QQ音乐 sign参数逆向补环境破解

本文最后更新于：2024年6月10日下午

介绍

在本教程开始之前，首先给大家介绍一下webpack

Webpack可以将项目中的各种模块进行静态分析，并将它们打包成一个或多个 bundle。这使得管理项目中的模块变得更加方便，也能提高页面加载速度，因为浏览器可以并行加载多个资源。
Webpack可以处理JavaScript、TypeScript、CSS、SCSS、LESS等不同类型的文件，并通过loader转换它们，例如将ES6/ES7代码转换为ES5，或者将Sass/LESS转换为CSS。
Webpack能够分析模块之间的依赖关系，包括直接依赖和间接依赖，然后构建出依赖关系树，以确保在打包时正确地引入依赖的模块。
Webpack允许将代码拆分成多个bundle，从而实现按需加载，提高页面加载性能。这对于大型应用程序特别有用，因为它们可能包含大量的代码，但并非所有代码都需要在初始加载时下载。
Webpack提供了丰富的插件系统，使得开发者能够扩展其功能，例如压缩代码、优化图片、提取公共代码等。

还有很多好处，这里不一一展开了

开始

而今天我们逆向的QQ音乐，它正好用了webpack，那我们废话不多说开始吧

这边推荐大家用免费歌曲去抓包，因为会员歌曲要登录，登录就麻烦了

这边博主就用Reqable了，如果你还不知道这个抓包软件，可以访问https://reqable.com/en-US/

返回浏览器，点击一首免费歌曲，听一下，打开抓包软件

可以看到这里就是歌曲了，带了一个vkey和guid，如果没有这两个参数我们就播放不了歌曲了，现在去找一下这两个参数来自哪个api

是出自music_fcg这个api，同时带了一个_和sign参数，_是当前的时间戳，这边我也试过取掉_参数了，依然可以获取链接，看来只跟sign有关了

同时我们也分析一下他post发送的数据

{
	"comm": {
		"cv": 4747474,
		"ct": 24,
		"format": "json",
		"inCharset": "utf-8",
		"outCharset": "utf-8",
		"notice": 0,
		"platform": "yqq.json",
		"needNewCode": 1,
		"uin": 0,
		"g_tk_new_20200303": 5381,
		"g_tk": 5381
	},
	"req_1": {
		"module": "music.musicasset.SongFavRead",
		"method": "IsSongFanByMid",
		"param": {
			"v_songMid": ["00218E3L0kU0fb", "002VQQ8b2nNPe3"]
		}
	},
	"req_2": {
		"module": "music.musichallSong.PlayLyricInfo",
		"method": "GetPlayLyricInfo",
		"param": {
			"songMID": "00218E3L0kU0fb",
			"songID": 492489014
		}
	},
	"req_3": {
		"method": "GetCommentCount",
		"module": "music.globalComment.GlobalCommentRead",
		"param": {
			"request_list": [{
				"biz_type": 1,
				"biz_id": "492489014",
				"biz_sub_type": 0
			}]
		}
	},
	"req_4": {
		"module": "music.musichallAlbum.AlbumInfoServer",
		"method": "GetAlbumDetail",
		"param": {
			"albumMid": "0001sESa0DlBPj"
		}
	},
	"req_5": {
		"module": "vkey.GetVkeyServer",
		"method": "CgiGetVkey",
		"param": {
			"guid": "6300567640",
			"songmid": ["00218E3L0kU0fb"],
			"songtype": [0],
			"uin": "0",
			"loginflag": 1,
			"platform": "20"
		}
	}
}

