Changes to internet facing AWS RDS Database instances
Id | 8c2ef238-67a0-497d-b1dd-5c8a0f533e25 |
Rulename | Changes to internet facing AWS RDS Database instances |
Description | Amazon Relational Database Service (RDS) is scalable relational database in the cloud. If your organization have one or more AWS RDS Databases running, monitoring changes to especially internet facing AWS RDS (Relational Database Service) Once alerts triggered, validate if changes observed are authorized and adhere to change control policy. More information: https://medium.com/@GorillaStack/the-most-important-aws-cloudtrail-security-events-to-track-a5b9873f8255 and RDS API Reference Docs: https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_Operations.html |
Severity | Low |
Tactics | Persistence |
Techniques | T1098 |
Required data connectors | AWS AWSS3 |
Kind | Scheduled |
Query frequency | 1d |
Query period | 1d |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ChangeToRDSDatabase.yaml |
Version | 1.0.1 |
Arm template | 8c2ef238-67a0-497d-b1dd-5c8a0f533e25.json |
let EventNameList = dynamic(["AuthorizeDBSecurityGroupIngress","CreateDBSecurityGroup","DeleteDBSecurityGroup","RevokeDBSecurityGroupIngress"]);
AWSCloudTrail
| where EventName in~ (EventNameList)
| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by EventName, EventTypeName, UserIdentityAccountId, UserIdentityPrincipalid, UserAgent, UserIdentityUserName, SessionMfaAuthenticated, SourceIpAddress, AWSRegion, EventSource, AdditionalEventData, ResponseElements
| extend timestamp = StartTimeUtc, AccountCustomEntity = UserIdentityUserName, IPCustomEntity = SourceIpAddress
version: 1.0.1
status: Available
queryFrequency: 1d
requiredDataConnectors:
- connectorId: AWS
dataTypes:
- AWSCloudTrail
- connectorId: AWSS3
dataTypes:
- AWSCloudTrail
entityMappings:
- fieldMappings:
- columnName: AccountCustomEntity
identifier: FullName
entityType: Account
- fieldMappings:
- columnName: IPCustomEntity
identifier: Address
entityType: IP
kind: Scheduled
queryPeriod: 1d
severity: Low
query: |
let EventNameList = dynamic(["AuthorizeDBSecurityGroupIngress","CreateDBSecurityGroup","DeleteDBSecurityGroup","RevokeDBSecurityGroupIngress"]);
AWSCloudTrail
| where EventName in~ (EventNameList)
| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by EventName, EventTypeName, UserIdentityAccountId, UserIdentityPrincipalid, UserAgent, UserIdentityUserName, SessionMfaAuthenticated, SourceIpAddress, AWSRegion, EventSource, AdditionalEventData, ResponseElements
| extend timestamp = StartTimeUtc, AccountCustomEntity = UserIdentityUserName, IPCustomEntity = SourceIpAddress
triggerOperator: gt
id: 8c2ef238-67a0-497d-b1dd-5c8a0f533e25
description: |
'Amazon Relational Database Service (RDS) is scalable relational database in the cloud.
If your organization have one or more AWS RDS Databases running, monitoring changes to especially internet facing AWS RDS (Relational Database Service)
Once alerts triggered, validate if changes observed are authorized and adhere to change control policy.
More information: https://medium.com/@GorillaStack/the-most-important-aws-cloudtrail-security-events-to-track-a5b9873f8255
and RDS API Reference Docs: https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_Operations.html'
triggerThreshold: 0
name: Changes to internet facing AWS RDS Database instances
relevantTechniques:
- T1098
tactics:
- Persistence
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ChangeToRDSDatabase.yaml
{
"$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/8c2ef238-67a0-497d-b1dd-5c8a0f533e25')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/8c2ef238-67a0-497d-b1dd-5c8a0f533e25')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01",
"properties": {
"displayName": "Changes to internet facing AWS RDS Database instances",
"description": "'Amazon Relational Database Service (RDS) is scalable relational database in the cloud.\nIf your organization have one or more AWS RDS Databases running, monitoring changes to especially internet facing AWS RDS (Relational Database Service)\nOnce alerts triggered, validate if changes observed are authorized and adhere to change control policy.\nMore information: https://medium.com/@GorillaStack/the-most-important-aws-cloudtrail-security-events-to-track-a5b9873f8255\nand RDS API Reference Docs: https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_Operations.html'\n",
"severity": "Low",
"enabled": true,
"query": "let EventNameList = dynamic([\"AuthorizeDBSecurityGroupIngress\",\"CreateDBSecurityGroup\",\"DeleteDBSecurityGroup\",\"RevokeDBSecurityGroupIngress\"]);\nAWSCloudTrail\n| where EventName in~ (EventNameList)\n| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by EventName, EventTypeName, UserIdentityAccountId, UserIdentityPrincipalid, UserAgent, UserIdentityUserName, SessionMfaAuthenticated, SourceIpAddress, AWSRegion, EventSource, AdditionalEventData, ResponseElements\n| extend timestamp = StartTimeUtc, AccountCustomEntity = UserIdentityUserName, IPCustomEntity = SourceIpAddress\n",
"queryFrequency": "P1D",
"queryPeriod": "P1D",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Persistence"
],
"techniques": [
"T1098"
],
"alertRuleTemplateName": "8c2ef238-67a0-497d-b1dd-5c8a0f533e25",
"customDetails": null,
"entityMappings": [
{
"entityType": "Account",
"fieldMappings": [
{
"identifier": "FullName",
"columnName": "AccountCustomEntity"
}
]
},
{
"entityType": "IP",
"fieldMappings": [
{
"identifier": "Address",
"columnName": "IPCustomEntity"
}
]
}
],
"status": "Available",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ChangeToRDSDatabase.yaml",
"templateVersion": "1.0.1"
}
}
]
}