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How I bypassed the OTP verification process?

It’s been so long since I posted any article, partially because I was tired and taking a pleasant summer break. I was reading this particular article

How I could have booked movie tickets through other user accounts by Bharathvaj Ganesan


After reading this I realised that I have had always tried different ways to try and bypass the login credentials but never those which had OTP verification process. So this article gave a me this feel that online profiles which have inbuilt OTP verification process is not super secure as well and from there onward I tried to carry out some attack on a website that uses OTP verification process.

Let’s dig in!


I started my attack on this website let’s say example.com, here I carried out my attack in two phase. Can I create a profile using a mobile no. that I don’t own? ( Identity theft ) Can I get access to the account of a person, if all I know is their username or mobile number? ( How I bypassed the OTP verification process? Part — 2 ) The first hack So to understand how to create a profile and how the system of OTP works on that particular website I went ahead and created my account. While I was doing that I took notice as to how the website worked?. Once done then I carried it out again for the another number that I own but this time the whole Idea was to create the account without having to touch my phone in anyway in which the sim was inserted. So, here is how I began doing the hack. I inserted all the details as it should be. Now as I was done with it, I received an OTP on my phone instantly to verify and complete the process of a creating the account.
Burp Suite on! I was presented with this and had to put in the OTP that I had just received on my mobile. I turned intercept mode on, and captured the packet which was being sent over as a request packet to the server.

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