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Repackaging - OSSEC (MMA to AMA Migration) #8891

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4 changes: 2 additions & 2 deletions Solutions/OSSEC/Data Connectors/Connector_CEF_OSSEC.json
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"id": "OSSEC",
"title": "OSSEC",
"title": "[Deprecated] OSSEC via Legacy Agent",
"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.",
Expand Down Expand Up @@ -62,7 +62,7 @@
"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://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OSSEC/Parsers/OSSECEvent.txt), 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.",
"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": [
]
},
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116 changes: 116 additions & 0 deletions Solutions/OSSEC/Data Connectors/template_OSSECAMA.json
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)"
}
]
}
9 changes: 5 additions & 4 deletions Solutions/OSSEC/Data/Solution_OssectemplateSpec.json
Original file line number Diff line number Diff line change
Expand Up @@ -2,16 +2,17 @@
"Name": "OSSEC",
"Author": "Microsoft - support@microsoft.com",
"Logo": "<img src=\"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Logos/Azure_Sentinel.svg\" width=\"75px\" height=\"75px\">",
"Description": "The 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.",
"Description": "The OSSEC solution 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.\n\r\n1. **OSSEC via AMA** -This data connector helps in ingesting OSSEC logs into your Log Analytics Workspace using the new Azure Monitor Agent. Learn more about ingesting using the new Azure Monitor Agent [here](https://learn.microsoft.com/azure/sentinel/connect-cef-ama). **Microsoft recommends using this Data Connector**.\n\r\n2. **OSSEC via Legacy Agent** - This data connector helps in ingesting OSSEC logs into your Log Analytics Workspace using the legacy Log Analytics agent.\n\n**NOTE:** Microsoft recommends Installation of OSSEC via AMA Connector. Legacy connector uses the Log Analytics agent which is about to be deprecated by **Aug 31.2024,** and thus should only be installed where AMA is not supported.Using MMA and AMA on same machine can cause log duplication and extra ingestion cost [more details](https://learn.microsoft.com/en-us/azure/sentinel/ama-migrate).",
"Data Connectors": [
"Data Connectors/Connector_CEF_OSSEC.json"
"Data Connectors/Connector_CEF_OSSEC.json",
"Data Connectors/template_OSSECAMA.json"
],
"Parsers": [
"Parsers/OSSECEvent.txt"
"Parsers/OSSECEvent.yaml"
],

"BasePath": "C:\\GitHub\\Azure-Sentinel\\Solutions\\OSSEC",
"Version": "2.0.1",
"Version": "3.0.0",
"Metadata": "SolutionMetadata.json",
"TemplateSpec": true,
"Is1PConnector": false
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13 changes: 10 additions & 3 deletions Solutions/OSSEC/Package/createUiDefinition.json
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
"config": {
"isWizard": false,
"basics": {
"description": "<img src=\"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Logos/Azure_Sentinel.svg\" width=\"75px\" height=\"75px\">\n\n**Note:** _There may be [known issues](https://aka.ms/sentinelsolutionsknownissues) pertaining to this Solution, please refer to them before installing._\n\nThe OSSEC solution 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.\r\n \r\n **Underlying Microsoft Technologies used:** \r\n\r\n This solution takes a dependency on the following technologies, and some of these dependencies either may be in [Preview](https://azure.microsoft.com/support/legal/preview-supplemental-terms/) state or might result in additional ingestion or operational costs:\r\n\n a. [Agent-based log collection (CEF)](https://docs.microsoft.com/azure/sentinel/connect-common-event-format)\r\n\n\r\n\n**Data Connectors:** 1, **Parsers:** 1\n\n[Learn more about Microsoft Sentinel](https://aka.ms/azuresentinel) | [Learn more about Solutions](https://aka.ms/azuresentinelsolutionsdoc)",
"description": "<img src=\"https://raw.githubusercontent.com/Azure/Azure-Sentinel/master/Logos/Azure_Sentinel.svg\" width=\"75px\" height=\"75px\">\n\n**Note:** Please refer to the following before installing the solution: \r \n • Review the solution [Release Notes](https://github.com/Azure/Azure-Sentinel/tree/master/Solutions/OSSEC/ReleaseNotes.md)\r \n • There may be [known issues](https://aka.ms/sentinelsolutionsknownissues) pertaining to this Solution, please refer to them before installing.\n\nThe OSSEC solution 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.\n\r\n1. **OSSEC via AMA** -This data connector helps in ingesting OSSEC logs into your Log Analytics Workspace using the new Azure Monitor Agent. Learn more about ingesting using the new Azure Monitor Agent [here](https://learn.microsoft.com/azure/sentinel/connect-cef-ama). **Microsoft recommends using this Data Connector**.\n\r\n2. **OSSEC via Legacy Agent** - This data connector helps in ingesting OSSEC logs into your Log Analytics Workspace using the legacy Log Analytics agent.\n\n**NOTE:** Microsoft recommends Installation of OSSEC via AMA Connector. Legacy connector uses the Log Analytics agent which is about to be deprecated by **Aug 31.2024,** and thus should only be installed where AMA is not supported.Using MMA and AMA on same machine can cause log duplication and extra ingestion cost [more details](https://learn.microsoft.com/en-us/azure/sentinel/ama-migrate).\n\n**Data Connectors:** 2, **Parsers:** 1\n\n[Learn more about Microsoft Sentinel](https://aka.ms/azuresentinel) | [Learn more about Solutions](https://aka.ms/azuresentinelsolutionsdoc)",
"subscription": {
"resourceProviders": [
"Microsoft.OperationsManagement/solutions",
Expand Down Expand Up @@ -60,14 +60,21 @@
"name": "dataconnectors1-text",
"type": "Microsoft.Common.TextBlock",
"options": {
"text": "This solution installs the data connector for ingesting OSSEC by performing log analysis, integrity checking, Windows registry monitoring, rootkit detection, real-time alerting, and active response. After installing the solution, configure and enable this data connector by following guidance in Manage solution view."
"text": "This solution installs the data connector for ingesting OSSEC by performing log analysis, integrity checking, Windows registry monitoring, rootkit detection, real-time alerting, and active response. After installing the solution, configure and enable this data connector by following guidance in Manage solution view"
}
},
{
"name": "dataconnectors2-text",
"type": "Microsoft.Common.TextBlock",
"options": {
"text": "This Solution installs the data connector for OSSEC. You can get OSSEC CommonSecurityLog data in your Microsoft Sentinel workspace. After installing the solution, configure and enable this data connector by following guidance in Manage solution view."
}
},
{
"name": "dataconnectors-parser-text",
"type": "Microsoft.Common.TextBlock",
"options": {
"text": "The solution installs a parser that transforms ingested data. The transformed logs can be accessed using the OSSECEvent Kusto Function alias."
"text": "The Solution installs a parser that transforms the ingested data into Microsoft Sentinel normalized format. The normalized format enables better correlation of different types of data from different data sources to drive end-to-end outcomes seamlessly in security monitoring, hunting, incident investigation and response scenarios in Microsoft Sentinel."
}
},
{
Expand Down
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