一、為什么要保護JavaScript源代碼
安全性：公開的代碼可能包含敏感信息（如 API 密鑰），容易被惡意用戶利用。
知識產權：開發(fā)者希望保護自己的創(chuàng)意和實現方式，避免被抄襲或不當使用。
防止篡改：保護代碼可以防止他人修改代碼，從而確保應用的完整性和功能。
提高性能：通過壓縮和混淆代碼，可以減小文件大小，提升加載速度。
控制用戶體驗：保護代碼可以避免用戶隨意修改，從而維護產品的一致性和質量。
二、保護JavaScript代碼方案
保護JavaScript 代碼通常指的是在不直接暴露內部實現邏輯的情況下執(zhí)行代碼。這種方法可以提高代碼的安全性和隱私性。
1.簡單的變量名替換
混淆前
function add(firstNumber, secondNumber) {
// 計算兩個數字的和
const sum = firstNumber + secondNumber;
return sum;
}
console.log(add(1, 2));
混淆后
// 無意義的變量名
function a(b, c) {
// 計算兩個數字的和
const d = b + c;
return d;
}
console.log(a(1, 2));
// 肉眼容易識別錯誤的變量名
function ?(?, ?) {
// 計算兩個數字的和
const Ο = ? + ?;
return Ο;
}
console.log(?(1, 2));
常見的變量壓縮工具：UglifyJS，Terser，Babel，Webpack等
2.JS運行環(huán)境自帶的原生方法eval、Function，eval和 Function是JavaScript中兩種動態(tài)執(zhí)行代碼的方法
const result = eval("2 + 2");
console.log(result); // 輸出 4
const add= new Function("a", "b", "return a + b");
console.log(add(2, 3)); // 輸出 5
eval方式簡單混淆
// 混淆前
console.log("JS代碼混淆");
// 混淆后
eval(function (p, a, c, k, e, d) {
e = function (c) {
return (c < a ? '' : e(parseInt(c / a))) + ((c = c % a) > 35 ? String.fromCharCode(c + 29) : c.toString(36))
};
if (!''.replace(/^/, String)) {
while (c--) d[e(c)] = k[c] || e(c);
k = [function (e) {
return d[e]
}];
e = function () {
return '\\w+'
};
c = 1
}
while (c--) if (k[c]) p = p.replace(new RegExp('\\b' + e(c) + '\\b', 'g'), k[c]);
return p
}('1.2("0代碼混淆")', 62, 3, 'JS|console|log'.split('|'), 0, {}));
上述混淆方案已經隱藏了原始代碼，但專業(yè)的逆向人員可以快速hook定位到原始代碼(最終執(zhí)行還是要經過eval方法，因此可以通過hook eval函數得到原始的js代碼)
3.成熟的混淆工具：JavaScript Obfuscator Tool
官網：https://obfuscator.io/
GitHub: https://github.com/javascript-obfuscator/javascript-obfuscator
混淆前
function hi() {
console.log("Hello World!");
}
hi();
混淆后
// 原始代碼已經被隱藏了，逆向難度也大幅度的進行了增加。
(function(_0x797cec,_0x351d15){var _0xc07c30=_0x2a25,_0x2c1de7=_0x797cec();while(!![]){try{var _0xea6350=-parseInt(_0xc07c30(0x14f))/0x1+parseInt(_0xc07c30(0x15f))/0x2*(parseInt(_0xc07c30(0x15a))/0x3)+-parseInt(_0xc07c30(0x148))/0x4+-parseInt(_0xc07c30(0x15d))/0x5*(-parseInt(_0xc07c30(0x155))/0x6)+parseInt(_0xc07c30(0x14c))/0x7*(-parseInt(_0xc07c30(0x158))/0x8)+-parseInt(_0xc07c30(0x147))/0x9+parseInt(_0xc07c30(0x160))/0xa;if(_0xea6350===_0x351d15)break;else _0x2c1de7['push'](_0x2c1de7['shift']());}catch(_0x131c32){_0x2c1de7['push'](_0x2c1de7['shift']());}}}(_0x2af1,0xe8af2));function hi(){var _0x13f3e6=_0x2a25,_0x266dcf=(function(){var _0x36d674=!![];return function(_0x1b775e,_0x35bbc9){var _0x54b388=_0x36d674?function(){if(_0x35bbc9){var _0x26e639=_0x35bbc9['apply'](_0x1b775e,arguments);return _0x35bbc9=null,_0x26e639;}}:function(){};return _0x36d674=![],_0x54b388;};}()),_0x3e0598=_0x266dcf(this,function(){var _0x311e06=_0x2a25;return _0x3e0598[_0x311e06(0x156)]()[_0x311e06(0x15b)](_0x311e06(0x14b))[_0x311e06(0x156)]()[_0x311e06(0x15c)](_0x3e0598)['search']('(((.