The HazyBeacon Protocol – How Malware Weaponizes Amazon Web Services (AWS) Lambda Function URLs

Key Takeaways HazyBeacon CL-STA-1020 targets Southeast Asian government networks by abusing AWS Lambda Function URLs configured with AuthType: NONE as stealth command-and-control relays. Attackers use stolen IAM credentials to deploy Lambda functions that proxy malware communications through...

@hulumi/baseline: CloudTrail selector tampering events were not fully detected

Impact: @hulumi/baseline versions before 1.3.2 could miss some CloudTrail event-selector tampering evidence, reducing coverage for changes to audit logging configuration. Patched in 1.3.2: detection coverage and regression tests were expanded. Remediation: upgrade @hulumi/baseline to 1.3.2 or lat...

GHSA-GFP8-MP24-5VXG @hulumi/baseline: CloudTrail selector tampering events were not fully detected

Impact: @hulumi/baseline versions before 1.3.2 could miss some CloudTrail event-selector tampering evidence, reducing coverage for changes to audit logging configuration. Patched in 1.3.2: detection coverage and regression tests were expanded. Remediation: upgrade @hulumi/baseline to 1.3.2 or lat...

Simplifying AWS defense with Microsoft Sentinel UEBA

In this article 1. Under the hood: The tables 2. Traditional vs. new approach 3. Real-world attack scenarios: Microsoft Sentinel UEBA in action 4. Practical implementation: Getting started 5. Limitations and constraints 6. From raw logs to behavioral context With the expansion of Microsoft Sentin...

Simplifying AWS defense with Microsoft Sentinel UEBA

In this article 1. Under the hood: The tables 2. Traditional vs. new approach 3. Real-world attack scenarios: Microsoft Sentinel UEBA in action 4. Practical implementation: Getting started 5. Limitations and constraints 6. From raw logs to behavioral context With the expansion of Microsoft Sentin...

AWS VDP: AWS Auto Scaling Service Reporting "AWS Internal" for CloudTrail Events Generated from Specific Endpoints

A vulnerability was discovered in the AWS Auto Scaling service, where 6 API endpoints incorrectly reported the user-agent and network information as "AWS Internal" in CloudTrail logs. This allowed the adversary to perform API calls using these endpoints and evade the logging of their IP address a...

AWS VDP: Non-Production API Endpoints for the AI Ops Service Fails to Log to CloudTrail Resulting in Silent Permission Enumeration

The vulnerability found that there are 5 non-production endpoints for the AI Ops service that can be used with standard IAM credentials and do not log to CloudTrail. While the endpoints do not appear to provide access to customer partition data, they can be used for permission enumeration without...

AWS VDP: Non-Production API Endpoints for the Route 53 Service Fail to Log to CloudTrail Resulting in Silent Permission Enumeration

The non-production API endpoints for the Route 53 service failed to log to CloudTrail, resulting in silent permission enumeration. Two non-production endpoints were found that could be used with standard IAM credentials without logging to CloudTrail. This allowed an adversary to perform permissio...

AWS VDP: Non-Production API Endpoints for the Neptune Graph Service Fail to Log to CloudTrail Resulting in Silent Permission Enumeration

The non-production API endpoints for the Neptune Graph Service were found to fail logging to CloudTrail, resulting in silent permission enumeration. Specifically, seven non-production endpoints were identified that could be used with standard IAM credentials without generating CloudTrail logs. Th...

AWS CDK CodePipeline: trusted entities are too broad

Summary The AWS Cloud Development Kit CDK is an open-source framework for defining cloud infrastructure using code. Users use it to create their own applications, which are converted to AWS CloudFormation templates during deployment to a user's AWS account. AWS CDK contains pre-built components...

How to use the new CloudTrail network activity events for AWS VPC Endpoints

Learn how AWS VPC Endpoint CloudTrail logs can help you troubleshoot endpoint policies and strengthen your network's security against data exfiltration...

AWS VDP: Non-Production API Endpoints for the Health Service Fail to Log to CloudTrail Resulting in Silent Permission Enumeration

The AWS Health service was found to have 11 non-production API endpoints that could be accessed using standard IAM credentials without logging to CloudTrail. This allowed for silent permission enumeration, where an adversary could test the capabilities of compromised credentials without generatin...

AWS VDP: Non-Production API Endpoints for the Glue Service Fail to Log to CloudTrail Resulting in Silent Permission Enumeration

The AWS Glue service was found to have 12 non-production API endpoints that could be accessed using standard IAM credentials without generating any CloudTrail logs. This allowed for silent permission enumeration, where an adversary could determine the permissions of compromised credentials withou...

AWS VDP: Non-Production API Endpoints for the Global Accelerator Service Fail to Log to CloudTrail Resulting in Silent Permission Enumeration

The researchers discovered that there are 8 non-production endpoints for the Global Accelerator service which can be used with standard IAM credentials and do not log to CloudTrail. This allows for silent permission enumeration, where an adversary can determine the permissions of compromised...

AWS VDP: Non-Production API Endpoint for the EventBridge Service Fails to Log to CloudTrail Resulting in Silent Permission Enumeration

The non-production API endpoint for the EventBridge service was found to fail to log to CloudTrail, resulting in silent permission enumeration. This vulnerability was reported to AWS, as it allowed for the enumeration of permissions of compromised credentials without generating CloudTrail logs,...

AWS VDP: Non-Production API Endpoint for the ElastiCache Service Fails to Log to CloudTrail Resulting in Silent Permission Enumeration

The ElastiCache service contains a non-production API endpoint that allows for permission enumeration without logging to CloudTrail. This could enable an adversary with compromised credentials to silently test the permissions of the credentials...

AWS VDP: (Part 2) Non-Production API Endpoints for the Datazone Service Fail to Log to CloudTrail Resulting in Silent Permission Enumeration

The non-production API endpoints for the Datazone service failed to log to CloudTrail, resulting in silent permission enumeration. The vulnerability was discovered through certificate transparency monitoring, where three additional vulnerable endpoints were identified...

AWS VDP: Non-Production API Endpoints for the DocumentDB Elastic Service Fail to Log to CloudTrail Resulting in Silent Permission Enumeration

The DocumentDB Elastic service was found to have three non-production API endpoints that could be accessed using standard IAM credentials without logging to CloudTrail. This allowed for silent permission enumeration, where an adversary could determine the permissions of compromised credentials...

AWS VDP: Non-Production API Endpoints for the Device Farm Service Fail to Log to CloudTrail Resulting in Silent Permission Enumeration

The Device Farm service was found to have two non-production API endpoints that could be accessed using standard IAM credentials without generating CloudTrail logs. This allowed silent permission enumeration, where an adversary could test the permissions of compromised credentials without...

AWS VDP: Non-Production API Endpoints for the Datazone Service Fail to Log to CloudTrail Resulting in Silent Permission Enumeration

The vulnerability found in the Datazone service allows an adversary to enumerate permissions of compromised credentials without logging to CloudTrail. Forty-four non-production endpoints were identified that can be accessed using standard IAM credentials and do not generate CloudTrail logs. This...