntress monitors for anomalous behaviors and detections that would otherwise be perceived as just noise and filters through that noise to pull out. Applies to: Microsoft 365 Defender. Create calculated columns and append them to the result set. Image 4: Exported outcome of ProcessCreationEvents with EventTime restriction which is started in Excel. 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. A tag already exists with the provided branch name. If you are just looking for one specific command, you can run query as sown below. // Find all machines running a given Powersehll cmdlet. Learn more about how you can evaluate and pilot Microsoft 365 Defender. In addition, construct queries that adhere to the published Microsoft Defender ATP Advanced hunting performance best practices. 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. You have to cast values extracted . If you haven't yet, experience how you can effectively scale your organization's incident response capabilities by signing up for a free Microsoft Defender ATP trial. You can get data from files in TXT, CSV, JSON, or other formats. This project welcomes contributions and suggestions. The samples in this repo should include comments that explain the attack technique or anomaly being hunted. We value your feedback. Select the three dots to the right of any column in the Inspect record panel. 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. Take advantage of the following functionality to write queries faster: You can use the query editor to experiment with multiple queries. 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. 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. 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. The Windows Defender ATP advanced hunting feature, which is currently in preview, can be used to hunt down more malware samples that possibly abuse NameCoin servers. AlertEvents Advanced hunting supports two modes, guided and advanced. To use multiple queries: For a more efficient workspace, you can also use multiple tabs in the same hunting page. Legitimate new applications and updates or potentially unwanted or malicious software could be blocked. Going beyond these tactics though, you can use advanced hunting in Windows Defender ATP to identify users, machines, and types of devices that are being used suspiciously, as in the following example: . As you can see in the following image, all the rows that I mentioned earlier are displayed. File was allowed due to good reputation (ISG) or installation source (managed installer). 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. In the table below, we reduce the left table DeviceLogonEvents to cover only three specific devices before joining it with IdentityLogonEvents by account SIDs. Otherwise, register and sign in. Find distinct valuesIn general, use summarize to find distinct values that can be repetitive. Windows Security Windows Security is your home to view anc and health of your dev ce. Hello Blog Readers, I have summarized the Linux Configuration and Operation commands in this cheat sheet for your convenient use. Avoid the matches regex string operator or the extract() function, both of which use regular expression. Reserve the use of regular expression for more complex scenarios. 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. If a query returns no results, try expanding the time range. You can then run different queries without ever opening a new browser tab. A tag already exists with the provided branch name. Advanced hunting is based on the Kusto query language. You signed in with another tab or window. Watch Optimizing KQL queries to see some of the most common ways to improve your queries. Account protection No actions needed. Device security No actions needed. Depending on its size, each tenant has access to a set amount of CPU resources allocated for running advanced hunting queries. You can easily combine tables in your query or search across any available table combination of your own choice. In this example, we start by creating a union of two tables, DeviceProcessEvents and DeviceNetworkEvents, and add piped elements as needed. Read about required roles and permissions for . The query below uses summarize to count distinct recipient email address, which can run in the hundreds of thousands in large organizations. Learn more about how you can evaluate and pilot Microsoft 365 Defender. To get started, simply paste a sample query into the query builder and run the query. Size new queriesIf you suspect that a query will return a large result set, assess it first using the count operator. FailedComputerCount = dcountif(DeviceName, ActionType == LogonFailed), SuccessfulComputerCount = dcountif(DeviceName, ActionType == LogonSuccess), ((FailedComputerCount > 100 and FailedComputerCount > SuccessfulComputerCount) or, (FailedAccountsCount > 100 and FailedAccountsCount > SuccessfulAccountsCount)), List all devices named start with prefix FC-, List Windows DefenderScanActionscompleted or Cancelled, | where ActionType in (AntivirusScanCompleted, AntivirusScanCancelled), | project Timestamp, DeviceName, ActionType,ScanType = A.ScanTypeIndex, StartedBy= A.User, | where RemoteUrl== www.advertising.com, | project Timestamp, DeviceName, ActionType, RemoteIP, RemoteUrl, InitiatingProcessFileName, InitiatingProcessCommandLine, List All URL access bya Device namedcontained the wordFC-DC, | where RemoteUrl != www.advertising.com and DeviceName contains fc-dc. This repo contains sample queries for Advanced hunting on Microsoft Defender Advanced Threat Protection. Look in specific columnsLook in a specific column rather than running full text searches across all columns. You can take the following actions on your query results: By default, advanced hunting displays query results as tabular data. You can also explore a variety of attack techniques and how they may be surfaced . SuccessfulAccountsCount=dcountif(Account,ActionType== LogonSuccess). There are more complex obfuscation techniques that require other approaches, but these tweaks can help address common ones. 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 . These operators help ensure the results are well-formatted and reasonably large and easy to process. Required Permissions# AdvancedQuery.Read.All Base Command# microsoft-atp-advanced . Learn more about the Understanding Application Control event IDs (Windows), Query Example 1: Query the application control action types summarized by type for past seven days. If nothing happens, download GitHub Desktop and try again. Dofoil is a sophisticated threat that attempted to install coin miner malware on hundreds of thousands of computers in March, 2018. Some information relates to prereleased product which may be substantially modified before it's commercially released. The results are enriched with information about the defender engine, platform version information as well as when the assessment was last conducted and when the device was last seen. For example, an attacker could reference an image file without a path, without a file extension, using environment variables, or with quotes. 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. Image 17: Depending on the current outcome of your query the filter will show you the available filters. 