+)+)+)+$');});_0x3e0598();var _0x16383c=(function(){var _0x216d4f=!![];return function(_0x2e3d05,_0x2c5ca2){var _0x1f2768=_0x216d4f?function(){var _0x11bda5=_0x2a25;if(_0x2c5ca2){var _0x5a926f=_0x2c5ca2[_0x11bda5(0x14d)](_0x2e3d05,arguments);return _0x2c5ca2=null,_0x5a926f;}}:function(){};return _0x216d4f=![],_0x1f2768;};}()),_0x566c06=_0x16383c(this,function(){var _0x3764d4=_0x2a25,_0x5d41b9=function(){var _0x5d69e3=_0x2a25,_0xdee8cc;try{_0xdee8cc=Function(_0x5d69e3(0x162)+_0x5d69e3(0x159)+');')();}catch(_0x3fdade){_0xdee8cc=window;}return _0xdee8cc;},_0x8f6df0=_0x5d41b9(),_0x3b6296=_0x8f6df0[_0x3764d4(0x153)]=_0x8f6df0[_0x3764d4(0x153)]||{},_0x36b8d7=[_0x3764d4(0x14e),_0x3764d4(0x161),_0x3764d4(0x154),_0x3764d4(0x149),_0x3764d4(0x151),_0x3764d4(0x15e),_0x3764d4(0x157)];for(var _0x676b0d=0x0;_0x676b0d<_0x36b8d7[_0x3764d4(0x150)];_0x676b0d++){var _0x444451=_0x16383c['constructor'][_0x3764d4(0x14a)][_0x3764d4(0x152)](_0x16383c),_0x267b28=_0x36b8d7[_0x676b0d],_0x1b6006=_0x3b6296[_0x267b28]||_0x444451;_0x444451[_0x3764d4(0x163)]=_0x16383c['bind'](_0x16383c),_0x444451[_0x3764d4(0x156)]=_0x1b6006[_0x3764d4(0x156)][_0x3764d4(0x152)](_0x1b6006),_0x3b6296[_0x267b28]=_0x444451;}});_0x566c06(),console[_0x13f3e6(0x14e)](_0x13f3e6(0x146));}function _0x2a25(_0x519e2a,_0x41d08f){var _0x3e8458=_0x2af1();return _0x2a25=function(_0x5083fa,_0x32635e){_0x5083fa=_0x5083fa-0x146;var _0x577a5e=_0x3e8458[_0x5083fa];return _0x577a5e;},_0x2a25(_0x519e2a,_0x41d08f);}function _0x2af1(){var _0x5d2ba9=['7176700leprVC','error','prototype','(((.+)+)+)+$','167930puTNra','apply','log','589597JEdZxZ','length','exception','bind','console','info','42STsqJw','toString','trace','416QiACAb','{}.constructor(\x22return\x20this\x22)(\x20)','354LpPUvI','search','constructor','96835uQhLEk','table','7438CroYlb','53499490WOFDGj','warn','return\x20(function()\x20','__proto__','Hello\x20World!','12060306bHNOfz'];_0x2af1=function(){return _0x5d2ba9;};return _0x2af1();}hi();
JavaScript Obfuscator Tool 混淆的大致思路如下,僅供參考。
// 最初混淆前
console.log("混淆加固");
// 混淆1：
console["log"]("混淆加固");
// 混淆2：
this["console"]["log"]("混淆加固");// 此this為全局對象,window,globalThis
// 混淆3：
var arr = ["console","log","混淆加固"];
this[arr[0]][arr[1]](arr[2]);
// 混淆4：
// 數組打亂順序
// 混淆5：
// 對數組內的字符串進行加密
// 混淆6：
// 數值混淆
...
4.控制流混淆
控制流混淆是一種代碼保護技術，通過改變程序的控制流結構，使得代碼邏輯變得復雜和難以理解。它包括重排執(zhí)行順序、插入虛假分支、碎片化代碼等手段，旨在阻止逆向工程和保護知識產權。這種方法提高了攻擊者分析代碼的難度，從而增強了軟件的安全性。
簡單混淆原理
// 原始代碼
console.log("開始");
for(i=1;i<6;i++){
console.log(i);
}
console.log("結束");
// 依次輸出
// 開始
// 1
// 2
// 3
// 4
// 5
// 結束
...
