Authentication Flaws: Multi Level Login 1

A Multi Level(Factor) Login should provide a strong authentication. Please note that TAN is Transaction Authentication Number, it's onetime use code that mostly used by banks


Try to login with Jane's username and password(Jane/tarzan), along with used TAN code#1 15648. 


Use Burp Suite intercept and modify request and gain access.

Step by step Guide - Stage 1 

1. Normal Login as Jane with password tarzan,

2.  when asked for TAN# enter as instructured with TAN#1

Step by step Guide - Stage 2

1. login with user/password : Jane/tarzan, once asked for Tan code, start burp suite

2. Forward the web request until you see Hidden_user line, then replace tan2 with tan1 with tan1 code.



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