-
Notifications
You must be signed in to change notification settings - Fork 3k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #8891 from Azure/v-rusraut/OSSEC-MMAtoAMAMigration
Repackaging - OSSEC (MMA to AMA Migration)
- Loading branch information
Showing
8 changed files
with
555 additions
and
128 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| { | ||
| "id": "OSSECAma", | ||
| "title": "[Recommended] OSSEC via AMA", | ||
| "publisher": "OSSEC", | ||
| "descriptionMarkdown": "OSSEC data connector provides the capability to ingest [OSSEC](https://www.ossec.net/) events into Microsoft Sentinel. Refer to [OSSEC documentation](https://www.ossec.net/docs) for more information.", | ||
| "additionalRequirementBanner": "These queries are dependent on a parser based on a Kusto Function deployed as part of the solution.", | ||
| "graphQueries": [ | ||
| { | ||
| "metricName": "Total data received", | ||
| "legend": "OSSEC", | ||
| "baseQuery": "CommonSecurityLog\n |where DeviceVendor =~ 'OSSEC'\n |extend sent_by_ama = column_ifexists('CollectorHostName','')\n |where isnotempty(sent_by_ama)" | ||
| } | ||
| ], | ||
| "sampleQueries": [ | ||
| { | ||
| "description" : "Top 10 Rules", | ||
| "query": "OSSECEvent\n | summarize count() by RuleName\n | top 10 by count_" | ||
| } | ||
| ], | ||
| "dataTypes": [ | ||
| { | ||
| "name": "CommonSecurityLog (OSSEC)", | ||
| "lastDataReceivedQuery": "CommonSecurityLog\n |where DeviceVendor =~ 'OSSEC'\n |extend sent_by_ama = column_ifexists('CollectorHostName','')\n |where isnotempty(sent_by_ama)\n | summarize Time = max(TimeGenerated)\n | where isnotempty(Time)" | ||
| } | ||
| ], | ||
| "connectivityCriterias": [ | ||
| { | ||
| "type": "IsConnectedQuery", | ||
| "value": [ | ||
| "CommonSecurityLog\n |where DeviceVendor =~ 'OSSEC'\n |extend sent_by_ama = column_ifexists('CollectorHostName','')\n |where isnotempty(sent_by_ama)\n | summarize LastLogReceived = max(TimeGenerated)\n | project IsConnected = LastLogReceived > ago(30d)" | ||
| ] | ||
| } | ||
| ], | ||
| "availability": { | ||
| "status": 1, | ||
| "isPreview": false | ||
| }, | ||
| "permissions": { | ||
| "resourceProvider": [ | ||
| { | ||
| "provider": "Microsoft.OperationalInsights/workspaces", | ||
| "permissionsDisplayText": "read and write permissions are required.", | ||
| "providerDisplayName": "Workspace", | ||
| "scope": "Workspace", | ||
| "requiredPermissions": { | ||
| "read": true, | ||
| "write": true, | ||
| "delete": true | ||
| } | ||
| }, | ||
| { | ||
| "provider": "Microsoft.OperationalInsights/workspaces/sharedKeys", | ||
| "permissionsDisplayText": "read permissions to shared keys for the workspace are required. [See the documentation to learn more about workspace keys](https://docs.microsoft.com/azure/azure-monitor/platform/agent-windows#obtain-workspace-id-and-key).", | ||
| "providerDisplayName": "Keys", | ||
| "scope": "Workspace", | ||
| "requiredPermissions": { | ||
| "action": true | ||
| } | ||
| } | ||
| ], | ||
| "customs": [ | ||
| { | ||
| "description": "To collect data from non-Azure VMs, they must have Azure Arc installed and enabled. [Learn more](https://docs.microsoft.com/azure/azure-monitor/agents/azure-monitor-agent-install?tabs=ARMAgentPowerShell,PowerShellWindows,PowerShellWindowsArc,CLIWindows,CLIWindowsArc)" | ||
| }, | ||
| { | ||
| "description": "Common Event Format (CEF) via AMA and Syslog via AMA data connectors must be installed [Learn more](https://learn.microsoft.com/azure/sentinel/connect-cef-ama#open-the-connector-page-and-create-the-dcr)" | ||
| } | ||
| ] | ||
| }, | ||
| "instructionSteps": [ | ||
| { | ||
| "title": "", | ||
| "description": ">**NOTE:** This data connector depends on a parser based on a Kusto Function to work as expected which is deployed as part of the solution. To view the function code in Log Analytics, open Log Analytics/Microsoft Sentinel Logs blade, click Functions and search for the alias OSSEC and load the function code or click [here](https://aka.ms/sentinel-OSSECEvent-parser), on the second line of the query, enter the hostname(s) of your OSSEC device(s) and any other unique identifiers for the logstream. The function usually takes 10-15 minutes to activate after solution installation/update.", | ||
| "instructions": [ | ||
| { | ||
| "parameters": { | ||
| "title": "1. Kindly follow the steps to configure the data connector", | ||
| "instructionSteps": [ | ||
| { | ||
| "title": "Step A. Configure the Common Event Format (CEF) via AMA data connector", | ||
| "description": "_Note:- CEF logs are collected only from Linux Agents_\n\n1. Navigate to Microsoft Sentinel workspace ---> configuration ---> Data connector blade .\n\n2. Search for 'Common Event Format (CEF) via AMA' data connector and open it.\n\n3. Check If there is no existing DCR configured to collect required facility of logs, Create a new DCR (Data Collection Rule)\n\n\t_Note:- It is recommended to install minimum 1.27 version of AMA agent [Learn more](https://learn.microsoft.com/azure/azure-monitor/agents/azure-monitor-agent-manage?tabs=azure-portal ) and ensure there is no duplicate DCR as it can cause log duplicacy_\n\n4. Run the command provided in the CEF via AMA data connector page to configure the CEF collector on the machine", | ||
| "instructions": [ | ||
| ] | ||
| }, | ||
| { | ||
| "title": "Step B. Forward Common Event Format (CEF) logs to Syslog agent", | ||
| "description": "[Follow these steps](https://www.ossec.net/docs/docs/manual/output/syslog-output.html) to configure OSSEC sending alerts via syslog.", | ||
| "instructions": [ | ||
| ] | ||
| }, | ||
| { | ||
| "title": "Step C. Validate connection", | ||
| "description": "Follow the instructions to validate your connectivity:\n\nOpen Log Analytics to check if the logs are received using the CommonSecurityLog schema.\n\nIt may take about 20 minutes until the connection streams data to your workspace.\n\nIf the logs are not received, run the following connectivity validation script:\n\n 1. Make sure that you have Python on your machine using the following command: python -version\n\n2. You must have elevated permissions (sudo) on your machine", | ||
| "instructions": [ | ||
| { | ||
| "parameters": { | ||
| "label": "Run the following command to validate your connectivity:", | ||
| "value": "sudo wget -O Sentinel_AMA_troubleshoot.py https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/DataConnectors/Syslog/Sentinel_AMA_troubleshoot.py&&sudo python Sentinel_AMA_troubleshoot.py --cef" | ||
| }, | ||
| "type": "CopyableLabel" | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| }, | ||
| "type": "InstructionStepsGroup" | ||
| } | ||
| ] | ||
| }, | ||
|
|
||
| { | ||
| "title": "2. Secure your machine ", | ||
| "description": "Make sure to configure the machine's security according to your organization's security policy\n\n\n[Learn more >](https://aka.ms/SecureCEF)" | ||
| } | ||
| ] | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Binary file not shown.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.