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AWSCloudTrail - Changes to internet facing AWS RDS Database instances

Description

Identifies AWS CloudTrail events associated with changes to Amazon RDS database security groups and database security group ingress rules, which may indicate unauthorized modification of internet-facing RDS access. Validate whether the change was authorized and consistent with change control policy. RDS API Reference Docs: https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_Operations.html
Rule type
Scheduled
Version
1.0.5
Declared status
Available
Query frequency
1d
Query period
1d
Trigger
gt 0

Declared MITRE coverage

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

Data types

KQL query

Original query, unchanged.

let EventNameList = dynamic(["AuthorizeDBSecurityGroupIngress","CreateDBSecurityGroup","DeleteDBSecurityGroup","RevokeDBSecurityGroupIngress"]);
AWSCloudTrail
| where EventName in~ (EventNameList)
| extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)
| extend UserName = tostring(split(UserIdentityArn, '/')[-1])
| extend AccountName = case( UserIdentityPrincipalid == "Anonymous", "Anonymous", isempty(UserIdentityUserName), UserName, UserIdentityUserName)
| extend AccountName = iif(AccountName contains "@", tostring(split(AccountName, '@', 0)[0]), AccountName),
  AccountUPNSuffix = iif(AccountName contains "@", tostring(split(AccountName, '@', 1)[0]), "")
| summarize StartTimeUtc = min(TimeGenerated), EndTimeUtc = max(TimeGenerated) by EventName, EventTypeName, RecipientAccountId, AccountName, AccountUPNSuffix, UserIdentityAccountId, UserIdentityPrincipalid, UserAgent, UserIdentityUserName, SessionMfaAuthenticated, SourceIpAddress, AWSRegion, EventSource, AdditionalEventData, ResponseElements

Declared entities

AccountIP

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
8c2ef238-67a0-497d-b1dd-5c8a0f533e25
Additional source files 3Solutions/Amazon Web Services/Analytic Rules/AWS_ChangeToRDSDatabase.yamlsource ↗Detections/AWSCloudTrail/AWS_ChangeToRDSDatabase.yamlmigration-note ↗Solutions/Amazon Web Services/Data/Solution_AmazonWebServices.jsonsolution-membership ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.