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How to reverse engineer api of an Android app? (lemmy.ca)

submitted 10 months ago by kionite231@lemmy.ca to c/asklemmy@lemmy.ml

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Hi,

I want to reverse engineer api of an Android app to make a custom client that works on linux. I have good understanding of Linux, Networking and coding.

Where should I start? Is it too hard?

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[–] vzq@lemmy.blahaj.zone 19 points 10 months ago* (last edited 10 months ago)

You configure your traffic to get routed through a man in the middle proxy. If you get certificate errors you can’t ignore, you need to use something like Frida to remove the certificate checks/pinning.

After that you look at the plaintext requests. Odds are that there is an authorization system you need to figure out. Again jadx/Frida is your friend.