Overview
OpenCanary is an open-source, low-interaction honeypot from Thinkst Applied Research. It runs decoy network services that look real to an attacker but serve no legitimate purpose, so any connection to them is a strong signal of reconnaissance or lateral movement. This AMI from AdvanceCo packages OpenCanary on Ubuntu 24.04 LTS so you can place decoys in your AWS environment in minutes.
What is included
- OpenCanary installed and ready to configure
- A default configuration file at /etc/opencanaryd/opencanary.conf
- A systemd service that starts OpenCanary at boot
- A hardened image with no SSH keys or shell history carried over from the build
Decoy services you can enable SSH, FTP, Telnet, HTTP and HTTPS, MySQL, Microsoft SQL Server, RDP, VNC, SIP, TFTP, NTP, Redis, Git and port-scan detection. Choose which services to emulate and how they identify themselves so each decoy blends into your network.
Alerting OpenCanary writes a structured JSON event for every interaction. Send events to syslog or to a log file shipped to Amazon CloudWatch Logs or your SIEM, or configure OpenCanary's built-in email and webhook handlers.
Common uses
- Detect lateral movement and internal reconnaissance after an initial compromise
- Spot compromised credentials or misused accounts probing internal services
- Add a low-cost, low-noise detection layer alongside network monitoring and endpoint tools
Maintenance and support AdvanceCo publishes updated versions of this AMI with current Ubuntu security patches and OpenCanary releases. Included support is by email during US business hours from our US-based team. Paid support with Slack, phone and response-time commitments is available on request.
Getting started Launch the AMI in the subnet you want to monitor and connect over SSH as the ubuntu user. Edit /etc/opencanaryd/opencanary.conf to enable decoy services and an alert destination, then restart the opencanary service. Open only the decoy service ports in the instance security group.
Highlights
- Low-interaction decoys: emulate SSH, FTP, HTTP, MySQL, RDP and more without exposing real services or data.
- High-signal alerting: legitimate users have no reason to touch a decoy, so alerts are rare and actionable. JSON events work with syslog, CloudWatch Logs or your SIEM.
- Maintained by AdvanceCo: hardened Ubuntu 24.04 LTS image with OpenCanary running as a systemd service, plus US-based email support.
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Delivery details
64-bit (x86) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
OpenCanary 0.9.10 on Ubuntu 24.04 LTS, with all Ubuntu security updates available on 2026-10-05 applied. Built by AdvanceCo's automated image pipeline: the image is hardened (root password locked, no SSH keys, shell history or cloud-init state from the build) and tested before release, including a check that the service starts at boot, runs as an unprivileged user and logs decoy interactions as JSON.
Additional details
Usage instructions
Connect over SSH as the ubuntu user. OpenCanary runs as the opencanary service with only the FTP decoy (TCP 21) enabled. Edit /etc/opencanaryd/opencanary.conf to enable decoys and an alert destination, then run 'sudo systemctl restart opencanary'. Events are logged as JSON to /var/tmp/opencanary.log and the systemd journal. The recommended security group allows SSH and FTP only from 10.0.0.0/8; open the ports of any decoys you enable. Support: secproductsupport@advancecoinc.com
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Support
Vendor support
Included support: email support from AdvanceCo's US-based engineering team during US business hours at secproductsupport@advancecoinc.com . Paid support options, including Slack, phone and response-time commitments, are available on request. More information:
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.