How I was able to send SMS from target and get their OTP.

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Hey fellow hackers and bug hunters,

As the same ,I can’t disclose the target name.So the target called as target.com.

I signed up and went to the account settings.There i saw the mobile number needs to verify.

I thought that i can able to bypass the OTP verification.But I can’t able to bypass that verification.But the post request for the OTP sending functionality is something phissy.Because in the post request one param is directly reflected in the sms

Content-Disposition: form-data; name=”domain_name”subdom.target.in
 — — — — — — — — — — — — — — -86319185638644134231525746139 —

So, I thought what if i changed this and resend it and i changed it to IamEvil !!! It reflects.

So now I am going to change the content to Enter the OTP in evil.com and it leads to phishing attack to get the OTP.

Thank You for reading this writeup!!

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How I was able to send SMS from target and get their OTP. was originally published in InfoSec Write-ups on Medium, where people are continuing the conversation by highlighting and

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