这里是我格式化的数据，关键部分在req_5，从vkey_getvkeyserver来看，这里就是获取歌曲播放链接了

其中songmid是歌曲的id,guid是可以自己改的

返回浏览器，开始调试js

点进去后全局搜索sign，找到一处可疑的地方，这里的sign是在i函数获得的，同时i函数也写在上面了

从这里打个断点，刷新一下页面，注：这里qq音乐写了两处一样的代码，如果没反应去取消断点，去上面找

从i函数中发现，传入的e.data函数是我们post的数据

同时，o函数是获取sign的地方，因为sign来自i函数，而i函数调用了o函数

var i,o = n(147).default ，也代表了o函数是来自n函数

点进去一探究竟

这是一个webpack的加载器，我们把这整个页面的js都复制下来放到你的ide里

!function(e) {
    function t(t) {
        for (var a, n, d = t[0], c = t[1], i = t[2], l = 0, u = []; l < d.length; l++)
            n = d[l],
            Object.prototype.hasOwnProperty.call(o, n) && o[n] && u.push(o[n][0]),
            o[n] = 0;
        for (a in c)
            Object.prototype.hasOwnProperty.call(c, a) && (e[a] = c[a]);
        for (b && b(t); u.length; )
            u.shift()();
        return f.push.apply(f, i || []),
        r()
    }
    function r() {
// 代码太多了，自行复制整个页面
// 想看结果 可以跳到成品

通常的来讲，这里是放模块代码的，但是QQ音乐分到其他js文件了

修补环境

通过控制台输入n(147)

从这里看到，这是一个模块，return t，又调用了t函数，这里我们把它断点一下

然后就到这个地方了，画线是t函数，但他是包裹在里面的，因此我们复制整个模块

function(t, e, n) {
    "use strict";
    n.r(e),
    function(t) {
        var n = "undefined" !== typeof t ? t : "undefined" !== typeof window ? window : "undefined" !== typeof self ? self : void 0;
        var r = function() {
            function t(e, n, r, i, o, a, u, s) {
                var c = !i;
                e = +e,
                n = n || [0],
                i = i || [[this], [{}]],
  // ............. 这里省略一下 因为太长了
   var i = n._getSecuritySign;
        delete n._getSecuritySign,
        e.default = i
    }
    .call(this, n(110))
}

最后就是这样了，现在我们补环境，运行了一下发现ReferenceError: window is not defined

于是，在前面加上，window = global;

看似正常了，由于加载器是局部类，我们需要通过window去声明全局变量并加载

因此把

var c = window.webpackJsonp = window.webpackJsonp || []
        , i = c.push.bind(c);
    c.push = t,
        c = c.slice();
    for (var l = 0; l < c.length; l++)
        t(c[l]);
    var b = i;
    r()
}([

插一句

var c = window.webpackJsonp = window.webpackJsonp || []
        , i = c.push.bind(c);
    c.push = t,
        c = c.slice();
    for (var l = 0; l < c.length; l++)
        t(c[l]);
    var b = i;
    r()
	window.bing = d; // 声明加载器
}([

现在加载器可以用了，这边拿你抓包的数据放进去计算一下，是否和官方一致

1
2
3

{"comm":{"cv":4747474,"ct":24,"format":"json","inCharset":"utf-8","outCharset":"utf-8","notice":0,"platform":"yqq.json","needNewCode":1,"uin":0,"g_tk_new_20200303":5381,"g_tk":5381},"req_1":{"module":"music.musicasset.SongFavRead","method":"IsSongFanByMid","param":{"v_songMid":["00218E3L0kU0fb","002VQQ8b2nNPe3"]}},"req_2":{"module":"music.musichallSong.PlayLyricInfo","method":"GetPlayLyricInfo","param":{"songMID":"00218E3L0kU0fb","songID":492489014}},"req_3":{"method":"GetCommentCount","module":"music.globalComment.GlobalCommentRead","param":{"request_list":[{"biz_type":1,"biz_id":"492489014","biz_sub_type":0}]}},"req_4":{"module":"music.musichallAlbum.AlbumInfoServer","method":"GetAlbumDetail","param":{"albumMid":"0001sESa0DlBPj"}},"req_5":{"module":"vkey.GetVkeyServer","method":"CgiGetVkey","param":{"guid":"6077141855","songmid":["00218E3L0kU0fb"],"songtype":[0],"uin":"0","loginflag":1,"platform":"20"}}}

sign : zzbf6cbf2b9yja4wk8sobpsltf0vq9naffd16483

上面是我的，你也可以拿我的

现在我们声明了window.bing是加载器的，模块也放进数组里了，索引为0，官方调用的时候还传了default函数，因此我们也要传这个函数

因此调用sign的方法是window.bing(0).default(data)

