Update Inline Policy for User¶
| Platform | Author | Last Update |
|---|---|---|
| aws | Nick Jones | 2023-07-01 |
An adversary may attempt to update the inline policy set on an IAM user, in order to alter the permissions assigned to a user they have compromised.
MITRE IDs¶
Required Permissions¶
- iam:PutUserPolicy
Required Parameters¶
| Name | Type | Description | Example Value |
|---|---|---|---|
| user | str | user to add policy to | NONE |
| policyname | str | name of new inline policy | ExamplePolicy |
| policydocument | file | file of new inline policy to set | file://examplepolicy.json |
Attacker Action¶
aws iam put-user-policy --user-name NONE --policy-name ExamplePolicy --policy-document file://examplepolicy.json
Detection Case¶
ELK query¶
When logs are ingested into ELK, the following Lucene query can be used to identify relevant events.
eventName:AttachGroupPolicy AND eventSource:iam.amazonaws.com
Sigma Definition¶
---
title: Update Inline Policy for User
id: 3f460fd0-f120-4c06-9365-140d1c4c8fda
status: experimental
author: Nick Jones
date: 2023-07-01
description: An adversary may attempt to update the inline policy set on an IAM user, in order to alter the permissions assigned to a user they have compromised.
logsource:
service: cloudtrail
detection:
selection_source:
- eventSource: "iam.amazonaws.com"
events:
- eventName: "AttachGroupPolicy"
condition: selection_source AND events
level: low
tags:
- attack.T1098