Tuesday, November 30, 2021

Quick Malware Analysis: Emotet Epoch 5 pcap from 2021-11-26

Thanks to Brad Duncan for sharing this pcap!
https://www.malware-traffic-analysis.net/2021/11/29/index.html

We did a quick analysis of this pcap on the latest version of Security Onion via so-import-pcap:
https://docs.securityonion.net/en/2.3/so-import-pcap.html

Below are some of the interesting Suricata alerts, Zeek logs, and session transcripts.

About Security Onion

Security Onion is a versatile and scalable platform that can run on small virtual machines and can also scale up to the opposite end of the hardware spectrum to take advantage of extremely powerful server-class machines.  Security Onion can also scale horizontally, growing from a standalone single-machine deployment to a full distributed deployment with tens or hundreds of machines as dictated by your enterprise visibility needs.

To learn more about Security Onion, please see:
https://securityonion.net
https://securityonion.net/docs

More Samples

Find all of our Quick Malware posts at:
https://blog.securityonion.net/search/label/quick%20malware%20analysis

Screenshots













Monday, November 29, 2021

Quick Malware Analysis: Hancitor and Cobalt Strike pcap from 2021-04-07

Thanks to Brad Duncan for sharing this pcap!
https://www.malware-traffic-analysis.net/2021/04/07/index.html

We did a quick analysis of this pcap on the latest version of Security Onion via so-import-pcap:
https://docs.securityonion.net/en/2.3/so-import-pcap.html

Below are some of the interesting Suricata alerts, Zeek logs, and session transcripts.

About Security Onion

Security Onion is a versatile and scalable platform that can run on small virtual machines and can also scale up to the opposite end of the hardware spectrum to take advantage of extremely powerful server-class machines.  Security Onion can also scale horizontally, growing from a standalone single-machine deployment to a full distributed deployment with tens or hundreds of machines as dictated by your enterprise visibility needs.

To learn more about Security Onion, please see:
https://securityonion.net
https://securityonion.net/docs

More Samples

Find all of our Quick Malware posts at:
https://blog.securityonion.net/search/label/quick%20malware%20analysis

Screenshots


















Tuesday, November 23, 2021

Security Onion 2.3.90 WAZUH Hotfix Now Available!

We recently released Security Onion 2.3.90:
https://blog.securityonion.net/2021/11/security-onion-2390-now-available.html

Today, we are releasing a WAZUH hotfix:
https://docs.securityonion.net/en/2.3/release-notes.html#hotfix-wazuh

If you haven't updated recently, then you should review the 2.3.90 blog post linked above so that you are aware of all recent changes.

Holiday Closure

Security Onion Solutions offices will be closed 11/25/2021 and 11/26/2021 for Thanksgiving in the US. You may want to wait until the following week before upgrading your production deployments just in case you run into any issues.

Internet-Connected Deployments

If your Security Onion deployment has Internet access, simply run "sudo soup" as described here:
https://docs.securityonion.net/en/2.3/soup.html

Airgap Deployments

If you have an airgap deployment, download the new ISO image from the usual location:

https://securityonion.net/download

Then follow the steps here:

https://docs.securityonion.net/en/2.3/soup.html#airgap

Questions or Problems

If you have questions or problems, please see our community support forum guidelines:

https://docs.securityonion.net/en/2.3/community-support.html

You can then find the community support forum at:

https://securityonion.net/discuss

Quick Malware Analysis: Contact Forms Campaign, Bazarloader, and Cobalt Strike pcap from 2021-11-22

Thanks to Brad Duncan for sharing this pcap!
https://www.malware-traffic-analysis.net/2021/11/22/index.html

We did a quick analysis of this pcap on the latest version of Security Onion via so-import-pcap:
https://docs.securityonion.net/en/2.3/so-import-pcap.html

Below are some of the interesting Suricata alerts, Zeek logs, and session transcripts.

