AWS-IAM-Permissions-Scanner/docs/reference-scan-role.yaml at master · nemo-wq/AWS-IAM-Permissions-Scanner · GitHub

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AWSTemplateFormatVersion: "2010-09-09"
Description: Read-only reference role for AWS IAM Exposure Review

Parameters:
  TrustedAccountId:
    Type: String
    AllowedPattern: "^[0-9]{12}$"
    Description: AWS account that is permitted to run the scanner
  ExternalId:
    Type: String
    MinLength: 16
    NoEcho: true
    Description: Unique external ID supplied by the scanner operator or hosted service
  RoleName:
    Type: String
    Default: IAMExposureReviewReadOnly

Resources:
  ScanRole:
    Type: AWS::IAM::Role
    Properties:
      RoleName: !Ref RoleName
      MaxSessionDuration: 3600
      AssumeRolePolicyDocument:
        Version: "2012-10-17"
        Statement:
          - Effect: Allow
            Principal:
              AWS: !Sub "arn:${AWS::Partition}:iam::${TrustedAccountId}:root"
            Action: sts:AssumeRole
            Condition:
              StringEquals:
                sts:ExternalId: !Ref ExternalId
      Policies:
        - PolicyName: IAMExposureReviewReadOnly
          PolicyDocument:
            Version: "2012-10-17"
            Statement:
              - Sid: IdentityAndCredentialMetadata
                Effect: Allow
                Action:
                  - iam:GenerateCredentialReport
                  - iam:GetAccountAuthorizationDetails
                  - iam:GetAccessKeyLastUsed
                  - iam:GetCredentialReport
                  - iam:GetLoginProfile
                  - iam:ListAccessKeys
                  - iam:ListAccountAliases
                  - iam:ListInstanceProfiles
                  - iam:ListMFADevices
                Resource: "*"
              - Sid: CallerIdentity
                Effect: Allow
                Action: sts:GetCallerIdentity
                Resource: "*"
              - Sid: NativeAnalyzerEnrichment
                Effect: Allow
                Action:
                  - access-analyzer:ListAnalyzers
                  - access-analyzer:ListFindings
                Resource: "*"
              - Sid: OrganizationConstraintEnrichment
                Effect: Allow
                Action:
                  - organizations:DescribeOrganization
                  - organizations:DescribePolicy
                  - organizations:ListParents
                  - organizations:ListPoliciesForTarget
                Resource: "*"

Outputs:
  RoleArn:
    Value: !GetAtt ScanRole.Arn
  RoleName:
    Value: !Ref ScanRole