[Info][Executable]VID_PID_SWAPPER.exe easily swap random VID/PID numbers

overwraith · July 7, 2013

As you all know, the ducky has the ability to swap its VID/PID number to avoid antivirus software. Unfortunately you need a hex editor to change the file which is used to specify the VID/PID. I have created an executable which reads from a text file of possible VID/PID numbers, and writes to the binary file vidpid.bin. The program is written in C++. Here is the code:

/*Author: overwraith
File: VID_PID_SWAPPER.cpp
Purpose: to automatically change the vidpid.bin file on the USB rubber ducky using an executable. 
Disclaimer: I admit to having a little help from online forums etc. */
#include <iostream>
#include <fstream>
#include <string>
#include <stdlib.h>

using namespace std;

string getRandLineFromFile(const char* filename);
int getNumLines(const char* filename);

int main(int argc, char *argv[])
{   
    string ctline = getRandLineFromFile("VIDPID.txt");
    
    cout << ctline << endl;
    
    char buffer[9];
    strncpy(buffer, ctline.c_str(), sizeof(buffer));
    buffer[sizeof(buffer) - 1] = 0;
    
    
    ofstream myFile("vidpid.bin", ios::out | ios::binary);
    myFile.write (buffer, 8);
    
    return EXIT_SUCCESS;
}

string getRandLineFromFile(const char* filename){
    ifstream input(filename);
    string line;
    
    srand(time(NULL));
    
    if(input.is_open()){
            for(int i = 0, lines = getNumLines(filename); i < lines && i < rand() % (lines + 1) ; i++){
                    //get the line
                    getline(input, line);
            }//end loop
     input.close();
    }
    else
        cout << "Unable to open file" << endl;
    
    return line;
}

int getNumLines(const char* filename){
    ifstream input(filename);
    string line;
    int i = 0;

    if(input.is_open()){
     while(input.good()){
      getline(input, line);
      //cout << line << '\n';
      i++;
     }//end loop
     input.close();
    }
    else
        cout << "Unable to open file";
    return i;
}

The following is the text file "VIDPID.txt," which must reside in the same directory as the resulting executable:

You will have to compile this program yourself, as I do not have an account with an online file sharing service. I am open to recommendations on which service is the best, so I may end up posting files online in the future. The executable does not have much going on, and is designed to swap numbers on double click. I may have to change the code later to better inform the user of errors.

overwraith · July 21, 2013

This project's source on ducky decode now, will put the executable on the downloads page as soon as I figure out how to do it.

overwraith · July 21, 2013

Both VID_PID_SWAPPER.exe, and VIDPID.txt are now on ducky decode.

overwraith · July 25, 2013

Update version 1.1 on ducky decode.

HughMungis · May 28, 2022

Lets say you're using twin duck firmware on your device and you want the "keyboard" vid/pid to be a generic logitec keyboard or something, but you want the usb mass storage portion to have the vid/pid of something else that might be whitelisted on the target's environment.

Can you use this swapper tool to change each one independently?

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[Info][Executable]VID_PID_SWAPPER.exe easily swap random VID/PID numbers

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