Digital Guardian - Sensitive data transfer over insecure channel
Id | b52cda18-c1af-40e5-91f3-1fcbf9fa267e |
Rulename | Digital Guardian - Sensitive data transfer over insecure channel |
Description | Detects sensitive data transfer over insecure channel. |
Severity | Medium |
Tactics | Exfiltration |
Techniques | T1048 |
Required data connectors | DigitalGuardianDLP SyslogAma |
Kind | Scheduled |
Query frequency | 1h |
Query period | 1h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Digital Guardian Data Loss Prevention/Analytic Rules/DigitalGuardianClassifiedDataInsecureTransfer.yaml |
Version | 1.0.1 |
Arm template | b52cda18-c1af-40e5-91f3-1fcbf9fa267e.json |
DigitalGuardianDLPEvent
| where isnotempty(MatchedPolicies)
| where isnotempty(inspected_document)
| where NetworkApplicationProtocol =~ 'HTTP'
| extend AccountCustomEntity = SrcUserName, IPCustomEntity = SrcIpAddr
relevantTechniques:
- T1048
name: Digital Guardian - Sensitive data transfer over insecure channel
requiredDataConnectors:
- dataTypes:
- DigitalGuardianDLPEvent
connectorId: DigitalGuardianDLP
- datatypes:
- Syslog
connectorId: SyslogAma
entityMappings:
- fieldMappings:
- identifier: Name
columnName: AccountCustomEntity
entityType: Account
- fieldMappings:
- identifier: Address
columnName: IPCustomEntity
entityType: IP
triggerThreshold: 0
id: b52cda18-c1af-40e5-91f3-1fcbf9fa267e
tactics:
- Exfiltration
version: 1.0.1
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Digital Guardian Data Loss Prevention/Analytic Rules/DigitalGuardianClassifiedDataInsecureTransfer.yaml
queryPeriod: 1h
kind: Scheduled
queryFrequency: 1h
severity: Medium
status: Available
description: |
'Detects sensitive data transfer over insecure channel.'
query: |
DigitalGuardianDLPEvent
| where isnotempty(MatchedPolicies)
| where isnotempty(inspected_document)
| where NetworkApplicationProtocol =~ 'HTTP'
| extend AccountCustomEntity = SrcUserName, IPCustomEntity = SrcIpAddr
triggerOperator: gt
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2024-01-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/b52cda18-c1af-40e5-91f3-1fcbf9fa267e')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/b52cda18-c1af-40e5-91f3-1fcbf9fa267e')]",
"properties": {
"alertRuleTemplateName": "b52cda18-c1af-40e5-91f3-1fcbf9fa267e",
"customDetails": null,
"description": "'Detects sensitive data transfer over insecure channel.'\n",
"displayName": "Digital Guardian - Sensitive data transfer over insecure channel",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountCustomEntity",
"identifier": "Name"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Digital Guardian Data Loss Prevention/Analytic Rules/DigitalGuardianClassifiedDataInsecureTransfer.yaml",
"query": "DigitalGuardianDLPEvent\n| where isnotempty(MatchedPolicies)\n| where isnotempty(inspected_document)\n| where NetworkApplicationProtocol =~ 'HTTP'\n| extend AccountCustomEntity = SrcUserName, IPCustomEntity = SrcIpAddr\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Exfiltration"
],
"techniques": [
"T1048"
],
"templateVersion": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}