Automatic image scanning disabled for ECR

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Id	19602494-94af-43c8-90ba-eb0e14999612
Rulename	Automatic image scanning disabled for ECR
Description	Image Scanning for ECR was disabled, which could lead to missing vulnerable container images in your environment. Attackers could disable the Image Scanning for defense evasion purposes.
Severity	Medium
Tactics	DefenseEvasion
Techniques	T1562
Required data connectors	AWS
Kind	Scheduled
Query frequency	1d
Query period	1d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ECRImageScanningDisabled.yaml
Version	1.0.1
Arm template	19602494-94af-43c8-90ba-eb0e14999612.json

KQL

AWSCloudTrail
| where EventName == "PutImageScanningConfiguration" and isempty(ErrorCode) and isempty(ErrorMessage)
| extend scanOnPush = parse_json(tostring((parse_json(RequestParameters).imageScanningConfiguration))).scanOnPush
| where scanOnPush == false
| extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)
| extend UserName = tostring(split(UserIdentityArn, '/')[-1])
| extend AccountName = case( UserIdentityPrincipalid == "Anonymous", "Anonymous", isempty(UserIdentityUserName), UserName, UserIdentityUserName)
| extend AccountName = iif(AccountName contains "@", tostring(split(AccountName, '@', 0)[0]), AccountName),
  AccountUPNSuffix = iif(AccountName contains "@", tostring(split(AccountName, '@', 1)[0]), "")
| distinct TimeGenerated, EventName, SourceIpAddress, UserIdentityArn, UserIdentityUserName, RecipientAccountId, AccountName, AccountUPNSuffix
| extend timestamp = TimeGenerated

YAML

name: Automatic image scanning disabled for ECR
status: Available
triggerThreshold: 0
severity: Medium
tactics:
- DefenseEvasion
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ECRImageScanningDisabled.yaml
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: AccountName
    identifier: Name
  - columnName: AccountUPNSuffix
    identifier: UPNSuffix
  - columnName: RecipientAccountId
    identifier: CloudAppAccountId
- entityType: IP
  fieldMappings:
  - columnName: SourceIpAddress
    identifier: Address
queryPeriod: 1d
queryFrequency: 1d
version: 1.0.1
triggerOperator: gt
description: |
    'Image Scanning for ECR was disabled, which could lead to missing vulnerable container images in your environment. Attackers could disable the Image Scanning for defense evasion purposes.'
query: |
  AWSCloudTrail
  | where EventName == "PutImageScanningConfiguration" and isempty(ErrorCode) and isempty(ErrorMessage)
  | extend scanOnPush = parse_json(tostring((parse_json(RequestParameters).imageScanningConfiguration))).scanOnPush
  | where scanOnPush == false
  | extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)
  | extend UserName = tostring(split(UserIdentityArn, '/')[-1])
  | extend AccountName = case( UserIdentityPrincipalid == "Anonymous", "Anonymous", isempty(UserIdentityUserName), UserName, UserIdentityUserName)
  | extend AccountName = iif(AccountName contains "@", tostring(split(AccountName, '@', 0)[0]), AccountName),
    AccountUPNSuffix = iif(AccountName contains "@", tostring(split(AccountName, '@', 1)[0]), "")
  | distinct TimeGenerated, EventName, SourceIpAddress, UserIdentityArn, UserIdentityUserName, RecipientAccountId, AccountName, AccountUPNSuffix
  | extend timestamp = TimeGenerated  
relevantTechniques:
- T1562
id: 19602494-94af-43c8-90ba-eb0e14999612
requiredDataConnectors:
- dataTypes:
  - AWSCloudTrail
  connectorId: AWS
kind: Scheduled

ARM

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/19602494-94af-43c8-90ba-eb0e14999612')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/19602494-94af-43c8-90ba-eb0e14999612')]",
      "properties": {
        "alertRuleTemplateName": "19602494-94af-43c8-90ba-eb0e14999612",
        "customDetails": null,
        "description": "'Image Scanning for ECR was disabled, which could lead to missing vulnerable container images in your environment. Attackers could disable the Image Scanning for defense evasion purposes.'\n",
        "displayName": "Automatic image scanning disabled for ECR",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AccountName",
                "identifier": "Name"
              },
              {
                "columnName": "AccountUPNSuffix",
                "identifier": "UPNSuffix"
              },
              {
                "columnName": "RecipientAccountId",
                "identifier": "CloudAppAccountId"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "SourceIpAddress",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ECRImageScanningDisabled.yaml",
        "query": "AWSCloudTrail\n| where EventName == \"PutImageScanningConfiguration\" and isempty(ErrorCode) and isempty(ErrorMessage)\n| extend scanOnPush = parse_json(tostring((parse_json(RequestParameters).imageScanningConfiguration))).scanOnPush\n| where scanOnPush == false\n| extend UserIdentityArn = iif(isempty(UserIdentityArn), tostring(parse_json(Resources)[0].ARN), UserIdentityArn)\n| extend UserName = tostring(split(UserIdentityArn, '/')[-1])\n| extend AccountName = case( UserIdentityPrincipalid == \"Anonymous\", \"Anonymous\", isempty(UserIdentityUserName), UserName, UserIdentityUserName)\n| extend AccountName = iif(AccountName contains \"@\", tostring(split(AccountName, '@', 0)[0]), AccountName),\n  AccountUPNSuffix = iif(AccountName contains \"@\", tostring(split(AccountName, '@', 1)[0]), \"\")\n| distinct TimeGenerated, EventName, SourceIpAddress, UserIdentityArn, UserIdentityUserName, RecipientAccountId, AccountName, AccountUPNSuffix\n| extend timestamp = TimeGenerated\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "severity": "Medium",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1562"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}