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96 lines
3.8 KiB
Markdown
96 lines
3.8 KiB
Markdown
---
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title: Create alert from event API
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description: Creates an alert using event details
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keywords: apis, graph api, supported apis, get, alert, information, id
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search.product: eADQiWindows 10XVcnh
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ms.prod: w10
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ms.mktglfcycl: deploy
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ms.sitesec: library
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ms.pagetype: security
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ms.author: macapara
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author: mjcaparas
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ms.localizationpriority: medium
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manager: dansimp
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audience: ITPro
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ms.collection: M365-security-compliance
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ms.topic: article
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---
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# Create alert from event API
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**Applies to:** [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2069559)
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- Want to experience Microsoft Defender ATP? [Sign up for a free trial.](https://www.microsoft.com/microsoft-365/windows/microsoft-defender-atp?ocid=docs-wdatp-exposedapis-abovefoldlink)
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Create alert using event data, as obtained from [Advanced Hunting](run-advanced-query-api.md) for creating a new alert.
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## Permissions
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One of the following permissions is required to call this API. To learn more, including how to choose permissions, see [Use Microsoft Defender ATP APIs](apis-intro.md)
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Permission type | Permission | Permission display name
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:---|:---|:---
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Application | Alerts.ReadWrite.All | 'Read and write all alerts'
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Delegated (work or school account) | Alert.ReadWrite | 'Read and write alerts'
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>[!Note]
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> When obtaining a token using user credentials:
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>- The user needs to have at least the following role permission: 'Alerts investigation' (See [Create and manage roles](user-roles.md) for more information)
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>- The user needs to have access to the machine associated with the alert, based on machine group settings (See [Create and manage machine groups](machine-groups.md) for more information)
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## HTTP request
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```
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POST https://api.securitycenter.windows.com/api/alerts/CreateAlertByReference
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```
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## Request headers
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Name | Type | Description
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:---|:---|:---
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Authorization | String | Bearer {token}. **Required**.
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Content-Type | String | application/json. **Required**.
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## Request body
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In the request body, supply the following values (all are required):
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Property | Type | Description
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:---|:---|:---
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machineId | String | Id of the machine on which the event was identified. **Required**.
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severity | String | Severity of the alert. The property values are: 'Low', 'Medium' and 'High'. **Required**.
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title | String | Title for the alert. **Required**.
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description | String | Description of the alert. **Required**.
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recommendedAction| String | Action that is recommended to be taken by security officer when analyzing the alert. **Required**.
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eventTime | DateTime(UTC) | The time of the event, as obtained from the advanced query. **Required**.
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reportId | String | The reportId, as obtained from the advanced query. **Required**.
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category| String | Category of the alert. The property values are: "General", "CommandAndControl", "Collection", "CredentialAccess", "DefenseEvasion", "Discovery", "Exfiltration", "Exploit", "Execution", "InitialAccess", "LateralMovement", "Malware", "Persistence", "PrivilegeEscalation", "Ransomware", "SuspiciousActivity" **Required**.
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## Response
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If successful, this method returns 200 OK, and a new [alert](alerts.md) object in the response body. If event with the specified properties (_reportId_, _eventTime_ and _machineId_) was not found - 404 Not Found.
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## Example
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**Request**
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Here is an example of the request.
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[!include[Improve request performance](improve-request-performance.md)]
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```
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POST https://api.securitycenter.windows.com/api/alerts/CreateAlertByReference
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Content-Length: application/json
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{
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"machineId": "1e5bc9d7e413ddd7902c2932e418702b84d0cc07",
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"severity": "Low",
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"title": "test alert",
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"description": "test alert",
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"recommendedAction": "test alert",
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"eventTime": "2018-08-03T16:45:21.7115183Z",
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"reportId": "20776",
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"category": "None"
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}
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```
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