# AWS - MQ Enum

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## Amazon MQ

### Introduction to Message Brokers

**Message brokers** serve as intermediaries, facilitating communication between different software systems, which may be built on varied platforms and programmed in different languages. **Amazon MQ** simplifies the deployment, operation, and maintenance of message brokers on AWS. It provides managed services for **Apache ActiveMQ** and **RabbitMQ**, ensuring seamless provisioning and automatic software version updates.

### AWS - RabbitMQ

RabbitMQ is a prominent **message-queueing software**, also known as a _message broker_ or _queue manager_. It's fundamentally a system where queues are configured. Applications interface with these queues to **send and receive messages**. Messages in this context can carry a variety of information, ranging from commands to initiate processes on other applications (potentially on different servers) to simple text messages. The messages are held by the queue-manager software until they are retrieved and processed by a receiving application. AWS provides an easy-to-use solution for hosting and managing RabbitMQ servers.

### AWS - ActiveMQ

Apache ActiveMQ® is a leading open-source, Java-based **message broker** known for its versatility. It supports multiple industry-standard protocols, offering extensive client compatibility across a wide array of languages and platforms. Users can:

* Connect with clients written in JavaScript, C, C++, Python, .Net, and more.
* Leverage the **AMQP** protocol to integrate applications from different platforms.
* Use **STOMP** over websockets for web application message exchanges.
* Manage IoT devices with **MQTT**.
* Maintain existing **JMS** infrastructure and extend its capabilities.

ActiveMQ's robustness and flexibility make it suitable for a multitude of messaging requirements.

## Enumeration

```bash
# List brokers
aws mq list-brokers

# Get broker info
aws mq describe-broker --broker-id <broker-id>
## Find endpoints in .BrokerInstances
## Find if public accessible in .PubliclyAccessible

# List usernames (only for ActiveMQ)
aws mq list-users --broker-id <broker-id>

# Get user info (PASSWORD NOT INCLUDED)
aws mq describe-user --broker-id <broker-id> --username <username>

# Lits configurations (only for ActiveMQ)
aws mq list-configurations
## Here you can find if simple or LDAP authentication is used

# Creacte Active MQ user
aws mq create-user --broker-id <value> --password <value> --username <value> --console-access
```

{% hint style="warning" %}
TODO: Indicate how to enumerate RabbitMQ and ActiveMQ internally and how to listen in all queues and send data (send PR if you know how to do this)
{% endhint %}

## Privesc

{% content-ref url="../aws-privilege-escalation/aws-mq-privesc.md" %}
[aws-mq-privesc.md](../aws-privilege-escalation/aws-mq-privesc.md)
{% endcontent-ref %}

## Unauthenticated Access

{% content-ref url="../aws-unauthenticated-enum-access/aws-mq-unauthenticated-enum.md" %}
[aws-mq-unauthenticated-enum.md](../aws-unauthenticated-enum-access/aws-mq-unauthenticated-enum.md)
{% endcontent-ref %}

## Persistence

If you know the credentials to access the RabbitMQ web console, you can create a new user qith admin privileges.

## References

* [https://www.cloudamqp.com/blog/part1-rabbitmq-for-beginners-what-is-rabbitmq.html](https://www.cloudamqp.com/blog/part1-rabbitmq-for-beginners-what-is-rabbitmq.html)
* [https://activemq.apache.org/](https://activemq.apache.org/)

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