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PutRolePolicy

AWS

PutRolePolicy

service: AWS - IAM
techniques:

Event

Creates or updates an inline policy embedded directly in an IAM role.

Security Context

  • Adversaries attach overly permissive policies to maintain persistent, elevated access even after initial credentials are rotated.

Log Source

CloudTrail

Sample Event

Adversarial. Draco — using a session credential issued via a chained STS call from his earlier privesc — backdoors OccamyPipelineRole by attaching an inline policy draco-backdoor-policy granting Action: "*" on Resource: "*". This survives even if his own user draco is later disabled, because the policy lives on a service role that data pipelines need to keep running. Classic T1098 IAM persistence.

{
"eventVersion": "1.09",
"userIdentity": {
"type": "IAMUser",
"principalId": "AIDADRAC0MALF0YBADGY",
"arn": "arn:aws:iam::555123456789:user/draco",
"accountId": "555123456789",
"accessKeyId": "AKIADRAC0MALF0YEXAMP5",
"userName": "draco",
"sessionContext": {
"attributes": {
"creationDate": "2026-04-15T18:51:02Z",
"mfaAuthenticated": "false"
}
}
},
"eventTime": "2026-04-15T19:21:33Z",
"eventSource": "iam.amazonaws.com",
"eventName": "PutRolePolicy",
"awsRegion": "us-east-1",
"sourceIPAddress": "203.0.113.66",
"userAgent": "aws-cli/1.18.147 Python/3.7.10 Linux/5.4.0-1045-aws botocore/1.18.6",
"requestParameters": {
"roleName": "OccamyPipelineRole",
"policyName": "draco-backdoor-policy",
"policyDocument": "%7B%22Version%22%3A%222012-10-17%22%2C%22Statement%22%3A%5B%7B%22Effect%22%3A%22Allow%22%2C%22Action%22%3A%22%2A%22%2C%22Resource%22%3A%22%2A%22%7D%5D%7D"
},
"responseElements": null,
"requestID": "90000000-0000-4000-8000-000110010010",
"eventID": "90000000-0000-4000-8000-000110010011",
"readOnly": false,
"eventType": "AwsApiCall",
"managementEvent": true,
"recipientAccountId": "555123456789",
"eventCategory": "Management",
"tlsDetails": {
"tlsVersion": "TLSv1.3",
"cipherSuite": "TLS_AES_128_GCM_SHA256",
"clientProvidedHostHeader": "iam.amazonaws.com"
}
}

MITRE ATT&CK Mapping

Tactics: Persistence Privilege Escalation

Techniques:
  • T1098 — Account Manipulation — Adversaries may manipulate accounts to maintain and/or elevate access to victim systems. Account manipulation may consist of any action that preserves or modifies adversary access to a compromised account, such as modifying credentials or permission groups. These actions could also include accoun...