Intro

I’ve come across a FB app yesterday that raised my red flags at the first point of viewing the URL which has a typo:

Opening the URL presented me with an application interface that claims to be an Instagram login interface asking for credentials in order to grant access to the application

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Using Facebook apps to phish for Instagram credentials

It was clear that it’s a phishing campaign conducted in an unprofessional method particularly the french language used on the interface, trying to enter random fields’ values redirected me to a page in the Arabic language

Using Facebook apps to phish for Instagram credentials

Now after recognizing this, i decided to identify the main backend server used to harvest victims ‘ credentials

Using FB apps to phish for instagram credentials

After opening the following URL: https://websitet7.com/qi/ins/?i=1108114

the main backend website interface that serves and receives harvested credentials has appeared

Using FB apps to phish for instagram credentials

I tried this time to type in random email and password to where this page would redirect me after hypothetically harvesting my instagram credentials and indeed I was redirected to a proxy server web page

Using FB apps to phish for instagram credentials

Lessons learned:

1- facebook apps do not request credentials for third party services and it even does not ask you for your Facebook login info unless you need to login

2- Do not type in your login information into any application or webpage unless you make sure it belongs to the website it claims to be

3- Take a step forward and report the main phishing URL to Cisco Talos intelligence group to blacklist the IP and prevent other people to fall victimized to this

4- if it was a Facebook phishing, report the Facebook app URL to phish@fb.com to take down the app

About the Author

Mastermind Study Notes is a group of talented authors and writers who are experienced and well-versed across different fields. The group is led by, Motasem Hamdan, who is a Cybersecurity content creator and YouTuber.

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