OracleDBAudit - Connection to database from external IP
Id | 54aa2c17-acfd-4e3a-a1c4-99c88cf34ebe |
Rulename | OracleDBAudit - Connection to database from external IP |
Description | Detects when connection to database is from external IP source. |
Severity | Medium |
Tactics | InitialAccess Collection Exfiltration |
Techniques | T1190 T1133 T1078 T1119 T1029 |
Required data connectors | OracleDatabaseAudit SyslogAma |
Kind | Scheduled |
Query frequency | 30m |
Query period | 30m |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleDatabaseAudit/Analytic Rules/OracleDBAuditConnectFromExternalIp.yaml |
Version | 1.0.1 |
Arm template | 54aa2c17-acfd-4e3a-a1c4-99c88cf34ebe.json |
OracleDatabaseAuditEvent
| where isnotempty(SrcIpAddr)
| where isnotempty(Action)
| where DbAction =~ 'connect'
| where ipv4_is_private(SrcIpAddr) == 'false'
| extend AccountCustomEntity = DstUserName
| extend IPCustomEntity = SrcIpAddr
kind: Scheduled
relevantTechniques:
- T1190
- T1133
- T1078
- T1119
- T1029
description: |
'Detects when connection to database is from external IP source.'
queryPeriod: 30m
queryFrequency: 30m
tactics:
- InitialAccess
- Collection
- Exfiltration
name: OracleDBAudit - Connection to database from external IP
requiredDataConnectors:
- connectorId: OracleDatabaseAudit
dataTypes:
- Syslog
- connectorId: SyslogAma
datatypes:
- Syslog
entityMappings:
- entityType: Account
fieldMappings:
- identifier: FullName
columnName: AccountCustomEntity
- entityType: IP
fieldMappings:
- identifier: Address
columnName: IPCustomEntity
triggerThreshold: 0
version: 1.0.1
id: 54aa2c17-acfd-4e3a-a1c4-99c88cf34ebe
query: |
OracleDatabaseAuditEvent
| where isnotempty(SrcIpAddr)
| where isnotempty(Action)
| where DbAction =~ 'connect'
| where ipv4_is_private(SrcIpAddr) == 'false'
| extend AccountCustomEntity = DstUserName
| extend IPCustomEntity = SrcIpAddr
status: Available
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleDatabaseAudit/Analytic Rules/OracleDBAuditConnectFromExternalIp.yaml
severity: Medium
{
"$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/54aa2c17-acfd-4e3a-a1c4-99c88cf34ebe')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/54aa2c17-acfd-4e3a-a1c4-99c88cf34ebe')]",
"properties": {
"alertRuleTemplateName": "54aa2c17-acfd-4e3a-a1c4-99c88cf34ebe",
"customDetails": null,
"description": "'Detects when connection to database is from external IP source.'\n",
"displayName": "OracleDBAudit - Connection to database from external IP",
"enabled": true,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"columnName": "AccountCustomEntity",
"identifier": "FullName"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "IPCustomEntity",
"identifier": "Address"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/OracleDatabaseAudit/Analytic Rules/OracleDBAuditConnectFromExternalIp.yaml",
"query": "OracleDatabaseAuditEvent\n| where isnotempty(SrcIpAddr)\n| where isnotempty(Action)\n| where DbAction =~ 'connect'\n| where ipv4_is_private(SrcIpAddr) == 'false'\n| extend AccountCustomEntity = DstUserName\n| extend IPCustomEntity = SrcIpAddr\n",
"queryFrequency": "PT30M",
"queryPeriod": "PT30M",
"severity": "Medium",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Collection",
"Exfiltration",
"InitialAccess"
],
"techniques": [
"T1029",
"T1078",
"T1119",
"T1133",
"T1190"
],
"templateVersion": "1.0.1",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}