2225
All about cloud security Contacts: @AMark0f @dvyakimov About DevSecOps: @sec_devops
🔶 Deep dive into the new Amazon EKS Pod Identity feature
Earlier this week, AWS released a new feature, EKS Pod Identity, that aims to simplify granting AWS access to pods running in an EKS cluster. This post deep-dives into how this feature works, some elements that make it unique, and why you might consider using it.
https://securitylabs.datadoghq.com/articles/eks-pod-identity-deep-dive/
#aws
🔶 Preventing Accidental Internet-Exposure of AWS Resources
Many AWS customers have suffered breaches due to exposing resources to the Internet by accident. This three-part series walks through different ways to mitigate that risk.
https://kevinhock.github.io/2023/11/26/preventing-accidental-internet-exposure-of-aws-resources-part-1-vpc.html
#aws
🔶 How to use multiple instances of AWS IAM Identity Center
You can now have two types of IAM Identity Center instances: organization instances and account instances.
https://aws.amazon.com/ru/blogs/security/how-to-use-multiple-instances-of-aws-iam-identity-center/
#aws
🔶 Establishing a data perimeter on AWS: Require services to be created only within expected networks
How to use preventative controls to help ensure that your resources are deployed within your VPC, so that you can effectively enforce the network perimeter controls.
https://aws.amazon.com/ru/blogs/security/establishing-a-data-perimeter-on-aws-require-services-to-be-created-only-within-expected-networks/
#aws
🔷 (Ab)using the Microsoft Identity Platform: Exploring Azure AD Token Caching
Presentation examining how JSON Web Token (JWT) caching works in corporate settings with Azure Active Directory (Azure AD) integration, including Azure AD Joined and Hybrid environments.
https://github.com/FuzzySecurity/SANS-HackFest-2023/blob/main/SANS_HackFest23-Abusing_The-Microsoft-Identity-Platform.pdf
#azure
🔷 Public preview: Confidential containers on Azure Kubernetes Service (AKS)
AKS now lets you run individual pods in their own trusted execution environment (TEE).
https://techcommunity.microsoft.com/t5/apps-on-azure-blog/public-preview-confidential-containers-on-aks/ba-p/3980871
#azure
🔶🔷🔴 State of Cloud Security
Datadog analyzed data from thousands of organizations to understand the latest trends in cloud security posture.
https://www.datadoghq.com/state-of-cloud-security/
#aws #azure #gcp
🔴 Introducing Advanced Vulnerability Insights for GKE
Artifact Analysis in partnership with Google Kubernetes Engine has introduced a new vulnerability scanning offering called Advanced Vulnerability Insights.
https://cloud.google.com/blog/products/identity-security/introducing-advanced-vulnerability-insights-for-gke
#gcp
🔷 The Triforce of Initial Access
The article emphasizes that the success of Red Teaming often hinges on the quality of information (loot) gathered and the effectiveness of the tools used, such as Evilginx, ROADtools, and TeamFiltration, complemented by the Bobber script.
https://trustedsec.com/blog/the-triforce-of-initial-access
#azure
🔷 Weather Forecast: Money Is Going to Rain from the Cloud
SafeBreach researchers discovered and exploited a billing flaw in Azure Automation Service, enabling free, hidden, and unstoppable cryptocurrency mining using Python scripts and Runbooks.
https://www.safebreach.com/blog/cryptocurrency-miner-microsoft-azure
#azure
🔶🔴 ApatchMe - Authenticated Stored XSS Vulnerability in AWS and GCP Apache Airflow Services
Unpatched Apache Airflow instances used in AWS and GCP allow an exploitable stored XSS through the task instance details page.
https://www.tenable.com/blog/apatchme-authenticated-stored-xss-vulnerability-in-aws-and-gcp-apache-airflow-services
(Use VPN to open from Russia)
#aws #gcp
🔶 The deputy is confused about AWS Security Hub
The article highlights a potential issue with AWS Security Hub where incorrect AWS account IDs could lead to cross-tenant data pollution, potentially allowing an attacker to pollute someone else's Security Hub.
https://blog.plerion.com/the-deputy-is-confused-about-aws-security-hub/
#aws
🔶 AWS Network Firewall egress filtering can be easily bypassed
If you are thinking of or are already using AWS Network Firewall to control and filter egress traffic to only allow connections to approved destination sites, you need to read this post, as it may not work as you have thought.
https://canglad.com/blog/2023/aws-network-firewall-egress-filtering-can-be-easily-bypassed/
#aws
🔶 Fargate and Cribl (Stream): How We Got It Working
The article discusses deploying Cribl using AWS Fargate to manage log data more effectively, outlining an approach to setting up this infrastructure.
https://floqast.com/engineering-blog/post/fargate-and-cribl-stream-how-we-got-it-working/
#aws
🔷 Exploring the Dark Side of Package Files and Storage Account Abuse
How attackers can abuse the Storage Account's connection string to gain unauthorized access to the Function Apps.
https://3xpl01tc0d3r.blogspot.com/2023/10/exploring-dark-side-of-package-files.html
#azure
🔴 Pwning Cloud Contexts, The Endgame
Slides from a Black Hat MEA 2023 talk discussing how a GitHub token led to the compromise of an entire GCP organization.
