Create New Policy Version¶
| Platform | Author | Last Update |
|---|---|---|
| aws | Nick Jones | 2023-07-01 |
An attacker may attempt to create a new version of a given IAM policy in order to attach extra permissions to an entity they control.
MITRE IDs¶
Required Permissions¶
- iam:CreatePolicyVersion
Required Parameters¶
| Name | Type | Description | Example Value |
|---|---|---|---|
| policy_arn | str | ARN of the policy to create a new version for | arn:aws:iam::123456789012:policy/test |
| policy_document | str | New policy to upload - for the CLI, this should be a path to the json document. For Leonidas, this should be the JSON document itself. | file://path/to/administrator/policy.json |
Attacker Action¶
aws iam create-policy-version –policy-arn policy_arn –policy-document policy_document –set-as-default
Detection Case¶
ELK query¶
When logs are ingested into ELK, the following Lucene query can be used to identify relevant events.
eventName:CreatePolicyVersion AND eventSource:iam.amazonaws.com
Sigma Definition¶
---
title: Create New Policy Version
id: b5104c3a-40f4-464a-934a-a917a89faf1a
status: experimental
author: Nick Jones
date: 2023-07-01
description: An attacker may attempt to create a new version of a given IAM policy in order to attach extra permissions to an entity they control.
logsource:
service: cloudtrail
detection:
selection_source:
- eventSource: "iam.amazonaws.com"
events:
- eventName: "CreatePolicyVersion"
condition: selection_source AND events
level: low
tags:
- attack.T1098