About Security Onion

Security Onion is a versatile and scalable platform that can run on small virtual machines and can also scale up to the opposite end of the hardware spectrum to take advantage of extremely powerful server-class machines.  Security Onion can also scale horizontally, growing from a standalone single-machine deployment to a full distributed deployment with tens or hundreds of machines as dictated by your enterprise visibility needs.

To learn more about Security Onion, please see:
https://securityonion.net
https://securityonion.net/docs

More Samples

Find all of our Quick Malware posts at:
https://blog.securityonion.net/search/label/quick%20malware%20analysis

Screenshots












Monday, November 22, 2021

Security Onion 2.3.90 now available!

Last October, we released Security Onion 2.3:
https://blog.securityonion.net/2020/10/security-onion-2-has-reached-general.html

Today, we are releasing Security Onion 2.3.90, which adds new features and resolves a few issues:

https://docs.securityonion.net/en/2.3/release-notes.html#changes

Holiday Closure

Security Onion Solutions offices will be closed 11/25/2021 and 11/26/2021 for Thanksgiving in the US. You may want to wait until the following week before upgrading your production deployments just in case you run into any issues.

Highlights

Security Onion 2.3.90 now supports Ubuntu 20.04 but for new installations only. We will add support for in-place upgrades from Ubuntu 18.04 to 20.04 in a later release.

This release updates many components including Elastic 7.15.2, FleetDM 4.5.1, Grafana 8.2.3, and Suricata 6.0.4!

Finally, this release includes Security Onion Console improvements and better support for both Kibana customization and Endgame integration!

Documentation

You can find our documentation here:
https://docs.securityonion.net/en/2.3/

Documentation is always a work in progress and some documentation may be missing or incorrect. Please let us know if you notice any issues.

New Installations

If you want to perform a new installation, please review the documentation and then you can find instructions here:

https://docs.securityonion.net/en/2.3/download.html

Existing 2.3 Installations

If you have an existing Security Onion 2.3 installation, please see:

https://docs.securityonion.net/en/2.3/soup.html

AWS Marketplace

For new Security Onion 2 installations, version 2.3.90 will soon be available on AWS Marketplace via the official Security Onion 2 AMI:
https://securityonion.net/aws/?ref=_ptnr_soc_blog_211122

AMI Documentation:
https://securityonion.net/docs/cloud-ami

Existing Security Onion 2 AMI users should use the "soup" command to upgrade:
https://docs.securityonion.net/en/2.3/soup.html

Azure Marketplace

Security Onion 2.3.90 will soon be available on Azure!

https://securityonion.net/azure

Azure Documentation:
https://docs.securityonion.net/en/2.3/cloud-azure.html

Security Onion 16.04 EOL

As a reminder, Security Onion 16.04 has reached End Of Life (EOL):
https://blog.securityonion.net/2021/04/security-onion-1604-has-reached-end-of.html

If you're still running Security Onion 16.04, please see the following for upgrade options:

https://docs.securityonion.net/en/2.3/appendix.html

Questions or Problems

If you have questions or problems, please see our community support forum guidelines:

https://docs.securityonion.net/en/2.3/community-support.html

You can then find the community support forum at:

https://securityonion.net/discuss

Thanks

Lots of love went into this release!

Special thanks to all our folks working so hard to make this release happen!

  • Josh Brower
  • Jason Ertel
  • Wes Lambert
  • Josh Patterson
  • Mike Reeves
  • William Wernert

Training

Need training? Start with our free Security Onion Essentials training and then take a look at some of our other official Security Onion training!

https://securityonion.net/training

Hardware Appliances

We know Security Onion's hardware needs, and our appliances are the perfect match for the platform. Leave the hardware research, testing, and support to us, so you can focus on what's important for your organization. Not only will you have confidence that your Security Onion deployment is running on the best-suited hardware, you will also be supporting future development and maintenance of the Security Onion project!

https://securityonionsolutions.com/hardware

Screenshot Tour

If you want the quickest and easiest way to try out Security Onion 2, just follow the screenshots below to install an Import node and then optionally enable the Analyst Workstation. This can be done in a minimal VM with only 4GB RAM!