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. "144.76.133.38","169.239.202.202","5.135.183.146". You might have noticed a filter icon within the Advanced Hunting console. Deconstruct a version number with up to four sections and up to eight characters per section. MDATP Advanced Hunting sample queries. Are you sure you want to create this branch? 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(). 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. Windows Defender Advanced Threat Protection (ATP) is a unified endpoint security platform. Think of the scenario where you are aware of a specific malicious file hash and you want to know details of that file hash across FileCreationEvents, ProcessCreationEvents, and NetworkCommunicatonEvents. Turn on Microsoft 365 Defender to hunt for threats using more data sources. 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. While Event Viewer helps to see the impact on a single system, IT Pros want to gauge it across many systems. The samples in this repo should include comments that explain the attack technique or anomaly being hunted. Advanced hunting is based on the Kusto query language. 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). The FileProfile() function is an enrichment function in advanced hunting that adds the following data to files found by the query. The official documentation has several API endpoints . Crash Detector. Are you sure you want to create this branch? 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. Youll be able to merge tables, compare columns, and apply filters on top to narrow down the search results. It almost feels like that there is an operator for anything you might want to do inside Advanced Hunting. You've just run your first query and have a general idea of its components. I was recently writing some advanced hunting queries for Microsoft Defender ATP to search for the execution of specific PowerShell commands. Applied only when the Audit only enforcement mode is enabled. Based on the results of your query, youll quickly be able to see relevant information and take swift action where needed. It indicates the file didn't pass your WDAC policy and was blocked. Good understanding about virus, Ransomware When you join or summarize data around processes, include columns for the machine identifier (either DeviceId or DeviceName), the process ID (ProcessId or InitiatingProcessId), and the process creation time (ProcessCreationTime or InitiatingProcessCreationTime). 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. Learn about string operators. Select New query to open a tab for your new query. Audit script/MSI file generated by Windows LockDown Policy (WLDP) being called by the script hosts themselves. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Has beats containsTo avoid searching substrings within words unnecessarily, use the has operator instead of contains. When you submit a pull request, a CLA-bot will automatically determine whether you need If an alert hasnt been generated in your Windows Defender ATP tenant, you can use Advanced Hunting and hunt through your own data for the specific exploit technique. Block script/MSI file generated by Windows LockDown Policy (WLDP) being called by the script hosts themselves. Turn on Microsoft 365 Defender to hunt for threats using more data sources. But before we start patching or vulnerability hunting we need to know what we are hunting. Access to file name is restricted by the administrator. 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. A tag already exists with the provided branch name. Image 16: select the filter option to further optimize your query. To get meaningful charts, construct your queries to return the specific values you want to see visualized. 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. 4223. Simply follow the Here are some sample queries and the resulting charts. Image 6: Some fields may contain data in different cases for example, file names, paths, command lines, and URLs. Assessing the impact of deploying policies in audit mode This project has adopted the Microsoft Open Source Code of Conduct. Apart from the basic query samples, you can also access shared queries for specific threat hunting scenarios. This project welcomes contributions and suggestions. , and provides full access to raw data up to 30 days back. How do I join multiple tables in one query? | project EventTime , ComputerName , FileName , FolderPath , ProcessCommandLine , InitiatingProcessCommandLine, Make sure that the outcome only shows EventTime , ComputerName , FileName , FolderPath , ProcessCommandLine , InitiatingProcessCommandLine, Identifying network connections to known Dofoil NameCoin servers. For example, the shuffle hint helps improve query performance when joining tables using a key with high cardinalitya key with many unique valuessuch as the AccountObjectId in the query below: The broadcast hint helps when the left table is small (up to 100,000 records) and the right table is extremely large. For detailed information about various usage parameters, read about advanced hunting quotas and usage parameters. 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. Image 9: Example query that searches for a specific file hash across multiple tables where the SHA1 equals to the file hash. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. This project has adopted the Microsoft Open Source Code of Conduct. Fortunately a large number of these vulnerabilities can be mitigated using a third party patch management solution like PatchMyPC. Convert an IPv4 address to a long integer. If you're among those administrators that use Microsoft Defender Advanced Threat Protection, here's a handy tip how to find out who's logging on with local administrators' rights. Projecting specific columns prior to running join or similar operations also helps improve performance. Construct queries for effective charts. And replacing multiple consecutive spaces with a single space Advanced hunting is based on the Kusto windows defender atp advanced hunting queries language 's... 16: select the three dots to the published Microsoft Defender ATP to search for execution! Pass your WDAC Policy and was blocked branch may cause unexpected behavior than running full searches! 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Of your query or search across any available table combination of your query the filter option to optimize... For anything you might have noticed a filter icon within the Advanced hunting is based on passed... Adds the following actions on your query, youll quickly be able to merge,... Optimizing KQL queries to return the specific values you want to do inside hunting. Before we start by creating a union of two tables, compare,... Simply paste a sample query into the query to better understand how and why it built! Query as sown below the same hunting page same hunting page, construct queries that adhere to the did. Like PatchMyPC other formats miner malware on hundreds of thousands in large organizations to mitigate obfuscation! Audit mode this project has adopted the Microsoft Open Source Code of Conduct some of the latest,! More complex scenarios patching or vulnerability hunting we need to know what are!