| 標簽 | 拆分后的代碼 |
|---|
| 1 | console.log(“開始”); |
| 2 | i=1； |
| 3 | i<6; |
| 4 | i++; |
| 5 | console.log(i); |
| 6 | console.log(“結束”); |
| 標簽 | 拆分后的代碼 | next指向的標簽 |
|---|
| 1 | console.log(“開始”); | 2：i=1； |
| 2 | i=1； | 3：i<6; |
| 3 | i<6; | 5：console.log(i); 6：console.log(“結束”); |
| 4 | i++; | 3：i<6; |
| 5 | console.log(i); | 4：i++; |
| 6 | console.log(“結束”); | 結束：return |
!function (){
var next = 1;// 初始化
while(1){
switch(next){
case 1:
console.log("開始");
next = 2;
break;
case 2:
i=1;
next = 3;
break;
case 3:
if(i<6){//分支跳轉語句
next = 5;
}else{
next = 6;
}
break;
case 4:
i++;
next = 3;
break;
case 5:
console.log(i);
next = 4;
break;
case 6:
console.log("結束");
return;// 結束
}
}
}();
!function (){
var next = 1;// 初始化
while(1){
switch(next){
case 1:
console.log("開始"),next = 2;
break;
case 2:
i=1,next = 3;
break;
case 3:
next = i<6 ?next = 5:next = 6;//分支跳轉語句
break;
case 4:
i++,next = 3;
break;
case 5:
console.log(i),next = 4;
break;
case 6:
console.log("結束");
return;// 結束
}
}
}();
!function (){
var next = 666;// 初始化
while(1){
switch(next){
case 89:
console.log("結束");
return;// 結束
case 128:
i++,next = 856;
break;
case 312:
console.log(i),next = 128;
break;
case 666:
console.log("開始"),next = 963;
break;
case 856:
next = i<6 ?next = 312:next = 89;//分支跳轉語句
break;
case 963:
i=1,next = 856;
break;
}
}
}();
!function (){
var next = 666;// 初始化
while(1){
if(next < 100){
console.log("結束");
return;// 結束
}else{
if(next < 200){
i++,next = 856;
}else if(next < 800){
if(next < 500){
console.log(i),next = 128;
}else{
console.log("開始"),next = 963;
}
}else{
if(next < 900){
next = i<6 ?next = 312:next = 89;
}else{
i=1,next = 856;
}
}
}
}
}();
// 以轉成三目運算為例
!function () {
var next = 666; // 初始化
while (1)
if (next < 100)
return console.log("結束");// 結束
else
next < 200 ? (i++, next = 856) : next < 800 ? next < 500 ? (console.log(i), next = 128) : (console.log("開始"), next = 963) : next < 900 ? next = i < 6 ? next = 312 : next = 89 : (i = 1, next = 856);
}();
// 以轉成三目運算為例
// 以console.log(i)為例;
1. obj = console;
2. key = "log";
3. arg = i;
4. obj[key](arg);
至此已很難分辨出最初的for循環(huán)語句形式
5.JSVMP-JavaScript虛擬機保護
JSVMP（JavaScript Virtual Machine Protection）是一種針對 JavaScript 代碼的保護技術，旨在防止代碼被逆向工程和盜用。它通過將原始 JavaScript 代碼轉換成虛擬機指令或其他中間格式，從而增加代碼的安全性。
通過案例簡述原理
// 原始代碼
console.log(2 * 5 + 8);
// 1. 2 * 5
// 2. 10 + 8
// 3. console.log(18)
// 1. mul 2, 5 ; 2 乘 5
// 2. add 10, 8 ; 10 加 8
// 3. print 18 ; 打印輸出18
// 1. push 2 ; 常量2入棧
// 2. push 5 ; 常量5入棧
// 3. mul ; 取出棧頂兩個元素進行乘法運算，并將結果入棧
// 4. push 8 ; 常量8入棧
// 5. add ; 取出棧頂兩個元素進行加法運算，并將結果入棧
// 6. print ; 將棧頂元素取出，并進行打印輸出
// 1 -> push ; 1 代表push入棧指令
// 2 -> mul ; 2 代表mul乘法指令
// 3 -> add ; 3 代表add加法指令
// 4 -> print ; 4 代表print打印輸出指令
// 1. push 2 ; 1 2
// 2. push 5 ; 1 5
// 3. mul ; 2
// 4. push 8 ; 1 8
// 5. add ; 3
// 6. print ; 4
// instList = [1,2,1,5,2,1,8,3,4];//最終指令集
// 1.實現一個簡單的解釋器
function vmFunc(instList){
function vm(pc, stack){// pc:當前指令執(zhí)行的位置，stack:棧