但环境报错了，**这里报错的意思->**加载器尝试调用一个函数，但是没找到

写句打印，查看是调用那个名字的函数

调用的是110的函数，我们要找到在哪调用，而且这个函数的代码，方法也是一样的，回到浏览器控制台输入n(110)

function(t, e) {
        var n;
        n = function() {
            return this
        }();
        try {
            n = n || new Function("return this")()
        } catch (r) {
            "object" === typeof window && (n = window)
        }
        t.exports = n
    }

把这个补到加载器的模块里，同时把调用的地方改成window.bing(1)，具体位置在第一个模块的末尾处

运行一下，sign就计算出来了

但是和目标值不同也 正确答案是 zzbf6cbf2b9yja4wk8sobpsltf0vq9naffd16483

这里我挂了几个代理，发现user-agent和host跟sign有关

在开头补上

location = {}
location.host = "y.qq.com"
navigator = {}
navigator.userAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36"

再运行一下

和官方加密的是一样的，签名就弄好了

那这期就到这里结束了，成品在下面

成品

window = global
location = {}
location.host = "y.qq.com"
navigator = {}
navigator.userAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36"

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                                for (f = 0; f < c; f++)
                                    l[f] = n[e++];
                                i.push((function e() {
                                        var i = u.slice(0);
                                        i[0] = [this],
                                            i[1] = [arguments],
                                            i[2] = [e];
                                        for (var s = 0; s < l.length && s < arguments.length; s++)
                                            0 < l[s] && (i[l[s]] = [arguments[s]]);
                                        return t(a, n, r, i, o)
                                    }
                                ))
                            }
                            , function() {
                                i[i.length - 2] = i[i.length - 2] | i.pop()
                            }
                            , function() {
                                i.push(i[n[e++]][0])
                            }
                            , function() {
                                var t = n[e++]
                                    , r = i[i.length - 2 - t];
                                i[i.length - 2 - t] = i.pop(),
                                    i.push(r)
                            }
                            , , function() {
                                var t = n[e++]
                                    , r = t ? i.slice(-t) : [];
                                i.length -= t,
                                    t = i.pop(),
                                    i.push(t[0][t[1]].apply(t[0], r))
                            }
                            , , , function() {
                                var t = n[e++];
                                i[i.length - 1] && (e = t)
                            }
                            , function() {
                                var t = n[e++]
                                    , r = t ? i.slice(-t) : [];
                                i.length -= t,
                                    r.unshift(null),
                                    i.push(function() {
                                        return function(t, e, n) {
                                            return new (Function.bind.apply(t, e))
                                        }
                                            .apply(null, arguments)
                                    }(i.pop(), r))
                            }
                            , function() {
                                i[i.length - 2] = i[i.length - 2] - i.pop()
                            }
                            , function() {
                                var t = i[i.length - 2];
                                t[0][t[1]] = i[i.length - 1]
                            }
                            , , function() {
                                var t = n[e++];
                                i[t] = void 0 === i[t] ? [] : i[t]
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                            , , function() {
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                            }
                            , , , , function() {
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                            , function() {
                                i[i.length - 1] = r[i[i.length - 1]]
                            }
                            , , function() {
                                i.push("")
                            }
                            , , function() {
                                i[i.length - 2] = i[i.length - 2] << i.pop()
                            }
                            , , function() {
                                var t = i.pop();
                                i.push([i[i.pop()][0], t])
                            }
                            , function() {
                                i.push(i[i.pop()[0]][0])
                            }
                            , , function() {
                                i[i.length - 1] = n[e++]
                            }
                            , function() {
                                i[i.length - 2] = i[i.length - 2] >> i.pop()
                            }
                            , , function() {
                                i.push(!1)
                            }
                            , function() {
                                i[i.length - 2] = i[i.length - 2] > i.pop()
                            }
                            , , function() {
                                i[i.length - 2] = i[i.length - 2] ^ i.pop()
                            }
                            , function() {
                                i.push([i.pop(), i.pop()].reverse())
                            }
                            , function() {
                                i.pop()
                            }
                            , function() {
                                i[i[i.length - 2][0]][0] = i[i.length - 1]
                            }
                            , , , , function() {
                                i.push(i[i.length - 1])
                            }
                            , , function() {
                                return !0
                            }
                            , function() {
                                i.push([r, i.pop()])
                            }
                            , function() {
                                var t = n[e++]
                                    , o = t ? i.slice(-t) : [];
                                i.length -= t,
                                    i.push(i.pop().apply(r, o))
                            }
                            , function() {
                                i[i.length - 2] = i[i.length - 2] >= i.pop()
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                            , , , function() {
