Reserve the use of regular expression for more complex scenarios. There are numerous ways to construct a command line to accomplish a task. Why should I care about Advanced Hunting? For more information see the Code of Conduct FAQ Whenever possible, provide links to related documentation. If you are just looking for one specific command, you can run query as sown below. This repository has been archived by the owner on Feb 17, 2022. Note: I have updated the kql queries below, but the screenshots itself still refer to the previous (old) schema names. Assessing the impact of deploying policies in audit mode After running your query, you can see the execution time and its resource usage (Low, Medium, High). Good understanding about virus, Ransomware For example, use. Try to find the problem and address it so that the query can work. Applied only when the Audit only enforcement mode is enabled. microsoft/Microsoft-365-Defender-Hunting-Queries. Turn on Microsoft 365 Defender to hunt for threats using more data sources. In the example below, the parsing function extractjson() is used after filtering operators have reduced the number of records. Account protection No actions needed. 1. Want to experience Microsoft 365 Defender? Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. A Windows Defender Application Control (WDAC) policy logs events locally in Windows Event Viewer in either enforced or audit mode. 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. sign in and actually do, grant us the rights to use your contribution. We are using =~ making sure it is case-insensitive. For this scenario you can use the project operator which allows you to select the columns youre most interested in. Advanced hunting is a query-based threat hunting tool that lets you explore up to 30 days of raw data. 4223. Query . Turn on Microsoft 365 Defender to hunt for threats using more data sources. Watch this short video to learn some handy Kusto query language basics. Read more about parsing functions. Get access. Lookup process executed from binary hidden in Base64 encoded file. 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. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. 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(". Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Find rows that match a predicate across a set of tables. Specifies the script or .msi file would be blocked if the Enforce rules enforcement mode were enabled. You must be a registered user to add a comment. project returns specific columns, and top limits the number of results. To use advanced hunting, turn on Microsoft 365 Defender. 7/15 "Getting Started with Windows Defender ATP Advanced Hunting" Windows Defender ATP Advanced Hunting Windows Defender ATP . Sample queries for Advanced hunting in Windows Defender ATP. Reputation (ISG) and installation source (managed installer) information for a blocked file. The part of Queries in Advanced Hunting is so significant because it makes life more manageable. You will only need to do this once across all repositories using our CLA. Case-sensitive for speedCase-sensitive searches are more specific and generally more performant. In addition, construct queries that adhere to the published Microsoft Defender ATP Advanced hunting performance best practices. Turn on Microsoft 365 Defender to hunt for threats using more data sources. MDATP Advanced Hunting (AH) Sample Queries. 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. You can also use the case-sensitive equals operator == instead of =~. To start a trial https://aka.ms/MDATP Also available for US GCC High customers - General availability of Microsoft Defender Advanced Threat Protection for US GCC High customers 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. Filter a table to the subset of rows that satisfy a predicate. There are several ways to apply filters for specific data. instructions provided by the bot. Simply follow the 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. Signing information event correlated with either a 3076 or 3077 event. or contact opencode@microsoft.com with any additional questions or comments. It indicates the file didn't pass your WDAC policy and was blocked. It indicates the file would have been blocked if the WDAC policy was enforced. Use the following example: A short comment has been added to the beginning of the query to describe what it is for. Its early morning and you just got to the office. For details, visit 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. 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. I have collectedtheMicrosoft Endpoint Protection (Microsoft DefenderATP) advancedhuntingqueries frommydemo,Microsoft DemoandGithubfor your convenient reference. Feel free to comment, rate, or provide suggestions. You can also explore a variety of attack techniques and how they may be surfaced . 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. Apply these tips to optimize queries that use this operator. 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). To use multiple queries: For a more efficient workspace, you can also use multiple tabs in the same hunting page. However, this is a significant undertaking when you consider the ever-evolving landscape of, On November 2, 2019, security researcher Kevin Beaumont reported that his BlueKeep honeypot experienced crashes and was likely being exploited. This article was originally published by Microsoft's Core Infrastructure and Security Blog. High indicates that the query took more resources to run and could be improved to return results more efficiently. The flexible access to data enables unconstrained hunting for both known and potential threats. Apply these tips to optimize queries that use this operator. Extract the sections of a file or folder path. When you submit a pull request, a CLA-bot will automatically determine whether you need This project has adopted the Microsoft Open Source Code of Conduct. Advanced hunting data can be categorized into two distinct types, each consolidated differently. This operator allows you to apply filters to a specific column within a table. 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. How do I join multiple tables in one query? SuccessfulAccountsCount = dcountif(Account, ActionType == LogonSuccess). Some tables in this article might not be available in Microsoft Defender for Endpoint. To get started, simply paste a sample query into the query builder and run the query. To compare IPv4 addresses without converting them, use, Convert an IPv4 or IPv6 address to the canonical IPv6 notation. You signed in with another tab or window. The Kusto query language used by advanced hunting supports a range of operators, including the following common ones. For more information, see Advanced Hunting query best practices. "142.0.68.13","103.253.12.18","62.112.8.85", "69.164.196.21" ,"107.150.40.234","162.211.64.20","217.12.210.54", ,"89.18.27.34","193.183.98.154","51.255.167.0", ,"91.121.155.13","87.98.175.85","185.97.7.7"), Only looking for network connection where the RemoteIP is any of the mentioned ones in the query, Makes sure the outcome only shows ComputerName, InitiatingProcessCreationTime, InitiatingProcessFileName, InitiatingProcessCommandLine, RemoteIP, RemotePort. Sample queries for Advanced hunting in Microsoft Defender ATP. Note because we use in ~ it is case-insensitive. Filter tables not expressionsDon't filter on a calculated column if you can filter on a table column. Return up to the specified number of rows. Cannot retrieve contributors at this time. 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. To accomplish a task sown below below, but the screenshots itself still to! 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