逆向案例二十二——同样是webpack-编程知识

网址：aHR0cHM6Ly93d3cubXl0b2tlbmNhcC5jb20vemgv

嘿嘿，我也是用上加密了，简单base64加密，用在线网站解密即可。

抓包发现code是形似加密的，换一个包，观察它是否有变化，发现确实是有变化，那么开始找加密位置吧：

跟栈，在起始栈打上断点，点击下一页

看到异步栈，怎么处理，进入异步栈，打上断点呗，点击下一页。

看到n = n.then(t.shift(), t.shift());有一种莫名的熟悉感，不会是webpack吧？第一个t.shift是代码执行成功后将要执行的代码。其中t是一个数组，里面是将要执行的内容，打印它分别进入要执行的函数。然后进去找加密位置

因为我发现跟栈打断点，很难找到加密的位置，其实就在v栈，它推荐你打断点的上面不远处。

进入第一个函数，打上断点，发现e还是没有code,但往下看发现了code,再打上断点试试看

发现r就是code,r由o()(n + "9527" + n.substr(0, 6))生成， n在方有赋值，是时间戳n = Date.now().toString()

再在上面找o的定义位置就在断点前面不远处。

哇塞，一看就是webpack，现在要找加载器，然后再找模块，其实本文件就是webpack的子文件，可以直接全部复制，但是我们一个一个来。

现在r=n(2568)处打上断点，释放其他断点，然后刷新页面，这里只能刷新页面，点击下一页没用。鼠标放在n上，进入webpack,果然是常见形式。

开始愉快的复制吧，把加载器用全局变量弄出来。

如果不注释，这里会报错，将self改为window,再在顶部定义window=global,

var yangxin;
var window=global;
!function() {"use strict";var c = {}, e = {};function t(n) {var b = e[n];if (void 0 !== b)return b.exports;var f = e[n] = {id: n,loaded: !1,exports: {}}, r = !0;try {c[n].call(f.exports, f, f.exports, t),r = !1} finally {r && delete e[n]}return f.loaded = !0,f.exports}t.m = c,t.amdO = {},function() {var c = [];t.O = function(e, n, b, f) {if (!n) {var r = 1 / 0;for (i = 0; i < c.length; i++) {n = c[i][0],b = c[i][1],f = c[i][2];for (var a = !0, d = 0; d < n.length; d++)(!1 & f || r >= f) && Object.keys(t.O).every((function(c) {return t.O[c](n[d])})) ? n.splice(d--, 1) : (a = !1,f < r && (r = f));if (a) {c.splice(i--, 1);var o = b();void 0 !== o && (e = o)}}return e}f = f || 0;for (var i = c.length; i > 0 && c[i - 1][2] > f; i--)c[i] = c[i - 1];c[i] = [n, b, f]}}(),t.n = function(c) {var e = c && c.__esModule ? function() {return c.default}: function() {return c};return t.d(e, {a: e}),e},function() {var c, e = Object.getPrototypeOf ? function(c) {return Object.getPrototypeOf(c)}: function(c) {return c.__proto__};t.t = function(n, b) {if (1 & b && (n = this(n)),8 & b)return n;if ("object" === typeof n && n) {if (4 & b && n.__esModule)return n;if (16 & b && "function" === typeof n.then)return n}var f = Object.create(null);t.r(f);var r = {};c = c || [null, e({}), e([]), e(e)];for (var a = 2 & b && n; "object" == typeof a && !~c.indexOf(a); a = e(a))Object.getOwnPropertyNames(a).forEach((function(c) {r[c] = function() {return n[c]}}));return r.default = function() {return n},t.d(f, r),f}}(),t.d = function(c, e) {for (var n in e)t.o(e, n) && !t.o(c, n) && Object.defineProperty(c, n, {enumerable: !0,get: e[n]})},t.f = {},t.e = function(c) {return Promise.all(Object.keys(t.f).reduce((function(e, n) {return t.f[n](c, e),e}), []))},t.u = function(c) {return 1513 === c ? "static/chunks/1513-0e5542576d131d13.js" : 6994 === c ? "static/chunks/6994-40b2d8e72180eb43.js" : 3303 === c ? "static/chunks/3303-dc2ed119723eb283.js" : 1594 === c ? "static/chunks/1594-e4217e49f9f64f6f.js" : 4885 === c ? "static/chunks/75fc9c18-90c2dd503d9fb0a6.js" : 2077 === c ? "static/chunks/2077-23d50d95610daceb.js" : "static/chunks/" + (9030 === c ? "23b2023c" : c) + "." + {717: "d24004b531335826",2643: "9fd0a0dff3edb59b",4332: "c6167c28299a9239",4709: "ca984907cbc31a2c",4784: "c195d05d71d57baa",5519: "46e9281322c8adea",6993: "4f2844453947b332",9030: "08b29e1c1e6202b2",9314: "2919973e4b416dac",9651: "f4dfb1c3d92b56b7",9734: "a14004c95854d63c"}[c] + ".js"},t.miniCssF = function(c) {return "static/css/" + {64: "d07d2e213601578c",326: "013a8cf55980ffc5",447: "d07d2e213601578c",685: "7c3395e73962289c",693: "d07d2e213601578c",818: "d07d2e213601578c",827: "d07d2e213601578c",855: "d2644af3b8e0926f",937: "d07d2e213601578c",1e3: "bf9bc0651053a2fb",1482: "d07d2e213601578c",1495: "1a13021f0f12fe20",2139: "bce568edad6e649c",2232: "d07d2e213601578c",2277: "d07d2e213601578c",2358: "d07d2e213601578c",2429: "b27744438ad6c677",2663: "d07d2e213601578c",2870: "d07d2e213601578c",2888: "c0cc9fb3535da9a0",2983: "e643e2c207108e40",3028: "d07d2e213601578c",3161: "d07d2e213601578c",3208: "d07d2e213601578c",3313: "a3b2418359ac592d",3320: "d07d2e213601578c",3486: "d07d2e213601578c",3547: "d07d2e213601578c",3955: "4e70cc44e546da26",4122: "5e6055f796abc978",4209: "d07d2e213601578c",4362: "d07d2e213601578c",4393: "a1f1eaa2d4b3792d",4674: "d7ba7778089c176e",4892: "d07d2e213601578c",5125: "d07d2e213601578c",5215: "d07d2e213601578c",5276: "efbd9fad9f2886ee",5297: "d07d2e213601578c",5318: "d07d2e213601578c",5378: "d07d2e213601578c",5405: "53a20d8403a6ab3d",5728: "4991c8cbb4cd69e8",6195: "d07d2e213601578c",6443: "53a20d8403a6ab3d",6804: "6a8f0640ccc5d03d",6909: "9931c92649d2d619",7104: "b53fd579a16c2de6",7137: "0266572771354a9e",7371: "d07d2e213601578c",7401: "6b66cb2aefb41102",7416: "d07d2e213601578c",7925: "d07d2e213601578c",8361: "d07d2e213601578c",8479: "d07d2e213601578c",8534: "d07d2e213601578c",8554: "d07d2e213601578c",8623: "d07d2e213601578c",8820: "d07d2e213601578c",8887: "d07d2e213601578c",8900: "d07d2e213601578c",8915: "d07d2e213601578c",8963: "f082b16fc09a8cf8",9603: "d07d2e213601578c",9654: "072aac98412bc93d",9899: "d07d2e213601578c",9945: "d07d2e213601578c"}[c] + ".css"},t.g = function() {if ("object" === typeof globalThis)return globalThis;try {return this || new Function("return this")()} catch (c) {if ("object" === typeof window)return window}}(),t.o = function(c, e) {return Object.prototype.hasOwnProperty.call(c, e)},function() {var c = {}, e = "_N_E:";t.l = function(n, b, f, r) {if (c[n])c[n].push(b);else {var a, d;if (void 0 !== f)for (var o = document.getElementsByTagName("script"), i = 0; i < o.length; i++) {var u = o[i];if (u.getAttribute("src") == n || u.getAttribute("data-webpack") == e + f) {a = u;break}}a || (d = !0,(a = document.createElement("script")).charset = "utf-8",a.timeout = 120,t.nc && a.setAttribute("nonce", t.nc),a.setAttribute("data-webpack", e + f),a.src = n),c[n] = [b];var s = function(e, t) {a.onerror = a.onload = null,clearTimeout(l);var b = c[n];if (delete c[n],a.parentNode && a.parentNode.removeChild(a),b && b.forEach((function(c) {return c(t)})),e)return e(t)}, l = setTimeout(s.bind(null, void 0, {type: "timeout",target: a}), 12e4);a.onerror = s.bind(null, a.onerror),a.onload = s.bind(null, a.onload),d && document.head.appendChild(a)}}}(),t.r = function(c) {"undefined" !== typeof Symbol && Symbol.toStringTag && Object.defineProperty(c, Symbol.toStringTag, {value: "Module"}),Object.defineProperty(c, "__esModule", {value: !0})},t.nmd = function(c) {return c.paths = [],c.children || (c.children = []),c},t.p = "/_next/",function() {var c = {2272: 0};t.f.j = function(e, n) {var b = t.o(c, e) ? c[e] : void 0;if (0 !== b)if (b)n.push(b[2]);else if (2272 != e) {var f = new Promise((function(t, n) {b = c[e] = [t, n]}));n.push(b[2] = f);var r = t.p + t.u(e), a = new Error;t.l(r, (function(n) {if (t.o(c, e) && (0 !== (b = c[e]) && (c[e] = void 0),b)) {var f = n && ("load" === n.type ? "missing" : n.type), r = n && n.target && n.target.src;a.message = "Loading chunk " + e + " failed.\n(" + f + ": " + r + ")",a.name = "ChunkLoadError",a.type = f,a.request = r,b[1](a)}}), "chunk-" + e, e)} elsec[e] = 0},t.O.j = function(e) {return 0 === c[e]};var e = function(e, n) {var b, f, r = n[0], a = n[1], d = n[2], o = 0;if (r.some((function(e) {return 0 !== c[e]}))) {for (b in a)t.o(a, b) && (t.m[b] = a[b]);if (d)var i = d(t)}for (e && e(n); o < r.length; o++)f = r[o],t.o(c, f) && c[f] && c[f][0](),c[f] = 0;return t.O(i)}, n = window.webpackChunk_N_E = window.webpackChunk_N_E || [];n.forEach(e.bind(null, 0)),n.push = e.bind(null, n.push.bind(n))}()yangxin = t;
}();
console.log(yangxin)