                                i.length = n[e++]
                            }
                            , , function() {
                                var t = i.pop()
                                    , e = i.pop();
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                            }
                            , , function() {
                                i[i.length - 2] = i[i.length - 2] & i.pop()
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                            , function() {
                                e = n[e++]
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                            , , function() {
                                i[i.length - 1] += String.fromCharCode(n[e++])
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                            , , , function() {
                                i[i.length - 2] = i[i.length - 2] === i.pop()
                            }
                            , function() {
                                i.push(void 0)
                            }
                            , function() {
                                var t = i.pop();
                                i.push(t[0][t[1]])
                            }
                            , , function() {
                                i.push(!0)
                            }
                            , , function() {
                                i[i.length - 2] = i[i.length - 2] * i.pop()
                            }
                            , function() {
                                i.push(n[e++])
                            }
                            , function() {
                                i.push(typeof i.pop())
                            }
                        ]; ; )
                            try {
                                for (var h = !1; !h; )
                                    h = d[n[e++]]();
                                if (p)
                                    throw p;
                                return c ? (i.pop(),
                                    i.slice(3 + t.v)) : i.pop()
                            } catch (m) {
                                var v = f.pop();
                                if (void 0 === v)
                                    throw m;
                                p = m,
                                    e = v[0],
                                    i.length = v[1],
                                v[2] && (i[v[2]][0] = p)
                            }
                    }
                    return t.v = 5,
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                            var e = t[1]
                                , n = []
                                , r = function(t) {
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                                o++ % 4) && (u += String.fromCharCode(255 & e >> (-2 * o & 6))))
                                    n = function(t, e, n) {
                                        if ("function" == typeof Array.prototype.indexOf)
                                            return Array.prototype.indexOf.call(t, e, n);
                                        var r;
                                        if (null == t)
                                            throw new TypeError('"array" is null or not defined');
                                        var i = Object(t)
                                            , o = i.length >>> 0;
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                                            return -1;
                                        if (o <= (n |= 0))
                                            return -1;
                                        for (r = Math.max(0 <= n ? n : o - Math.abs(n), 0); r < o; r++)
                                            if (r in i && i[r] === e)
                                                return r;
                                        return -1
                                    }(r, n);
                                return u
                            }(t[0])
                                , i = e.shift()
                                , o = e.shift()
                                , a = 0;
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                                    n.push(o),
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                            }
                            for (var s = 0; s < r.length; s++) {
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                                u(),
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                }();
                r.g = function() {
                    return r.shift()[0]
                }
                    ,
                    n.__sign_hash_20200305 = function(t) {
                        function e(t, e) {
                            var n = (65535 & t) + (65535 & e);
                            return (t >> 16) + (e >> 16) + (n >> 16) << 16 | 65535 & n
                        }
                        function n(t, n, r, i, o, a) {
                            return e((u = e(e(n, t), e(i, a))) << (s = o) | u >>> 32 - s, r);
                            var u, s
                        }
                        function r(t, e, r, i, o, a, u) {
                            return n(e & r | ~e & i, t, e, o, a, u)
                        }
                        function i(t, e, r, i, o, a, u) {
                            return n(e & i | r & ~i, t, e, o, a, u)
                        }
                        function o(t, e, r, i, o, a, u) {
                            return n(e ^ r ^ i, t, e, o, a, u)
                        }
                        function a(t, e, r, i, o, a, u) {
                            return n(r ^ (e | ~i), t, e, o, a, u)
                        }
                        function u(t) {
                            return function(t) {
                                var e, n = "";
                                for (e = 0; e < 32 * t.length; e += 8)
                                    n += String.fromCharCode(t[e >> 5] >>> e % 32 & 255);
                                return n
                            }(function(t, n) {
                                t[n >> 5] |= 128 << n % 32,
                                    t[14 + (n + 64 >>> 9 << 4)] = n;
                                var u, s, c, l, f, p = 1732584193, d = -271733879, h = -1732584194, v = 271733878;
                                for (u = 0; u < t.length; u += 16)
                                    s = p,
                                        c = d,
                                        l = h,
                                        f = v,
                                        p = r(p, d, h, v, t[u], 7, -680876936),
                                        v = r(v, p, d, h, t[u + 1], 12, -389564586),
