Microsoft Sentinel Analytic Rules
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Automatic image scanning disabled for ECR

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Id19602494-94af-43c8-90ba-eb0e14999612
RulenameAutomatic image scanning disabled for ECR
DescriptionImage 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.
SeverityMedium
TacticsDefenseEvasion
TechniquesT1562
Required data connectorsAWS
KindScheduled
Query frequency1d
Query period1d
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ECRImageScanningDisabled.yaml
Version1.0.0
Arm template19602494-94af-43c8-90ba-eb0e14999612.json
Deploy To Azure
AWSCloudTrail
| where EventName == "PutImageScanningConfiguration" and isempty(ErrorCode) and isempty(ErrorMessage)
| extend scanOnPush = parse_json(tostring((parse_json(RequestParameters).imageScanningConfiguration))).scanOnPush
| where scanOnPush == false
| distinct TimeGenerated, EventName, SourceIpAddress, UserIdentityArn, UserIdentityUserName
| extend UserIdentityUserName = iff(isnotempty(UserIdentityUserName), UserIdentityUserName, tostring(split(UserIdentityArn,'/')[-1]))
| extend timestamp = TimeGenerated, IPCustomEntity = SourceIpAddress, AccountCustomEntity = UserIdentityUserName
requiredDataConnectors:
- connectorId: AWS
  dataTypes:
  - AWSCloudTrail
triggerOperator: gt
queryFrequency: 1d
name: Automatic image scanning disabled for ECR
status: Available
queryPeriod: 1d
id: 19602494-94af-43c8-90ba-eb0e14999612
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
query: |
  AWSCloudTrail
  | where EventName == "PutImageScanningConfiguration" and isempty(ErrorCode) and isempty(ErrorMessage)
  | extend scanOnPush = parse_json(tostring((parse_json(RequestParameters).imageScanningConfiguration))).scanOnPush
  | where scanOnPush == false
  | distinct TimeGenerated, EventName, SourceIpAddress, UserIdentityArn, UserIdentityUserName
  | extend UserIdentityUserName = iff(isnotempty(UserIdentityUserName), UserIdentityUserName, tostring(split(UserIdentityArn,'/')[-1]))
  | extend timestamp = TimeGenerated, IPCustomEntity = SourceIpAddress, AccountCustomEntity = UserIdentityUserName  
version: 1.0.0
kind: Scheduled
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ECRImageScanningDisabled.yaml
entityMappings:
- entityType: Account
  fieldMappings:
  - identifier: FullName
    columnName: AccountCustomEntity
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: IPCustomEntity
relevantTechniques:
- T1562
tactics:
- DefenseEvasion
triggerThreshold: 0
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/19602494-94af-43c8-90ba-eb0e14999612')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/19602494-94af-43c8-90ba-eb0e14999612')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01-preview",
      "properties": {
        "displayName": "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.'\n",
        "severity": "Medium",
        "enabled": true,
        "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| distinct TimeGenerated, EventName, SourceIpAddress, UserIdentityArn, UserIdentityUserName\n| extend UserIdentityUserName = iff(isnotempty(UserIdentityUserName), UserIdentityUserName, tostring(split(UserIdentityArn,'/')[-1]))\n| extend timestamp = TimeGenerated, IPCustomEntity = SourceIpAddress, AccountCustomEntity = UserIdentityUserName\n",
        "queryFrequency": "P1D",
        "queryPeriod": "P1D",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1562"
        ],
        "alertRuleTemplateName": "19602494-94af-43c8-90ba-eb0e14999612",
        "customDetails": null,
        "entityMappings": [
          {
            "fieldMappings": [
              {
                "identifier": "FullName",
                "columnName": "AccountCustomEntity"
              }
            ],
            "entityType": "Account"
          },
          {
            "fieldMappings": [
              {
                "identifier": "Address",
                "columnName": "IPCustomEntity"
              }
            ],
            "entityType": "IP"
          }
        ],
        "templateVersion": "1.0.0",
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ECRImageScanningDisabled.yaml",
        "status": "Available"
      }
    }
  ]
}