stack = stack || [];
let left,right,top;
while(1){
let inst = instList[pc++];// 讀取指令
if(inst === undefined){break;}// 超出指令下標時，讀取到undefined,退出。
switch (inst){
case 1:// push指令：將數值常量入棧
stack.push(instList[pc++]);
break;
case 2:// mul指令：取出棧頂兩個元素進行乘法運算，并將結果入棧
right = stack.pop();
left = stack.pop();
stack.push(left * right);
break;
case 3:// add指令：取出棧頂兩個元素進行加法運算，并將結果入棧
right = stack.pop();
left = stack.pop();
stack.push(left + right);
break;
case 4:// print指令：將棧頂元素取出，并進行打印輸出
top = stack.pop();
console.log(top);
break;
default:// 未實現的指令
console.log(`${inst} 未實現`);
throw {};
}
}
}
vm(0);// 初始指令下標位置
}
vmFunc([1,2,1,5,2,1,8,3,4]);// 傳入指令集執(zhí)行
g.詳細可以看此視頻：實現簡易版解釋器
h.增加jsvmp混淆強度
從jsvmp解釋器上增強混淆強度：變量名替換，switch語句轉成三目運算等等
指令級混淆：動態(tài)指令，虛假分支，指令重排等等
三、喵喵盾JS代碼混淆加密
喵喵盾是一款專為 JavaScript 代碼提供混淆和加密保護的工具，旨在幫助開發(fā)者防止代碼被逆向工程和盜用。通過高效的混淆算法，喵喵盾能夠顯著提升代碼的安全性，使其在發(fā)布后更難被理解和破解。
網址：https://m.ldvmp.com/
功能介紹
1.變量名多種格式
a.普通變量名
b.中文變量名
c.氣泡變量名
d.標點變量名
e.特殊變量名
2.格式化字符串，效果如下
// 混淆前
function add(a, b){// 函數名會被重置
return a + b;
}
console.log(add(3, 5));
globalThis.hash = function(str) {// 導出函數,函數名會被保留
var arr = [],ret=0;
for (var i=0;i < str.length;i++) {
arr.push(str.charCodeAt(i) << 16 | str.charCodeAt(++i));
}
for(i=0;i < arr.length;i++){
ret = 0 | (ret << 5) - ret + arr[i];
}
return ret.toString(36);
}
console.log(hash("LDVMP")==="b3tmzb");
// 混淆后
;(function YY(Na,PY,JA,AY,LJ,xy,LP){function YA(Ay,ha){var AJ=Ay^ha,NY=PY[AJ],JH=69663-AJ,Am=[];if(LP[JH]!==\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064)return LP[JH];for(var ZA=0;ZA<NY.\u006c\u0065\u006e\u0067\u0074\u0068;ZA++)Am.\u0070\u0075\u0073\u0068(NY.\u0063\u0068\u0061\u0072\u0043\u006f\u0064\u0065\u0041\u0074(ZA)-ZA-ha);return LP[JH]=\u0053\u0074\u0072\u0069\u006e\u0067.\u0066\u0072\u006f\u006d\u0043\u0068\u0061\u0072\u0043\u006f\u0064\u0065.\u0061\u0070\u0070\u006c\u0079(null,Am);}(function Ah(NH,TT,JT,Yi,PH){TT=TT||[],JT=JT||[],Yi=Yi||[];for(var N=JT.\u006c\u0065\u006e\u0067\u0074\u0068,Ta,LY;LY=Na[NH++];)if(LY>103)113>LY&&(LY<107&&((105<LY--||((104>LY||(JT[N++ + ++LY-106]=new(xy(JT[N-- -("",2)])())(),\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064))&&(JT[N++ +LY++-109]=xy(JT[N++ +LY-- -110],JT[(N-=59)-LY++ +154],JT[++N+LY++-52])(JT[(N-=LY--)+158],JT[N-- - --LY+262],JT[(N+=157)+LY-99])()),0))&&(JT[(N-=46)+LY++-60]=JT[(N+=46)-++LY+106]==Na[NH++]-(56080+NH)),!false)||(109>LY||((LY>110||(--LY>108&&(JT[++N+--LY-109]=Na[(JT[N++- --LY+107]={},NH++)]-(LY+39925+NH),!\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064)||(JT[(N-=93)+ ++LY-20]=xy(JT[N++-LY--+199])(JT[--N+LY-- -19],JT[N++-LY--+("",198)],JT[(N+=89)+ ++LY-105])(Na[NH++]-(LY++ +34815+NH))),\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064))&&(LY<112||(JT[N+--LY-111]=Na[(JT[(N+=2)+--LY-111]=\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064,NH++)]-(LY--+11006+NH),false))&&(JT[N+LY++-112]+=Na[NH++]-(-LY+("",48497)+NH)),""))&&(108>LY||(JT[N++-++LY+109]=Na[NH++]-(LY+37593+NH),void 