Smogcloud - Find Cloud Assets That No One Wants Exposed

Find exposed AWS cloud assets that you did not know you had. A comprehensive asset inventory is step one to any capable security program. We made smogcloud to enable security engineers, penetration testers, and AWS administrators to monitor the collective changes that create dynamic and ephemeral internet-facing assets on a more frequent basis. May be useful to identify:

Internet-facing FQDNs and IPs across one or hundreds of AWS accounts
Misconfigurations or vulnerabilities
Assets that are no longer in use
Services not currently monitored
Shadow IT

Getting Started

Install and setup golang

Install smogcloud using the following command

    go get -u github.com/BishopFox/smogcloud

Set up aws environment variable for the account you wish to query. We suggest utilizing a read-only Security Auditor role. The following commands can be used to set environment variables:
```
export AWS_ACCOUNT_ID=''            # Describe accountexport AWS_ACCESS_KEY_ID=''         # Access key for aws accountexport AWS_SECRET_ACCESS_KEY=''     # Secret key for aws account
```
Run the application
```
smogcloud
```
or
```
go run main.go
```

Current Services

Supported services for extracting internet exposures:

* API Gateway* CloudFront* EC2* Elastic Kubernetes Service* Elastic Beanstalk* Elastic Search* Elastic Load Balancing * IoT* Lightsail* MediaStore* Relational Database Service* Redshift* Route53* S3

AWS Patterns

From studying Open API documentation on RESTful AWS endpoints we determined these are the patterns of exposure URIs that you may find in AWS accounts. It is important to understand how to interact with these native services to test them for vulnerabilities and other misconfigurations. Security engineers may want to monitor Cloudtrail logs or build DNS monitoring for requests to these services.

s3
- https://{user_provided}.s3.amazonaws.com
cloudfront
- https://{random_id}.cloudfront.net
ec2
- ec2-{ip-seperated}.compute-1.amazonaws.com
es
- https://{user_provided}-{random_id}.{region}.es.amazonaws.com
elb
- http://{user_provided}-{random_id}.{region}.elb.amazonaws.com:80
- https://{user_provided}-{random_id}.{region}.elb.amazonaws.com:443
elbv2
- https://{user_provided}-{random_id}.{region}.elb.amazonaws.com
rds
- mysql://{user_provided}.{random_id}.{region}.rds.amazonaws.com:3306
- postgres://{user_provided}.{random_id}.{region}.rds.amazonaws.com:5432
route53
- {user_provided}
execute-api
- https://{random_id}.execute-api.{region}.amazonaws.com/{user_provided}
cloudsearch
- https://doc-{user_provided}-{random_id}.{region}.cloudsearch.amazonaws.com
transfer
- sftp://s-{random_id}.server.transfer.{region}.amazonaws.com
iot
- mqtt://{random_id}.iot.{region}.amazonaws.com:8883
- https://{random_id}.iot.{region}.amazonaws.com:8443
- https://{random_id}.iot.{region}.amazonaws.com:443
mq
- https://b-{random_id}-{1,2}.mq.{region}.amazonaws.com:8162
- ssl://b-{random_id}-{1,2}.mq.{region}.amazonaws.com:61617
kafka
- b-{1,2,3,4}.{user_provided}.{random_id}.c{1,2}.kafka.{region}.amazonaws.com
- {user_provided}.{random_id}.c{1,2}.kafka.{region}.amazonaws.com
cloud9
- https://{random_id}.vfs.cloud9.{region}.amazonaws.com
mediastore
- https://{random_id}.data.mediastore.{region}.amazonaws.com.
kinesisvideo
- https://{random_id}.kinesisvideo.{region}.amazonaws.com
mediaconvert
- https://{random_id}.mediaconvert.{region}.amazonaws.com
mediapackage
- https://{random_id}.mediapackage.{region}.amazonaws.com/in/v1/{random_id}/channel
elasticbeanstalk
- https://{random_id}.{user_provided}.elasticbeanstalk.com
cognito

https://{user_provided}.auth.{region}.amazoncognito.com

References

Authors

Oscar Salazar - Initial work - Bishop Fox
Rob Ragan - Initial work - Bishop Fox
@sweepthatleg
Brandon Gaudet - Initial work - Bishop Fox

Contributions

We do our best to maintain our tools, but can't always keep them as up to date as we'd like. So, we always appreciate code contributions, feature requests, and bug reports.

Acknowledgments

Thank you for inspiration

Download Smogcloud

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