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[分享]frida实现某茄小说vip获取
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发表于: 2024-9-19 17:53
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闲来无事，想练练frida，于是对这款小说下手了，首先jadx打开，看看代码，
老规矩，搜索isvip
点进str2所在，
可以看到str2不是传统的bool类型，而是一个string，然后expire也是一个string(通过frida hook之后发现是vip的到期时间的unix时间戳)，所以话不多说，直接上frida，
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | Java.perform(function () { var VipInfoModel = Java.use('com.dragon.read.user.model.VipInfoModel'); VipInfoModel.$init.overload('java.lang.String', 'java.lang.String', 'java.lang.String', 'boolean', 'boolean', 'int').implementation = function (str, str2, str3, z, z2, i) { console.log("VipInfoModel constructor called!"); console.log("expireTime: " + str); console.log("isVip (str2): " + str2); console.log("leftTime: " + str3); console.log("isAutoCharge: " + z); console.log("isUnionVip: " + z2); console.log("unionSource: " + i); }; console.log("success");}); |
发现输出是，
所以，直接改了这几个就行，
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | Java.perform(function () { var VipInfoModel = Java.use('com.dragon.read.user.model.VipInfoModel'); VipInfoModel.$init.overload('java.lang.String', 'java.lang.String', 'java.lang.String', 'boolean', 'boolean', 'int').implementation = function (str, str2, str3, z, z2, i) { console.log("VipInfoModel constructor called!"); console.log("expireTime: " + str); console.log("isVip (str2): " + str2); console.log("leftTime: " + str3); console.log("isAutoCharge: " + z); console.log("isUnionVip: " + z2); console.log("unionSource: " + i); var ret = this.$init("4102415999","1","100000",false,false,0); console.log("Modified constructor return value: " + ret); }; console.log("success");}); |
成功
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