代码提示

老方法

下载frida-gum.d.ts然后放到工程目录即可。
(原frida-gum.d.ts被作者去掉了，大胡子现在不推荐这种方法)

新方法

git clone https://github.com/oleavr/frida-agent-example
npm install

• 使用PyCharm等IDE打开此工程，在agent下编写typescript，会有智能提示。
• npm run watch会监控代码修改自动编译生成js文件
• python脚本或cli加载_agent.js。

模板代码

///<reference path="./frida-gum.d.ts" />
function Wrapper() {
}
var log = function (msg) {
    console.log(msg)
};
var warn = function (msg) {
    console.warn(msg)
};
var error = function (msg) {
    console.error(msg)
};
Wrapper.allocStr = function (str) {
    Memory.allocUtf8String(str)
}
Wrapper.getStr = function (addr) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.readUtf8String(addr);
}
Wrapper.putStr = function (addr, str) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.writeUtf8String(addr, str);
}
Wrapper.getByteArr = function (addr, l) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.readByteArray(addr, l);
}

Wrapper.getU8 = function (addr) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.readU8(addr);
}

Wrapper.putU8 = function (addr, n) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.writeU8(addr, n);
}

Wrapper.getU16 = function (addr) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.readU16(addr);
}

Wrapper.putU16 = function (addr, n) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.writeU16(addr, n);
}

Wrapper.getU32 = function (addr) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.readU32(addr);
}

Wrapper.putU32 = function (addr, n) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.writeU32(addr, n);
}

Wrapper.getU64 = function (addr) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.readU64(addr);
}

Wrapper.putU64 = function (addr, n) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.writeU64(addr, n);
}

Wrapper.getPt = function (addr) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    return Memory.readPointer(addr);
}

Wrapper.putPt = function (addr, n) {
    if (typeof addr == "number") {
        addr = ptr(addr);
    }
    if (typeof n == "number") {
        n = ptr(n);
    }
    return Memory.writePointer(addr, n);
}

Wrapper.getExportFunction = function (type, name, ret, args) {
    var nptr;
    nptr = Module.findExportByName(null, name);
    if (nptr === null) {
        console.log("cannot find " + name);
        return null;
    } else {
        if (type === "f") {
            var funclet = new NativeFunction(nptr, ret, args);
            if (typeof funclet === "undefined") {
                console.log("parse error " + name);
                return null;
            }
            return funclet;
        } else if (type === "d") {
            var datalet = Memory.readPointer(nptr);
            if (typeof datalet === "undefined") {
                console.log("parse error " + name);
                return null;
            }
            return datalet;
        }
    }
}

Wrapper.dumpMemory = function (addr, length) {
    console.log(hexdump(Memory.readByteArray(addr, length), {
        offset: 0,
        length: length,
        header: true,
        ansi: true
    }));
}
// Hook function exported
Wrapper.hookNativeFunction = function (common, callback) {
    var functionPtr = null;
    if (typeof common == "string") {

        functionPtr = Module.findExportByName(null, common);
        if (!functionPtr) {
            Wrapper.error("[!] Can't find export function " + common);
            return;
        }
    } else {
        functionPtr = ptr(common);
    }


    Interceptor.attach(functionPtr, {
        onEnter: function (args) {
            callback('onEnter', args);
        },
        onLeave: function (retval) {
            callback('onLeave', retval);
        }
    });
}

/*
Wrapper.hookNativeFunction(Module.findExportByName(null,"open"),function(type,args){
    switch(type){
        case 'onEnter': 
            log(args[0].readUtf8String());
            break;
        case 'onLeave': 
            break;
    }
})
*/

Wrapper.backtrace = function () {
    console.log('CCCryptorCreate called from:\n' +
        Thread.backtrace(this.context, Backtracer.ACCURATE)
            .map(DebugSymbol.fromAddress).join('\n') + '\n');
}

Wrapper.stalk = function () {

}

Wrapper.replace = function (func_addr, rettype, args, callback) {
    Interceptor.replace(func_addr, new NativeCallback(function () {
        callback();
    }, rettype, args));
}

Wrapper.getExportFunctionPtr = function (name) {
    return Module.findExportByName(null, name);
}

/* =============== ******  Logic Begin Here   ****** =============== */