0))&&(NH=Na[(Ta=++NH,--NH)]^++LY+("",8527)+ ++NH),!null)||LY>128&&(135<LY&&(JT[N++ +LY-139]=TT[JT[--N+LY++-139]]=JT[N++-2]-JT[(N-=3)+LY++-("",136)],!null)||(LY>133||(LY>131&&((LY<133||(JT[++N+ ++LY-135]=YA(Na[NH++]^++LY+23050+NH,Na[NH++]^-LY++ +("",56389)+NH),void 0))&&(JT[N++-LY--+130]-=TT[JT[(N-=2)-LY--+("",131)]]),!0)||(LY>130||(LY<130&&(JT[--N- --LY+129]=Na[(JT[(N+=3)-LY--+127]=[],NH++)]-(LY+24390+NH),{})||(JT[++N-LY--+126]=Yi[Yi.\u006c\u0065\u006e\u0067\u0074\u0068-JT[++N+--LY-132]][JT[N+LY-- -133]]=JT[(N-=4)+LY-126]),void 0))&&(JT[--N-LY--+131]=JT[++N+LY-131]<Na[NH++]-(- --LY+48763+NH)),\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064))&&(135>LY||(JT[++N+--LY-135]=[],![]))&&(JT[N++-LY--+134]=PY),!0)||LY<121&&(LY<116&&((114>LY||((115>LY||(JT[(N+=68)- --LY+41]=JT[++N-LY+40][JT[(N-=LY)+41]]=xy(JT[(N-=13)-LY--+170],JT[(N-=68)+LY+10])(JT[(N+=122)-++LY+117])(),!{}))&&(JT[N++ +--LY-113]=[]),!{}))&&(JT[--N- --LY+112]=JT[++N+--LY-112]>Na[NH++]-(--LY+64939+NH)),1)||(LY<118||((LY<120||(JT[(N-=21)+--LY-100]=JT[++N-LY++ +137]!==JT[(N+=19)- --LY+119],0))&&(LY<119&&(xy(JT[N++-LY+117])(JT[N-=3])(),[])||(JT[++N- --LY+114]=LJ(JT[--N-++LY+117],(JT[(N-=96)+--LY-23][0]=JT[(N+=LY--)-25],JT[(N-=24)+("",1)]))())),!true))&&(LY>116||(JT[--N+LY++-117]-=JT[N],!true))&&(JT[(N-=100)-++LY+215]=JT[N+LY-- -21][JT[++N+LY++-20]]=TT[JT[(N+=97)-LY+119]]),!false)||(LY<124||(LY<126&&((125>LY||(JT[++N-LY++ +124]={}[{}],!true))&&(JT[++N+ ++LY-127]=JT[N-- -LY+123][Na[NH++]-(-LY--+("",24379)+NH)]),1)||(LY<128||(JT[(N-=LY)+125]=TT[JT[++N+LY-- -4]]=JT[(N+=38)+87][JT[(N+=87)+1]],null))&&(127>LY||(JT[N-1]*=Na[NH++]-(++LY+52661+NH),!{}))&&(JT[N+ ++LY-128]%=Na[NH++]-(-LY--+24211+NH)),false))&&(122>LY&&(JT[(NH++,N-- -LY++ +120)]&&(NH=Na[--NH]^--LY+20402+ ++NH),!false)||LY<123&&(JT[N--+ ++LY-126]=JT[N--+LY-125][JT[N-++LY+124]]=JT[N+ ++LY-124],{})||(JT[N- --LY+119]=LJ(JT[N-- -LY--+120],[JT[N-- -LY++ +119]])(JT[N+--LY-120])));else if(LY<36){if(LY<10){if(LY<4)(LY>2||((1<LY++||(xy(JT[--N-1],JT[N-- -LY])()(JT[N--+("",1)]),null))&&(JT[N++-++LY+4]={}),0))&&xy(JT[(N-=103)+ ++LY+97],JT[--N-++LY+("",106)])()(JT[(N+=101)-LY--+7]);else if(LY>7)LY<9&&(JT[N-LY+4]=xy(JT[++N+LY-12],JT[N-- -5])()(JT[N--+LY-- -10],JT[(N-=2)+LY++-5]),1)||(JT[(N-=112)+ ++LY+100]=TT[JT[(N-=111)+LY+211]]=+JT[N+=222]);else if(6>LY){if(LY>4)return JT[(N+=2)-++LY+3];else JT[--N-LY+5]=Na[(JT[(N+=3)+--LY-4]=null,NH++)]-(-LY++ +61428+NH);}else++LY<8&&(JT[(N+=18)+--LY-27]=xy(JT[N+ ++LY-("",27)])(JT[N-++LY-("",13)])(TT[JT[(N-=20)- --LY+8]]),!