                                        h = r(h, v, p, d, t[u + 2], 17, 606105819),
                                        d = r(d, h, v, p, t[u + 3], 22, -1044525330),
                                        p = r(p, d, h, v, t[u + 4], 7, -176418897),
                                        v = r(v, p, d, h, t[u + 5], 12, 1200080426),
                                        h = r(h, v, p, d, t[u + 6], 17, -1473231341),
                                        d = r(d, h, v, p, t[u + 7], 22, -45705983),
                                        p = r(p, d, h, v, t[u + 8], 7, 1770035416),
                                        v = r(v, p, d, h, t[u + 9], 12, -1958414417),
                                        h = r(h, v, p, d, t[u + 10], 17, -42063),
                                        d = r(d, h, v, p, t[u + 11], 22, -1990404162),
                                        p = r(p, d, h, v, t[u + 12], 7, 1804603682),
                                        v = r(v, p, d, h, t[u + 13], 12, -40341101),
                                        h = r(h, v, p, d, t[u + 14], 17, -1502002290),
                                        p = i(p, d = r(d, h, v, p, t[u + 15], 22, 1236535329), h, v, t[u + 1], 5, -165796510),
                                        v = i(v, p, d, h, t[u + 6], 9, -1069501632),
                                        h = i(h, v, p, d, t[u + 11], 14, 643717713),
                                        d = i(d, h, v, p, t[u], 20, -373897302),
                                        p = i(p, d, h, v, t[u + 5], 5, -701558691),
                                        v = i(v, p, d, h, t[u + 10], 9, 38016083),
                                        h = i(h, v, p, d, t[u + 15], 14, -660478335),
                                        d = i(d, h, v, p, t[u + 4], 20, -405537848),
                                        p = i(p, d, h, v, t[u + 9], 5, 568446438),
                                        v = i(v, p, d, h, t[u + 14], 9, -1019803690),
                                        h = i(h, v, p, d, t[u + 3], 14, -187363961),
                                        d = i(d, h, v, p, t[u + 8], 20, 1163531501),
                                        p = i(p, d, h, v, t[u + 13], 5, -1444681467),
                                        v = i(v, p, d, h, t[u + 2], 9, -51403784),
                                        h = i(h, v, p, d, t[u + 7], 14, 1735328473),
                                        p = o(p, d = i(d, h, v, p, t[u + 12], 20, -1926607734), h, v, t[u + 5], 4, -378558),
                                        v = o(v, p, d, h, t[u + 8], 11, -2022574463),
                                        h = o(h, v, p, d, t[u + 11], 16, 1839030562),
                                        d = o(d, h, v, p, t[u + 14], 23, -35309556),
                                        p = o(p, d, h, v, t[u + 1], 4, -1530992060),
                                        v = o(v, p, d, h, t[u + 4], 11, 1272893353),
                                        h = o(h, v, p, d, t[u + 7], 16, -155497632),
                                        d = o(d, h, v, p, t[u + 10], 23, -1094730640),
                                        p = o(p, d, h, v, t[u + 13], 4, 681279174),
                                        v = o(v, p, d, h, t[u], 11, -358537222),
                                        h = o(h, v, p, d, t[u + 3], 16, -722521979),
                                        d = o(d, h, v, p, t[u + 6], 23, 76029189),
                                        p = o(p, d, h, v, t[u + 9], 4, -640364487),
                                        v = o(v, p, d, h, t[u + 12], 11, -421815835),
                                        h = o(h, v, p, d, t[u + 15], 16, 530742520),
                                        p = a(p, d = o(d, h, v, p, t[u + 2], 23, -995338651), h, v, t[u], 6, -198630844),
                                        v = a(v, p, d, h, t[u + 7], 10, 1126891415),
                                        h = a(h, v, p, d, t[u + 14], 15, -1416354905),
                                        d = a(d, h, v, p, t[u + 5], 21, -57434055),
                                        p = a(p, d, h, v, t[u + 12], 6, 1700485571),
                                        v = a(v, p, d, h, t[u + 3], 10, -1894986606),
                                        h = a(h, v, p, d, t[u + 10], 15, -1051523),
                                        d = a(d, h, v, p, t[u + 1], 21, -2054922799),
                                        p = a(p, d, h, v, t[u + 8], 6, 1873313359),
                                        v = a(v, p, d, h, t[u + 15], 10, -30611744),
                                        h = a(h, v, p, d, t[u + 6], 15, -1560198380),
                                        d = a(d, h, v, p, t[u + 13], 21, 1309151649),
                                        p = a(p, d, h, v, t[u + 4], 6, -145523070),
                                        v = a(v, p, d, h, t[u + 11], 10, -1120210379),
                                        h = a(h, v, p, d, t[u + 2], 15, 718787259),
                                        d = a(d, h, v, p, t[u + 9], 21, -343485551),
                                        p = e(p, s),
                                        d = e(d, c),
                                        h = e(h, l),
                                        v = e(v, f);
                                return [p, d, h, v]
                            }(function(t) {
                                var e, n = [];
                                for (n[(t.length >> 2) - 1] = void 0,
                                         e = 0; e < n.length; e += 1)
                                    n[e] = 0;
                                for (e = 0; e < 8 * t.length; e += 8)
                                    n[e >> 5] |= (255 & t.charCodeAt(e / 8)) << e % 32;
                                return n
                            }(t), 8 * t.length))
                        }
                        function s(t) {
                            return u(unescape(encodeURIComponent(t)))
                        }
                        return function(t) {
                            var e, n, r = "";
                            for (n = 0; n < t.length; n += 1)
                                e = t.charCodeAt(n),
                                    r += "0123456789abcdef".charAt(e >>> 4 & 15) + "0123456789abcdef".charAt(15 & e);
                            return r
                        }(s(t))
                    }
                ;
                var i = n._getSecuritySign;
                delete n._getSecuritySign,
                    e.default = i
            }
                .call(this, window.bing(1))
    },
    function(t, e) {
        var n;
        n = function() {
            return this
        }();
        try {
            n = n || new Function("return this")()
        } catch (r) {
            "object" === typeof window && (n = window)
        }
        t.exports = n
    }
]);

