ECR image scan findings high or critical

Back


Id	f6928301-56da-4d2c-aabe-e1a552bc8892
Rulename	ECR image scan findings high or critical
Description	AWS ECR Image scan detected critical or high-severity vulnerabilities in your container image.
Severity	High
Tactics	Execution
Techniques	T1204
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_ECRContainerHigh.yaml
Version	1.0.2
Arm template	f6928301-56da-4d2c-aabe-e1a552bc8892.json

KQL

AWSCloudTrail
| where EventName == "DescribeImageScanFindings" and isempty(ErrorCode) and isempty(ErrorMessage)
| extend repoName = tostring(parse_json(ResponseElements).repositoryName)
| extend imageId = tostring(parse_json(ResponseElements).imageId.imageDigest)
| extend Critical = toint(parse_json(ResponseElements).imageScanFindings.findingSeverityCounts.CRITICAL)
| extend High = toint(parse_json(ResponseElements).imageScanFindings.findingSeverityCounts.HIGH)
| where Critical > 0 or High > 0
| 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]), "")
| extend timestamp = TimeGenerated

YAML

name: ECR image scan findings high or critical
id: f6928301-56da-4d2c-aabe-e1a552bc8892
description: |
    'AWS ECR Image scan detected critical or high-severity vulnerabilities in your container image.'
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - columnName: AccountName
    identifier: Name
  - columnName: AccountUPNSuffix
    identifier: UPNSuffix
  - columnName: RecipientAccountId
    identifier: CloudAppAccountId
  entityType: Account
- fieldMappings:
  - columnName: SourceIpAddress
    identifier: Address
  entityType: IP
version: 1.0.2
triggerOperator: gt
query: |
  AWSCloudTrail
  | where EventName == "DescribeImageScanFindings" and isempty(ErrorCode) and isempty(ErrorMessage)
  | extend repoName = tostring(parse_json(ResponseElements).repositoryName)
  | extend imageId = tostring(parse_json(ResponseElements).imageId.imageDigest)
  | extend Critical = toint(parse_json(ResponseElements).imageScanFindings.findingSeverityCounts.CRITICAL)
  | extend High = toint(parse_json(ResponseElements).imageScanFindings.findingSeverityCounts.HIGH)
  | where Critical > 0 or High > 0
  | 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]), "")
  | extend timestamp = TimeGenerated  
tactics:
- Execution
kind: Scheduled
queryFrequency: 1d
severity: High
queryPeriod: 1d
requiredDataConnectors:
- dataTypes:
  - AWSCloudTrail
  connectorId: AWS
status: Available
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Amazon Web Services/Analytic Rules/AWS_ECRContainerHigh.yaml
relevantTechniques:
- T1204

ARM