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by vuln 1220 days ago
From what I can tell

The binary is running a proxy (fiddler?) on the windows machine. The iPhone is on the same network and accepts the proxy's self signed certificate which allows the iPhone to trust the proxy. You point the iPhone to the proxy. Start Game - End Game - Zero points. When the POST or whatever API call is sent to the server the proxy (fiddler) modifies the request to whatever _points_ you specified. Then you see the updated score on the app.