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SpyGuard is a forked and enhanced version of TinyCheck, developed by the same author when he was working at Kaspersky. SpyGuard's main objective is to detect signs of compromise by monitoring network flows transmitted by a device.

As it uses WiFi, SpyGuard can be used against a wide range of devices, such as smartphones, laptops, IOTs or workstations. To do its job, the analysis engine of SpyGuard is using Indicators of Compromise (IOCs), anomaly detection and is supported by Suricata.

Note: SpyGuard is not a forensic tool. Therefore, it might miss malware that does not communicate during the analysis. Please refer to the FAQ for more information.

You need a debian-like operating system to install it easly by using the provided bash script. Once you've cloned the repository, just launch install.sh as root. Here are the command lines to do that:

cd /tmp/ && git clone https://github.com/SpyGuard/spyguard
cd spyguard && sudo bash install.sh

Once installed, you can go to the backend interface located at https://localhost:8443 to manage the device and setup the right network interfaces to get it working. Please look at the dedicated wiki page to get some tips regarding it.

The frontend is available at the URL https://localhost:8000.

• Do the interception in a public place (library, restaurant, train station...) or common place (office, home...);
• Intercept the network communications of the device for at least 15 minutes;
• Interact with the analysed device during the interception (reboot it, take a photo, send an SMS...);

The indicators of compromise (IOCs) linked to stalkerware are now fully managed by ECHAP, a French association working against cyberviolence. Even though stalkerware still remains a threat, remember that most of digital violence and surveillance is done by using simple means, such as hacking cloud & mail accounts. Therefore, we encourage you to consult the ECHAP guides and apply their advice to your digital life alongside of device checks.

You can use SpyGuard in a commercial product. However, you can't use SpyGuard as the name of your product and you’re still required to follow the terms and conditions that the Apache License imposes, like refering to the SpyGuard project in customer documentation. Moreover, a sweet note to explain your use to the author is always appreciated, please see the contact below. You liked SpyGuard? Do not hesistate to make a donation!

If you need an express help to understand the results of the analysis or have a specific demand/question, do not hesitate to contact the author via Twitter or by sending an email at [email protected]. A bug? Do not hesitate to open a new issue.

To work, Spyguard is using a lot of awesome opensource projects, libraries, and fonts, kudos to them:

Dumpcap, Dig, Suricata, NetworkManager, Python, VueJS, Pip, pydig, pymisp, netaddr, pyyaml, flask, flask_httpauth, pyjwt, sqlalchemy, psutil, pyudev, qrcode, netifaces, weasyprint, python-whois, publicsuffix2, six, Exo2 font, Virtual Keyboard, OpenSSL, Spectre CSS.

Icons and design created via Figma, list of active TOR nodes taken from Dan.me.uk