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

triggerOperator: gt
queryFrequency: 1d
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.'
status: Available
kind: Scheduled
triggerThreshold: 0
requiredDataConnectors:
- connectorId: AWS
  dataTypes:
  - AWSCloudTrail
version: 1.0.1
queryPeriod: 1d
name: Automatic image scanning disabled for ECR
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ECRImageScanningDisabled.yaml
id: 19602494-94af-43c8-90ba-eb0e14999612
tactics:
- DefenseEvasion
relevantTechniques:
- T1562
severity: Medium
entityMappings:
- fieldMappings:
  - identifier: Name
    columnName: AccountName
  - identifier: UPNSuffix
    columnName: AccountUPNSuffix
  - identifier: CloudAppAccountId
    columnName: RecipientAccountId
  entityType: Account
- fieldMappings:
  - identifier: Address
    columnName: SourceIpAddress
  entityType: IP
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

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"
    }
  ]
}