console.log(window.bing(0).default('{"comm":{"cv":4747474,"ct":24,"format":"json","inCharset":"utf-8","outCharset":"utf-8","notice":0,"platform":"yqq.json","needNewCode":1,"uin":0,"g_tk_new_20200303":5381,"g_tk":5381},"req_1":{"module":"music.musicasset.SongFavRead","method":"IsSongFanByMid","param":{"v_songMid":["00218E3L0kU0fb","002VQQ8b2nNPe3"]}},"req_2":{"module":"music.musichallSong.PlayLyricInfo","method":"GetPlayLyricInfo","param":{"songMID":"00218E3L0kU0fb","songID":492489014}},"req_3":{"method":"GetCommentCount","module":"music.globalComment.GlobalCommentRead","param":{"request_list":[{"biz_type":1,"biz_id":"492489014","biz_sub_type":0}]}},"req_4":{"module":"music.musichallAlbum.AlbumInfoServer","method":"GetAlbumDetail","param":{"albumMid":"0001sESa0DlBPj"}},"req_5":{"module":"vkey.GetVkeyServer","method":"CgiGetVkey","param":{"guid":"6077141855","songmid":["00218E3L0kU0fb"],"songtype":[0],"uin":"0","loginflag":1,"platform":"20"}}}'))

web逆向 > 音乐类

#code #编程 #js逆向

QQ音乐 sign参数逆向补环境破解

http://blog.bingyue.top/2024/06/10/qqmusic_sign/

作者

bingyue

发布于

2024年6月10日

许可协议

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