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Change Auditor 7.4 - SIEM Integration User Guide

Table of Contents

Integrating Change Auditor and SIEM Tools

Webhooks in Change Auditor Webhook terminology Subscription configuration process

Subscription failover support

Subscription Management

Adding the PowerShell module Viewing available commands and help Connecting to Change Auditor Managing subscriptions

New-CAEventWebhookSubscription Get-CAEventWebhookSubscriptions Set-CAEventWebhookSubscription Remove-CAEventWebhookSubscription Get-CAEventExportSubsystems

Working with event subscriptions in the client Managing a Splunk integration

Working with Splunk subscriptions through the client New-CASplunkEventSubscription Get-CASplunkEventSubscriptions Set-CASplunkEventSubscription Remove-CASplunkEventSubscription

Managing an IBM QRadar integration

Working with QRadar subscriptions through the client New-CAQRadarExtension New-CAQRadarEventSubscription Get-CAQRadarEventSubscriptions Set-CAQRadarEventSubscription Remove-CAQRadarEventSubscription

Managing a Micro Focus Security ArcSight Logger and Enterprise Security Manager (ESM) integration

Working with Change Auditor data within ArcSight Working with ArcSight subscriptions through the client New-CAArcSightEventSubscription Get-CAArcSightEventSubscriptions Set-CAArcSightEventSubscription Remove-CAArcSightEventSubscription

Managing a Quest IT Security Search integration (Preview)

Working with a Quest IT Security Search subscriptions through the client New-CAITSSEventSubscription Get-CAITSSEventSubscriptions Set-CAITSSEventSubscription Remove-CAITSSEventSubscription

Managing a Syslog integration

Working with Syslog subscriptions through the client New-CASyslogEventSubscription Get-CASyslogEventSubscriptions Set-CASyslogEventSubscription Remove-CASyslogEventSubscription

Managing a Microsoft Sentinel integration

Working with Microsoft Sentinel subscriptions through the client New-CASentinelEventSubscription Get-CASentinelEventSubscriptions Set-CASentinelEventSubscription Remove-CASentinelEventSubscription

Webhook technical insights

Handling webhook responses Our brand, our vision. Together. Contacting Quest Technical support resources

Set-CAEventWebhookSubscription

Use this command to edit the subscription.

Table 3. Available parameters


Parameter	Description
-Connection	A connection obtained by using the Connect-CAClient command. See the Change Auditor Command Guide for details.
-Subscription	The PSCAEventWebhookStatus object that corresponds to the subscription to modify. This parameter is required if the SubscriptionId parameter is not specified.
-SubscriptionId	The ID of the subscription to modify. This parameter is required if the Subscription parameter is not specified.
-NotificationUrl (Optional)	Specifies where to send notifications. The notification URL is provided by the webhook receiver.
-BatchSize (Optional)	Specifies the maximum number of events to include in a single notification. The default is 10000 events.
-Enabled (Optional)	Specifies whether the subscription is enabled or disabled. By default it is enabled.
-HeartbeatUrl (Optional)	Specifies where (URL) to send heartbeat notifications. The URL is provided by the webhook receiver. NOTE: If no value is specified, heartbeat notifications are not sent.
-NotificationInterval (Optional)	Specifies how often (in milliseconds) notifications are sent to the receiver. By default, this is set to 0, resulting in a continuous stream of events.
-HeartbeatInterval (Optional)	Specifies how often (in milliseconds) heartbeat notifications are sent to webhook receiver. By default, this is set to every 5 minutes. Setting this to 0 disables the heartbeat notifications.
-AuthorizationId (Optional)	Specifies the unique identifier used to confirm that the specified subscriber is authorized to accept event data. The Id is provided by webhook receiver.
-AllowedCoordinators (Optional)	Specifies the DNS or NetBIOS name of the coordinators permitted to send events. By default, any coordinator can send the events. NOTE: The list order does not determine which coordinator is selected to send events.
-Subsystems (Optional)	Specifies an array of event subsystems from which to send events. This can be single or multiple subsystems. NOTE: To obtain an array of subsystems, use the Get-CAEventExportSubsystems command and filter the list to specify the required subsystems. NOTE: The subsystems specified override the current subsystems included in the subscription.
-IncludeO365AADDetails (Optional)	Specifies whether to include the raw JSON event details provided by Microsoft. When set to true, the event will include a field named additionalDetails, containing the raw JSON string for Office 365 and Azure Active Directory events. When set to false, the additionalDetails field is not included. By default, this is set to true.

Example: Edit a webhook subscription to send events to www.quest.com for Office 365 and Active Directory

$subscriptionId = "ed01cc15-b67f-428d-b836-25405235dd1f"

$notificationUrl = "https://www.quest.com/api/webhook"

Set-CAEventWebhookSubscription -Connection $connection -SubscriptionId $subscriptionId -NotificationUrl $notificationUrl

Example: Edit the subsystems included in a webhook subscription

$newSubsystems = Get-CAEventExportSubsystems -Connection $connection | ? { $_.DisplayName -eq "File System" -or $_.DisplayName -eq "Active Directory" }

Set-CAEventWebhookSubscription -Connection $connection -SubscriptionId cd87b774-8e65-46e1-8520-da478c60c4c3 -Subsystems $newSubsystems

Remove-CAEventWebhookSubscription

Use this command to remove a subscription.


	NOTE: You cannot use this command to remove subscriptions that are marked as internal. You can use the Get-CAEventWebhookSubscriptions to see which subscriptions are internal.

Table 4. Available parameters


Parameter	Description
-Connection	A connection obtained by using the Connect-CAClient command. See the Change Auditor Command Guide for details.
-Subscription	The PSCAEventWebhookStatus object that corresponds to the subscription to remove. This parameter is required if the SubscriptionId parameter is not specified.
-SubscriptionId	The ID of the subscription to remove. This parameter is required if the Subscription parameter is not specified. Use the Get-CAEventWebhookSubscriptions command to find the ID.

Example: Remove a webhook subscription

Remove-CAEventWebhookSubscription -Connection $connection -SubscriptionId $subscriptionId

Get-CAEventExportSubsystems

Use this command to obtain an array of subsystems to include in a new subscriptions.

Table 5. Available parameters


Parameter	Description
-Connection	A connection obtained by using the Connect-CAClient command. See the Change Auditor Command Guide for details.

Example: Get the Active Directory and file system subsystems

Get-CAEventExportSubsystems -Connection $connection | ? {$_.DisplayName -eq "Active Directory" -or $_.DisplayName -eq "File System"}

Working with event subscriptions in the client

The event subscriptions summary page displays the type of subscription (Target), where the events are being sent (Event URL), the subscription status (Enabled or Disabled), and when the last event was sent (Last Event).

From here, you can:

•

View existing subscription details.

•

Add ArcSight, Splunk, QRadar, IT Security Search, and Syslog subscriptions.

•

Edit ArcSight, Splunk, QRadar, IT Security Search, and Syslog subscriptions.

•

Create a QRadar extension.

•

Remove a subscription.

•

Enable and disable a subscription.

See Managing a Splunk integration, Managing an IBM QRadar integration, Managing a Micro Focus Security ArcSight Logger and Enterprise Security Manager (ESM) integration, Managing a Quest IT Security Search integration (Preview), and Managing a Syslog integration for details.

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