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Pinned 🟡

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Description

This app has stored my credentials and I can only login automatically. I tried to intercept the login request and restore my password, but this seems to be a secure connection. Can you help bypass this security restriction and intercept the password in plaintext?

APK was provided.

Challenge

Running the .apk on a Android emulator with:

  • API 29 (Specified by the app)
  • Root
  • Burp Suite's CA as System Certificate
  • Frida server

We can run any SSL pinning bypass script (i.e. https://codeshare.frida.re/@sowdust/universal-android-ssl-pinning-bypass-2/) on our machine to bypass the SSL Pinning on com.example.pinned (i.e. the installed APK) and view the POST pinned.com request in Burp Suite with as the password, the flag.