[https://medium.com/@y.shahinzadeh/android-hook-asis-ctf-final-2018-gunshops-question-walkthrough-ae5dfe8b5df0](https://medium.com/@y.shahinzadeh/android-hook-asis-ctf-final-2018-gunshops-question-walkthrough-ae5dfe8b5df0)

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Original writeup (https://medium.com/@y.shahinzadeh/android-hook-asis-ctf-final-2018-gunshops-question-walkthrough-ae5dfe8b5df0).