https://docs.google.com/presentation/d/1sVZohEgGKDkgwgVNzquNzSzKdLDMOFgAiiR78kcgBAw/edit#slide=id.g29a3b4d3924_0_137
#gcp
🔷 All the Small Things: Azure CLI Leakage and Problematic Usage Patterns
Post discussing the unintentional leakage of Azure Application Variables in GitHub build logs due to Azure CLI's default behavior.
https://www.paloaltonetworks.com/blog/prisma-cloud/secrets-leakage-user-error-azure-cli/
#azure
🔴 Enhancing Cybersecurity with Security Command Center's Attack Path Simulations and Attack Exposure Scoring
Security Command Center (SCC) recently introduced two new features: Attack Path Simulation (APS) and Attack Exposure Scoring (AES).
https://medium.com/google-cloud/enhancing-cybersecurity-with-security-command-centers-attack-path-simulation-and-attack-path-46c527cd4927
(Use VPN to open from Russia)
#gcp
🔶 Reversing AWS IAM unique IDs
How to identify the ARN of a user/role from AWS IAM unique IDs, often seen in CloudTrail logs.
https://awsteele.com/blog/2023/11/19/reversing-aws-iam-unique-ids.html
#aws
🔶 Building sensitive data remediation workflows in multi-account AWS environments
A solution that provides you with visibility into sensitive data residing across a fleet of AWS accounts through a ChatOps-style notification mechanism using Microsoft Teams, which also provides contextual information needed to conduct security investigations.
https://aws.amazon.com/ru/blogs/security/building-sensitive-data-remediation-workflows-in-multi-account-aws-environments/
#aws
🔶 Lambda Extensions: Exploring Misuse Scenarios and Stratus Red Team Module Development
Post analyzing a well-known attack vector and then showing how to build a module for Stratus Red Team, a self-contained binary we can use to detonate offensive attack techniques against a live cloud environment easily.
https://awstip.com/lambda-extensions-exploring-misuse-scenarios-and-stratus-red-team-module-development-b63c5a73491a
(Use VPN to open from Russia)
#aws
🔷 Mistaken Identity: Extracting Managed Identity Credentials from Azure Function Apps
The article discusses a security vulnerability in Azure Function Apps, where Linux containers use an encrypted startup context file that can be decrypted to expose sensitive data, including Managed Identity certificates.
https://www.netspi.com/blog/technical/cloud-penetration-testing/mistaken-identity-azure-function-apps
#azure
🔶 How to create an AMI hardening pipeline and automate updates to your ECS instance fleet
How to create a workflow to enhance Amazon ECS-optimized AMIs by using the CIS Docker Benchmark and automatically updating your EC2 instances in your ECS cluster with the newly created AMIs.
https://aws.amazon.com/ru/blogs/security/how-to-create-an-ami-hardening-pipeline-and-automate-updates-to-your-ecs-instance-fleet/
#aws
🔷 Spoofing Microsoft Entra ID Verified Publisher Status
It was possible to manipulate the consenting process of a legitimate verified publisher application to implant malicious unverified applications within a Microsoft Entra ID tenant.
https://www.secureworks.com/research/spoofing-microsoft-entra-id-verified-publisher-status
#azure
🔶 Announcing the EKS Cluster Games
Wiz released "The EKS Cluster Games", a cloud security Capture The Flag (CTF) event. The mission? To identify and learn about common Amazon EKS security issues.
https://www.wiz.io/blog/announcing-the-eks-cluster-games
#aws
🔴 Migrating to Google Workspace: Solving Email Routing Challenges
My firsthand experience with migrating from Cloudflare Email Routing to Google Workspace.
https://blog.marcolancini.it/2023/blog-migrate-to-google-workspace/
#gcp
🔶 CloudKeys in the Air: Tracking Malicious Operations of Exposed IAM Keys
PaloAlto analyzes an attack path starting with GitHub IAM exposure and leading to creation of AWS Elastic Compute instances, which TAs used to perform cryptojacking.
https://unit42.paloaltonetworks.com/malicious-operations-of-exposed-iam-keys-cryptojacking/
#aws
🔴 Detect transitive access to sensitive Google Cloud resources
If a user can successfully authenticate as a service account, they gain access to all the IAM permissions associated with that account.
https://p0.dev/blog/transitive-access-gcp
#gcp
🔶 Securing attacks targeted at user or kernel level for customer X with KubeArmor & AWS Bottlerock
The article outlines how KubeArmor and AWS Bottlerocket enhance security in Kubernetes deployments. KubeArmor aids in blocking unwanted binaries and applying granular controls at the container level, while AWS Bottlerocket fortifies host and worker nodes.
https://www.cncf.io/blog/2023/10/26/securing-attacks-targeted-at-user-or-kernel-level-for-customer-x-with-kubearmor-aws-bottlerocket/
#aws
🔴 Cloud CISO Perspectives: How boards can help cyber-crisis communications
Google Cloud CISO Phil Venables talks about the important (and often undervalued) organizational skill of crisis communications.
https://cloud.google.com/blog/products/identity-security/cloud-ciso-perspectives-how-boards-can-help-cyber-crisis-communications/
#gcp