\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064)||(JT[N-- -LY++ +7]=+JT[++N-LY--+8]);}else(LY<18||((26>LY||((LY>32||((LY<29||((LY<31||(LY>31&&((JT[(N-=6)+LY-- -28]||(NH=JT[N-LY++ +36]),(N+=4)+LY++ +13),!false)||(JT[N--+--LY-("",29)]=Na[(JT[(N+=3)-LY--+28]=Na[NH++]-(LY++ +54540+NH),NH++)]^-++LY+3161+NH),\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064))&&(29<LY||(NH=Ta,!true))&&(JT[--N+LY-- -31]-=JT[N]),!1))&&(LY<27&&(JT[(N+=110)-++LY-85]=JT[N-- -112][JT[(N-=110)- --LY+26]]=Na[NH++]-(-LY--+62097+NH),[])||(LY<28||(JT[N-- -2]+=JT[N+LY-("",28)],null))&&(JT[N++-LY--+19]=xy(JT[++N-9])(JT[N--+LY-("",36)],JT[N--+LY++-("",33)],JT[(N+=108)+LY++-140],JT[--N-111])(JT[N++ +LY-- -138],JT[N+LY-137],JT[(N-=115)+LY-21]))),!{}))&&(34<LY||((LY<34||(LJ(JT[N++-LY+31],[JT[N--+LY-39],JT[N--+LY++-36]])(JT[(N-=3)+3]),null))&&(JT[N--+--LY-40]=function(hs,iH,Nm,hP,ia,Z,hL,TY){var PA=Yi.\u0063\u006f\u006e\u0063\u0061\u0074([TT]);return function hJ(){var HZ=\u0061\u0072\u0067\u0075\u006d\u0065\u006e\u0074\u0073.\u006c\u0065\u006e\u0067\u0074\u0068>iH.\u006c\u0065\u006e\u0067\u0074\u0068?iH.\u006c\u0065\u006e\u0067\u0074\u0068:\u0061\u0072\u0067\u0075\u006d\u0065\u006e\u0074\u0073.\u006c\u0065\u006e\u0067\u0074\u0068,Zi=[];for(var ZA=0;ZA<HZ;ZA++)Zi[iH[ZA]]=\u0061\u0072\u0067\u0075\u006d\u0065\u006e\u0074\u0073[ZA];return hL&&(Zi[Z]=\u0061\u0072\u0067\u0075\u006d\u0065\u006e\u0074\u0073),TY&&(Zi[hP]=this),Nm&&\u004f\u0062\u006a\u0065\u0063\u0074.\u0064\u0065\u0066\u0069\u006e\u0065\u0050\u0072\u006f\u0070\u0065\u0072\u0074\u0079(Zi,hs,{\u0076\u0061\u006c\u0075\u0065:hJ,\u0077\u0072\u0069\u0074\u0061\u0062\u006c\u0065:!1}),Ah(ia,Zi,[],PA);};}(JT[(N-=62)+LY+30],JT[(N+=73)-LY+15],JT[N+LY-- -44],JT[(N+=127)-LY-- -109],JT[++N-LY-116],JT[N-- - --LY-114],JT[(N-=108)+--LY-63],JT[(N-=36)-++LY+32])),!1))&&(JT[N--+LY-42]=xy(JT[N+LY-- -40],JT[N-6],JT[(N+=--LY)-37],JT[(N-=82)+46],JT[++N+--LY+("",14)])(JT[--N+LY+16])(JT[(N+=44)+LY-- -("",27)])),\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064))&&(24<LY&&(JT[--N- --LY+23]=Yi[Yi.\u006c\u0065\u006e\u0067\u0074\u0068-JT[(N+=43)-LY-- -19]][JT[(N-=43)+LY++-24]],{})||LY>22&&((23<LY||(JT[++N+ ++LY-27]=JT[N-- - --LY+20]<JT[N--+ ++LY-("",25)],0))&&(JT[++N+--LY-27]=LJ(JT[N++- --LY+("",19)],(JT[--N+LY++-24][0]=JT[N-4],JT[(N-=3)- --LY+23]))()),[])||LY>20&&((21<LY||(JT[++N+--LY-21]=Na[NH++]^LY--+("",54847)+NH,0))&&function(){debugger;}(),!\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064)||LY<19&&(JT[N+--LY-21]=AY(JT[(N+=72)+LY++-92],JT[(N+=LY--)-94])(JT[(N-=LY--)-75],TT[JT[(N-=76)+--LY-13]]),true)||(LY--<20||(JT[N++-1]=TT[JT[--N+LY-20]]=Na[NH++]-(13605+NH),!{}))&&(JT[N++]=Na[(JT[N++-LY++ +18]={},NH++)]-(++LY+22260+NH))),![]))&&(16<LY--&&(N--,!null)||LY<12&&(10>LY&&(YA=JT[--N+ ++LY-10],!"")||(11>LY||(JT[N-++LY+("",8)]=xy(JT[++N-LY--+8],JT[(N+=37)+LY-- -53])(JT[--N-LY++-29])(TT[JT[(N-=40)+LY-- -9]]),void 0))&&(JT[(N+=115)-117]+=TT[JT[(N-=116)+LY-- -("",10)]]),true)||(14>LY||(15>LY&&(JT[++N-LY++ +14]=JT[(JT[(N-=108)+ ++LY+91]=Na[NH++]-(-LY+("",37439)+NH),(N+=109)+ ++LY-20)],!"")