结果展现：

现在把后面的使用代码输进去。现在就要开始补充函数模块了，把鼠标放在n(2568)上，并在加载器t函数内，加上console.log(n)

要复制2568，还要加上其他的模块，包括71012,40487,48738

最后呈现这样，代码应该没问题，但是一直出现错误。一直卡在这里，有谁知道原因吗。

完整代码：

var yangxin;
window = global;
!function() {"use strict";var c = {}, e = {};function t(n) {console.log(n)var b = e[n];if (void 0 !== b)return b.exports;var f = e[n] = {id: n,loaded: !1,exports: {}}, r = !0;try {c[n].call(f.exports, f, f.exports, t),r = !1} finally {r && delete e[n]}return f.loaded = !0,f.exports}t.m = c,t.amdO = {},function() {var c = [];t.O = function(e, n, b, f) {if (!n) {var r = 1 / 0;for (i = 0; i < c.length; i++) {n = c[i][0],b = c[i][1],f = c[i][2];for (var a = !0, d = 0; d < n.length; d++)(!1 & f || r >= f) && Object.keys(t.O).every((function(c) {return t.O[c](n[d])})) ? n.splice(d--, 1) : (a = !1,f < r && (r = f));if (a) {c.splice(i--, 1);var o = b();void 0 !== o && (e = o)}}return e}f = f || 0;for (var i = c.length; i > 0 && c[i - 1][2] > f; i--)c[i] = c[i - 1];c[i] = [n, b, f]}}(),t.n = function(c) {var e = c && c.__esModule ? function() {return c.default}: function() {return c};return t.d(e, {a: e}),e},function() {var c, e = Object.getPrototypeOf ? function(c) {return Object.getPrototypeOf(c)}: function(c) {return c.__proto__};t.t = function(n, b) {if (1 & b && (n = this(n)),8 & b)return n;if ("object" === typeof n && n) {if (4 & b && n.__esModule)return n;if (16 & b && "function" === typeof n.then)return n}var f = Object.create(null);t.r(f);var r = {};c = c || [null, e({}), e([]), e(e)];for (var a = 2 & b && n; "object" == typeof a && !~c.indexOf(a); a = e(a))Object.getOwnPropertyNames(a).forEach((function(c) {r[c] = function() {return n[c]}}));return r.default = function() {return n},t.d(f, r),f}}(),t.d = function(c, e) {for (var n in e)t.o(e, n) && !t.o(c, n) && Object.defineProperty(c, n, {enumerable: !0,get: e[n]})},t.f = {},t.e = function(c) {return Promise.all(Object.keys(t.f).reduce((function(e, n) {return t.f[n](c, e),e}), []))},t.u = function(c) {return 1513 === c ? "static/chunks/1513-0e5542576d131d13.js" : 6994 === c ? "static/chunks/6994-40b2d8e72180eb43.js" : 3303 === c ? "static/chunks/3303-dc2ed119723eb283.js" : 1594 === c ? "static/chunks/1594-e4217e49f9f64f6f.js" : 4885 === c ? "static/chunks/75fc9c18-90c2dd503d9fb0a6.js" : 2077 === c ? "static/chunks/2077-23d50d95610daceb.js" : "static/chunks/" + (9030 === c ? 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var r = yangxin(2568);
var o = yangxin.n(r);
var n = Date.now().toString()
var result = o()(n + "9527" + n.substr(0, 6));
console.log(result)