sigmaDRL-1.1from SigmaHQ/sigma

AWS RDS Master Password Change

Detects the change of database master password. It may be a part of data exfiltration.

Quality

FP risk

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ATT&CK techniques

T1020

Rule sourcerules/cloud/aws/cloudtrail/aws_rds_change_master_password.yml

title: AWS RDS Master Password Change
id: 8a63cdd4-6207-414a-85bc-7e032bd3c1a2
status: test
description: Detects the change of database master password. It may be a part of data exfiltration.
references:
    - https://github.com/RhinoSecurityLabs/pacu/blob/866376cd711666c775bbfcde0524c817f2c5b181/pacu/modules/rds__explore_snapshots/main.py
author: faloker
date: 2020-02-12
modified: 2022-10-05
tags:
    - attack.exfiltration
    - attack.t1020
logsource:
    product: aws
    service: cloudtrail
detection:
    selection_source:
        eventSource: rds.amazonaws.com
        responseElements.pendingModifiedValues.masterUserPassword|contains: '*'
        eventName: ModifyDBInstance
    condition: selection_source
falsepositives:
    - Benign changes to a db instance
level: medium