||(JT[--N+ ++LY-16]=JT[N++ +LY-("",16)][YA(Na[NH++]^LY--+61273+NH,Na[NH++]^-LY++ +33369+NH)]),0))&&(++LY<14||(JT[N++ +LY-13]=Na[(JT[++N+LY++-16]=Na[NH++]-(LY+11610+NH),NH++)]^-LY+51478+NH,!1))&&(JT[N-- - --LY+9]=LJ(JT[++N-2],[JT[N++-3],TT[JT[(N-=3)+LY-11]]])()));}else if(70>LY){if(LY>60)(LY>67||((64>LY||((LY>65||((65>LY||(JT[(NH++,--N+LY++-65)]&&(NH=Na[--NH]^++LY+("",28023)+ ++NH),![]))&&(JT[N-- -LY+60]=LJ(JT[(N+=--LY)-65],[JT[N-66],JT[++N+--LY-127]|JT[(N-=66)+LY-60]])()),!true))&&(67>LY&&(NH=JT[(Ta=NH,--N-LY--+66)],true)||(JT[++N+ ++LY-69]=LP)),""))&&(61>--LY&&(JT[N++-LY++ +60]=null,1)||62>LY&&(JT[N-LY++ +61]=JT[N++-LY+61],!false)||(JT[++N+LY-65]=JT[N--+ ++LY-66]<TT[JT[--N+ ++LY-64]])),false))&&(68<LY++||(JT[N++ +--LY-71]=AY(JT[--N-LY--+66],JT[N-- -LY--+64])(JT[--N+--LY-64],Na[NH++]-(--LY+8350+NH)),!{}))&&(JT[++N+LY-- -73]=JT[N+ ++LY-73][JT[N-=2]]);else if(LY>52)56>LY++&&(54<--LY&&(LJ(JT[N++ +LY-56],[JT[N-=3]])(),{})||(54>LY||(JT[N-++LY+54]-=Na[NH++]-(LY--+39811+NH),false))&&(JT[N-- - --LY+50]=xy(JT[++N-LY+("",51)],JT[--N-LY++ +("",51)])()(Na[NH++]-(-LY--+22635+NH))),!"")||(LY>60||(--LY>57&&(LY>58&&(JT[N-LY--+("",58)]=TT[JT[N+LY++-59]],{})||(NH=JT[(Ta=NH,N--+--LY-58)]),!0)||57>LY&&(xy(JT[(N+=LY--)-59])(JT[N++-LY++-5],JT[(N-=LY--)-3])(JT[(N-=5)- --LY+57]),!null)||(JT[(JT[(N+=89)+LY-- -146]=[],N-88)]=JT[(N-=87)+ ++LY-59]),false))&&(JT[N++-++LY+("",62)]=Na[(JT[++N-LY++ +61]=[],NH++)]-(--LY+56354+NH));else if(44<LY){if(48>LY)(LY<46||((47>LY||(JT[N++ +LY-47]=JT[N-LY+43],!{}))&&(JT[N++ +LY-- -48]%=TT[JT[(N-=2)- --LY+("",44)]]),![]))&&(JT[N++-++LY+44]=JT[(N-=114)-LY--+157]<TT[JT[(N+=112)- --LY+44]]);else if(51<LY)NH=Na[(Ta=NH,NH++)]^46219+NH;else if(50>LY--)(47<LY--||(JT[(N-=121)-++LY+164]=AY(JT[(N+=--LY)+72],JT[--N-LY--+118])(JT[N- --LY+118],JT[(N+=73)+LY-42]),null))&&(JT[++N-4]+=JT[N--+LY-50][JT[(N-=2)-LY+48]]);else if(49>--LY)JT[(N-=57)+--LY+9]=!TT[JT[(N+=57)+LY-48]];else return PH.\u006d\u004e=JT[(N-=5)-LY++ +53],PH.\u004c\u0069=JT[(N+=7)+LY++-("",54)],PH.\u0061\u0073=0;}else if(42<LY)LY<44&&(JT[N-- -LY--+42]=TT[JT[++N-++LY+42]]=Na[NH++]-(-LY+("",61959)+NH),!"")||(JT[N-- -3][JT[N--+LY-- -45]]=JT[--N-LY--+45]);else if(LY>40)(LY<42||(JT[++N+--LY-44]=TT[JT[(N+=LY++)-44]]=JT[(N-=43)+--LY-41],0))&&(JT[++N-2]=JT[N-- -LY+39]===Na[NH++]-(- --LY+4972+NH));else if(38<LY)(39<LY||(JT[++N+--LY-40]=TT[JT[--N-1]],0))&&(JT[++N-1]=JA[YA(Na[NH++]^-++LY+17824+NH,Na[NH++]^--LY+45065+NH)]);else if(37<LY)try{var hY=JT[N++-4],YP=JT[N++-++LY+("",35)],HA=JT[N++ + ++LY-44],Zy=JT[(N-=7)-LY--+43],hh={\u0061\u0073:1},mh=Ah(NH,TT,[],Yi,hh);if(hh.\u0061\u0073)return mh;if(hh.\u006d\u004e!==void 0)if(hY=hh.\u006d\u004e,hh.\u004c\u0069>1)return PH.\u006d\u004e=hY,PH.\u004c\u0069=--hh.\u004c\u0069,PH.\u0061\u0073=0;}catch(xZ){TT[Zy]=xZ,hh={\u0061\u0073:1},mh=Ah(YP,TT,[],Yi,hh);if(hh.\u0061\u0073)return mh;if(hh.\u006d\u004e!==\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064)if(hY=hh.\u006d\u004e,hh.\u004c\u0069>1)return PH.\u006d\u004e=hY,PH.\u004c\u0069=--hh.\u004c\u0069,PH.\u0061\u0073=0;}finally{hh={\u0061\u0073:1},mh=Ah(HA,TT,[],Yi,hh);if(hh.\u0061\u0073)return PH&&(PH.