frida修改对象属性(变量）

import frida, sys

jscode = """

Java.perform(function () {
    var utils = Java.use('com.xiaojianbang.app.Utils');
    var money = Java.use('com.xiaojianbang.app.Money');
    var clazz = Java.use('java.lang.Class');
    utils.test.overload('com.xiaojianbang.app.Money').implementation = function (obj) {
        send("Hook Start...");
        var mon = money.$new(4000,'test');
        send(mon.getInfo());
        send(mon.name.value);
        mon.name.value="haidragon";
         send(mon);
        send(mon.name.value);
        var numid = Java.cast(mon.getClass(),clazz).getDeclaredField('num');
        numid.setAccessible(true);
        var value = numid.get(mon);
        console.log(value);
        send(value);
        numid.setInt(mon, 3000);
        var valueNew= numid.get(mon);
        send(numid.getInt(mon));
        return this.test(mon);
    }
});

"""

def message(message, data):
    if message["type"] == 'send':
        print("[*] {0}".format(message['payload']))
    else:
        print(message)

process = frida.get_remote_device().attach('com.xiaojianbang.app')
script= process.create_script(jscode)
script.on("message", message)
script.load()
sys.stdin.read()