Cynthion

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209,00 

SKU: 8D1BD5C2 Category:

The Cynthion is an all-new, highly capable USB-hacking multi-tool : The Proxmark of the USB world. Sniff and analyse High-Speed USB traffic on the protocol level, intercept and manipulate USB-devices in real-time, emulate USB-devices and even build your own real USB-devices directly in the FPA.

Built by GreatScottGadgets, the Cynthion shares the same design-DNA as the HackRF: build a powerful, no-compromise tool that is accessible to everyone. The Cynthion’s feature-set is unmatched by devices 10 times as expensive and bulky.

As with all GreatScottGadget products, the Cynthion has a rich, mature ecosystem of open-source tools that work out of the box.

Whether you’re curious to tinker with USB or you’re a engineer building enterprise hardware – the Cynthion is a must-have tool.

Protocol Analyser

Passively capture low, full and high-speed USB traffic and up to 16 related digital signals simultaneously for analysis.

Reverse Engineer Communications

Full-featured open-source tools for capturing, filtering, visualising and analysing USB-traffic on a protocol level.

MITM USB Devices

Sniff, analyse and manipulate high-speed USB-packets on the wire in real-time via the USBProxy tool.

Build your own USB device

Build custom USB devices rapdily in software via Python, or semi-permanently onto the Cynthion’s FPGA.

Key Features

  • Protocol Analyser – Fully-featured low/full/high speed USB Analysis tools via Packetry
  • USB Device Designer With Facedancer, build custom USB-devices, either emulated via Python and/or real via the FPGA with LUNA.
  • MITM Platform – Real-time manipulation of USB-device communication
  • Reverse-Engineering Toolkit – full-stack (software + gateware) tooling for fuzzing, prototyping and emulation of low/full/high-speed USB devices.
  • Open Source – 100% open-source software, firmware, gateware and hardware.
  • Unibody aluminium case – Robust, sleek annodised aluminium CNC-milled case for complete PCB-protection.

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Bus Pirate 5 – Unboxing

–>

The Cynthion in action

Building a RubberDucky in 6 lines of code


device = USBKeyboardDevice()
async def type_letters():
 await device.type_string('r', modifiers=KeyboardModifiers.MOD_LEFT_META)
 await asyncio.sleep(0.5)
 await device.type_string('calcn')
main(device, type_letters())

Flip the X-Axis of a USB Controller in 6 lines


class SwitchControllerInvertXFilter(USBProxyFilter):
 def filter_in(self, ep_num, data):
 # The fourth byte of our packets contains the
 # joystick X position, as a number between 0 and 255.
 data[3] = 0xff - data[3]
 return en_num, data

Device Specifications

  • FPGA: ECP5 FPGA
  • USB Interfaces:

    • Left side: 2x USB Type-C (device-mode)
    • Right side: 1x USB Type-C (host/device mode & analysis)
    • Right side: 1x USB Type-A (host mode & analysis)
  • Diagnostic Interface: Microchip SAMD11

    • JTAG
    • USB-Serial
    • Register Interface debuggers
  • Power: 3x USB Power Switches
  • RAM: 64 Mbit (8 MiB) RAM (Buffering + Userspace)
  • Flash: 32Mbit (4 MiB) SPI-Flash for standalone FPGA configuration
  • LEDs:

    • 6x FPGA Controlled LEDs
    • 5x MCU controlled Status LEDs
  • IO: 2x Digilent Pmod I/O Connectors

What’s included

  • 1x Cynthion PCB
  • 1x Milled Aluminium Enclosure

Technical Resources

  • Cynthion Documentation
  • Cynthion Github
  • Cynthion Hardware Source
  • Cynthion Development Notes

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