AWS Security Hub - Detect IAM Policies allowing full administrative privileges

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Id	de1f71d2-d127-439d-a8a2-e64d3187298a
Rulename	AWS Security Hub - Detect IAM Policies allowing full administrative privileges
Description	This query detects AWS IAM policies that allow full administrative ("*") privileges in violation of AWS Security Hub control IAM.1. Overly permissive policies increase the risk of privilege escalation and unauthorized access.
Severity	High
Tactics	Persistence PrivilegeEscalation
Techniques	T1098.003 T1078.001
Required data connectors	AWSSecurityHub
Kind	Scheduled
Query frequency	1h
Query period	1h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AWS%20Security%20Hub/Analytic%20Rules/IAMPolicyWithFullAdminPriv.yaml
Version	1.0.0
Arm template	de1f71d2-d127-439d-a8a2-e64d3187298a.json

KQL

AWSSecurityHubFindings
| where RecordState == "ACTIVE" and ComplianceStatus == "FAILED"
// Match Security Hub control IAM.1 by GeneratorId or explicit SecurityControlId/Title
| where tostring(AwsSecurityFindingGeneratorId) == "security-control/IAM.1"
  or tostring(ComplianceSecurityControlId) == "IAM.1"
| extend
  IAMPolicyId = tostring(Resources[0].Details.AwsIamPolicy.PolicyId),
  IAMPolicyName =  tostring(Resources[0].Details.AwsIamPolicy.PolicyName),
  IAMPolicyDescription = tostring(Resources[0].Details.AwsIamPolicy.Description)
| summarize TimeGenerated = max(TimeGenerated)
  by
  AwsAccountId,
  AwsRegion,
  AwsSecurityFindingTitle,
  AwsSecurityFindingDescription,
  AwsSecurityFindingId,
  ComplianceSecurityControlId,
  IAMPolicyId,
  IAMPolicyName,
  IAMPolicyDescription

YAML

entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: AwsAccountId
    identifier: Name
  - columnName: AwsAccountId
    identifier: CloudAppAccountId
query: |
  AWSSecurityHubFindings
  | where RecordState == "ACTIVE" and ComplianceStatus == "FAILED"
  // Match Security Hub control IAM.1 by GeneratorId or explicit SecurityControlId/Title
  | where tostring(AwsSecurityFindingGeneratorId) == "security-control/IAM.1"
    or tostring(ComplianceSecurityControlId) == "IAM.1"
  | extend
    IAMPolicyId = tostring(Resources[0].Details.AwsIamPolicy.PolicyId),
    IAMPolicyName =  tostring(Resources[0].Details.AwsIamPolicy.PolicyName),
    IAMPolicyDescription = tostring(Resources[0].Details.AwsIamPolicy.Description)
  | summarize TimeGenerated = max(TimeGenerated)
    by
    AwsAccountId,
    AwsRegion,
    AwsSecurityFindingTitle,
    AwsSecurityFindingDescription,
    AwsSecurityFindingId,
    ComplianceSecurityControlId,
    IAMPolicyId,
    IAMPolicyName,
    IAMPolicyDescription
id: de1f71d2-d127-439d-a8a2-e64d3187298a
queryFrequency: 1h
alertDetailsOverride:
  alertDisplayNameFormat: AWS Account {{AwsAccountId}} has IAM Policy with full administrative privileges
  alertDescriptionFormat: AWS Account {{AwsAccountId}} has IAM Policy {{IAMPolicyId}} with full administrative privileges.
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AWS%20Security%20Hub/Analytic%20Rules/IAMPolicyWithFullAdminPriv.yaml
version: 1.0.0
severity: High
relevantTechniques:
- T1098.003
- T1078.001
name: AWS Security Hub - Detect IAM Policies allowing full administrative privileges
tags:
- PCI DSS v3.2.1
- NIST 800-53 r5
- CIS AWS Foundations Benchmark v1.4.0
kind: Scheduled
tactics:
- Persistence
- PrivilegeEscalation
requiredDataConnectors:
- dataTypes:
  - AWSSecurityHubFindings
  connectorId: AWSSecurityHub
description: |
  This query detects AWS IAM policies that allow full administrative ("*") privileges in violation of AWS Security Hub control IAM.1.
  Overly permissive policies increase the risk of privilege escalation and unauthorized access.
customDetails:
  ComplianceControlId: ComplianceSecurityControlId
  Region: AwsRegion
  FindingId: AwsSecurityFindingId
triggerOperator: gt
triggerThreshold: 0
queryPeriod: 1h

ARM

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/de1f71d2-d127-439d-a8a2-e64d3187298a')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/de1f71d2-d127-439d-a8a2-e64d3187298a')]",
      "properties": {
        "alertDetailsOverride": {
          "alertDescriptionFormat": "AWS Account {{AwsAccountId}} has IAM Policy {{IAMPolicyId}} with full administrative privileges.",
          "alertDisplayNameFormat": "AWS Account {{AwsAccountId}} has IAM Policy with full administrative privileges"
        },
        "alertRuleTemplateName": "de1f71d2-d127-439d-a8a2-e64d3187298a",
        "customDetails": {
          "ComplianceControlId": "ComplianceSecurityControlId",
          "FindingId": "AwsSecurityFindingId",
          "Region": "AwsRegion"
        },
        "description": "This query detects AWS IAM policies that allow full administrative (\"*\") privileges in violation of AWS Security Hub control IAM.1.\nOverly permissive policies increase the risk of privilege escalation and unauthorized access.\n",
        "displayName": "AWS Security Hub - Detect IAM Policies allowing full administrative privileges",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AwsAccountId",
                "identifier": "Name"
              },
              {
                "columnName": "AwsAccountId",
                "identifier": "CloudAppAccountId"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/AWS%20Security%20Hub/Analytic%20Rules/IAMPolicyWithFullAdminPriv.yaml",
        "query": "AWSSecurityHubFindings\n| where RecordState == \"ACTIVE\" and ComplianceStatus == \"FAILED\"\n// Match Security Hub control IAM.1 by GeneratorId or explicit SecurityControlId/Title\n| where tostring(AwsSecurityFindingGeneratorId) == \"security-control/IAM.1\"\n  or tostring(ComplianceSecurityControlId) == \"IAM.1\"\n| extend\n  IAMPolicyId = tostring(Resources[0].Details.AwsIamPolicy.PolicyId),\n  IAMPolicyName =  tostring(Resources[0].Details.AwsIamPolicy.PolicyName),\n  IAMPolicyDescription = tostring(Resources[0].Details.AwsIamPolicy.Description)\n| summarize TimeGenerated = max(TimeGenerated)\n  by\n  AwsAccountId,\n  AwsRegion,\n  AwsSecurityFindingTitle,\n  AwsSecurityFindingDescription,\n  AwsSecurityFindingId,\n  ComplianceSecurityControlId,\n  IAMPolicyId,\n  IAMPolicyName,\n  IAMPolicyDescription\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "PT1H",
        "severity": "High",
        "status": "Available",
        "subTechniques": [
          "T1098.003",
          "T1078.001"
        ],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Persistence",
          "PrivilegeEscalation"
        ],
        "tags": [
          "PCI DSS v3.2.1",
          "NIST 800-53 r5",
          "CIS AWS Foundations Benchmark v1.4.0"
        ],
        "techniques": [
          "T1078",
          "T1098"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}