// For the query to work properly, make sure you have imported the afad_parser.kql parser into the workspace
// Retrieve the parser here: https://raw.githubusercontent.com/tenable/Azure-Sentinel/Tenable.ad-connector/Solutions/TenableAD/Parsers/afad_parser.kql
// Then, create the Kusto Function with alias afad_parser
afad_parser
| where MessageType == 2 and Codename == "OS Credential Dumping: LSASS Memory"
version: 1.0.0
name: Tenable.ad LSASS Memory
severity: High
queryFrequency: 2h
kind: Scheduled
queryPeriod: 2h
description: |
'Searches for OS Credentials dumping attacks.'
query: |
// For the query to work properly, make sure you have imported the afad_parser.kql parser into the workspace
// Retrieve the parser here: https://raw.githubusercontent.com/tenable/Azure-Sentinel/Tenable.ad-connector/Solutions/TenableAD/Parsers/afad_parser.kql
// Then, create the Kusto Function with alias afad_parser
afad_parser
| where MessageType == 2 and Codename == "OS Credential Dumping: LSASS Memory"
tactics:
- CredentialAccess
triggerOperator: gt
entityMappings:
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/TenableAD/Analytic Rules/TenableAdLSASSMemory.yaml
requiredDataConnectors:
- connectorId: Tenable.ad
dataTypes:
- Tenable_ad_CL
relevantTechniques:
- T1003.001
id: 6f7fa5f9-7d21-42c1-bc52-ac355b87c6cf
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/6f7fa5f9-7d21-42c1-bc52-ac355b87c6cf')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/6f7fa5f9-7d21-42c1-bc52-ac355b87c6cf')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01-preview",
"properties": {
"displayName": "Tenable.ad LSASS Memory",
"description": "'Searches for OS Credentials dumping attacks.'\n",
"severity": "High",
"enabled": true,
"query": "// For the query to work properly, make sure you have imported the afad_parser.kql parser into the workspace\n// Retrieve the parser here: https://raw.githubusercontent.com/tenable/Azure-Sentinel/Tenable.ad-connector/Solutions/TenableAD/Parsers/afad_parser.kql\n// Then, create the Kusto Function with alias afad_parser\nafad_parser\n | where MessageType == 2 and Codename == \"OS Credential Dumping: LSASS Memory\"\n",
"queryFrequency": "PT2H",
"queryPeriod": "PT2H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"CredentialAccess"
],
"techniques": [
"T1003.001"
],
"alertRuleTemplateName": "6f7fa5f9-7d21-42c1-bc52-ac355b87c6cf",
"customDetails": null,
"entityMappings": null,
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/TenableAD/Analytic Rules/TenableAdLSASSMemory.yaml",
"templateVersion": "1.0.0"
}
}
]
}