Update Login Profile For Existing User (aws)

Platform	Author	Last Update
aws	Nick Jones	2024-12-02

An adversary may attempt to maintain access by updating an existing user’s login profile, allowing them to authenticate to the AWS console with a password of their choice.

MITRE IDs

T1098

Required Permissions

iam:UpdateLoginProfile

Required Parameters

Name	Type	Description	Example Value
user	str	IAM user to update the login profile for	root
password	str	Password to configure for login profile	@#$%^&*()TestPass1234567890

Attacker Action

aws iam update-login-profile -user-name user -password password -no-password-reset-required

Detection Case

ELK query

When logs are ingested into ELK, the following Lucene query can be used to identify relevant events.

eventName:UpdateLoginProfile AND eventSource:iam.amazonaws.com

Sigma Definition

---
title: Update login profile for existing user
id: 1fd04a6c-cf1f-4169-a9aa-1fd495f99930
status: experimental
author: Nick Jones
date: 2024-12-02
description: An adversary may attempt to maintain access by updating an existing user's login profile, allowing them to authenticate to the AWS console with a password of their choice.
logsource:
  service: cloudtrail
detection:
  selection_source:
    - eventSource: "iam.amazonaws.com"
  events:
    - eventName: "UpdateLoginProfile"
  condition: selection_source and events
level: low
tags:
  - attack.T1098


falsepositives:
  - Developers making legitimate changes to the environment. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.