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I thought this might be a good topic for discussion. I had wondered how hard it would be add a bunch of people I didn't know to facebook or LinkedIn. I had noticed when I signed up for some social media sites that there is an option to import contacts from your email contact list. While it's illegal to send spam emails I don't think it's illegal to use the email addresses to add friends on facebook. So basically if you wanted to find a bunch of people from a company or a school on LinkedIn or facebook you could pretty much use a method like this in social engineering or phishing on social media. Once again I'm not totally sure on the legality of doing this but I figure it is worth a discussion. Steps: Get the email list I figured a guy could pretty much hit up pastebin and create an email list for any organization he wanted to target. Grep out the email address and sort them for uniqueness. Also sort out domain names or domain extenssions you don't want like .gov or .mil addresses. You probably wouldn't want to accidentally spam or phish them. Split the lists into sections smaller than the maximum allowed limit. I think gmail it's 3000 or 5000. Forgot it. split them into 2500 line text files. Then convert the text file into CSV with a program kinda like this. I wrote this pretty hastily. Just opens up a file and writes a csv header with the correct fomat for gmail. Make sure to get the number of commas right. You can do this with Yahoo! and other free email services. There are some security measures against it. Then import the email list into your contacts as a CSV. Then add friends on social media sites from your contact list. That simple. Here's a link to the blog post I wrote about it. http://codeexamplescplusplus.blogspot.com/2016/10/csv-maker-c.html Here's some hasty C++ for the CSV maker. My code is shit just to let you know in advance. //application to sort email addresses and put them into a CSV for use with gmail. #include <string> #include <sstream> #include <iostream> #include <cctype> #include <fstream> #include <iomanip> using namespace std; int main (int argc, char* argv[]) { //build command line statement from string variables {ofstream myfile; myfile.open ("/root/Desktop/emails.csv"); { string line; ifstream infile ("/root/file.txt"); //input the layout information for CSV file myfile << "Name,Given Name,Additional Name,Family Name,Yomi Name,Given Name Yomi,Additional Name Yomi,Family Name Yomi,Name Prefix,Name Suffix,Initials,Nickname,Short Name,Maiden Name,Birthday,Gender,Location,Billing Information,Directory Server,Mileage,Occupation,Hobby,Sensitivity,Priority,Subject,Notes,Group Membership,E-mail 1 - Type,E-mail 1 - Value,E-mail 2 - Type,E-mail 2 - Value" << endl; if (infile.is_open()) { while ( getline (infile,line) ) //output conacts to contact list. Comas delimit contact information fields. myfile << ",,,,,,,,,,,,,,,,,,,,,,,,,,,* ," << line << ",," << endl; infile.close(); myfile.close(); } else cout << "Unable to open file" << endl; } } return 0; }