\u0061\u0073=1),mh;if(hh.\u006d\u004e!==\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064){if(hY=hh.\u006d\u004e,hh.\u004c\u0069>1)return PH.\u006d\u004e=hY,PH.\u004c\u0069=--hh.\u004c\u0069,PH.\u0061\u0073=0;return Ah(hY,TT,[],Yi);}NH=hY;}else 37>LY&&(xy(JT[(N-=LY--)+32],JT[N--+LY-4],JT[N+=--LY])(JT[(N-=++LY)+36])(JT[(N+=33)+--LY-30]),[])||(JT[N++]=YA(Na[NH++]^LY+953+NH,Na[NH++]^LY--+("",65133)+NH));}else if(LY>94)--LY<97&&(95<LY++&&(JT[N++-LY++ +96]=Yi[Yi.\u006c\u0065\u006e\u0067\u0074\u0068-(Na[NH++]^("",7980)+NH)][JT[N-- -LY++ +96]],!false)||(LY++>95||(JT[--N+LY++-97]+=JT[N+LY-97],!true))&&(JT[(N-=15)-++LY+114]=Na[(JT[(N+=17)-LY++ +96]=YA(Na[NH++]^LY--+("",14201)+NH,Na[NH++]^39203+NH),NH++)]^- --LY+61854+NH),!0)||100<LY--&&((LY>100||(JT[N++- --LY+100]=YA(Na[(JT[N++ + ++LY-101]=Na[NH++]-(LY--+61291+NH),NH++)]^("",21762)+NH,Na[NH++]^-LY+40954+NH),\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064))&&(TT[JT[N++-LY+99]]=JT[(N-=3)+LY-- -("",100)]),!"")||98>LY--&&(LY<96&&(JT[++N+--LY-101]=xy(JT[N- --LY+87],JT[N--+LY-- -100],JT[++N+LY++-97],JT[N++ +LY++-97])(JT[N++-LY+90])(JT[(N-=8)-LY++ +98]),!false)||(JT[N++-++LY+("",95)]=Yi[Yi.\u006c\u0065\u006e\u0067\u0074\u0068-JT[N-LY--+95]][JT[(N-=2)+LY-- -97]]),{})||97<LY&&(JT[++N-LY--+96]=JT[--N+LY-98][YA(Na[NH++]^LY--+29549+NH,Na[NH++]^-LY+("",36107)+NH)],true)||(JT[(N-=11)+LY-88]^=TT[JT[(N+=10)-LY--+97]]);else if(LY<79)LY>76&&(76<--LY&&(JT[N+LY++-78]<<=Na[NH++]-(++LY+3707+NH),!"")||JT[(NH++,--N+LY-76)]||(NH=Na[--NH]^LY--+32342+ ++NH),!false)||LY<73&&(71>LY&&(JT[++N-++LY+71]=Na[(JT[N++ + ++LY-73]=Na[NH++]-(1652+NH),NH++)]-(++LY+32837+NH),!"")||(71<LY||(JT[--N-++LY+("",71)]=xy(JT[++N-LY++ +("",71)],JT[--N- --LY+71])()(YA(Na[NH++]^-LY+52174+NH,Na[NH++]^LY+8564+NH)),\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064))&&(NH=JT[--N- --LY+71]),!false)||LY>74&&(75<LY&&(JT[++N-4]=TT[JT[N+ ++LY-81]]=JT[N--+LY-80]|JT[(N-=2)-LY+78],1)||(JT[(N-=LY--)+72]=JT[++N-LY+145]<JT[++N+LY-3][JT[(N+=71)+LY-73]]),!false)||74>LY&&(JT[(N-=--LY)+73]=Na[(JT[(N+=74)-2]=Na[NH++]-(-LY++ +39655+NH),NH++)]-(-LY--+61441+NH),!0)||(JT[N-- -3]=TT[JT[++N- --LY+70]]=JT[--N-LY+72][JT[N--+ ++LY-74]]);else if(87>LY++)(86<LY||((83>LY||(85>LY--&&(LY<83&&(Yi[Yi.\u006c\u0065\u006e\u0067\u0074\u0068-JT[--N-LY--+81]][JT[++N-LY+78]]=JT[(N-=3)+LY-79],true)||(NH=JT[(Ta=NH,N-- -LY--+("",82))]),{})||LY<85&&(JT[N+LY-("",86)]=JT[++N+--LY-86]!==TT[JT[(N-=2)+ ++LY-84]],[])||class xY extends TT[JT[N-- -LY+84]]{},void 0))&&(LY>81||((81<++LY||(JT[(JT[N]=[],N++ +("",1))]=JT[++N-LY+79],!{}))&&(JT[++N-LY--+("",80)]=JT[--N+LY-("",82)]<Na[NH++]-(62136+NH)),\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064))&&(JT[N-2]=LJ(JT[--N],[JT[N+LY-83]])()),![]))&&(JT[--N+LY++-90]=AY(JT[N++ +LY-- -("",90)],JT[N++ +--LY-90],JT[++N-LY++ +82],JT[(N-=5)-LY+89])(Na[NH++]-(- --LY+35488+NH)));else if(93<--LY)return PH.\u0061\u0073=0;else LY<90&&(88>LY&&(JT[--N-LY++ +87]=JT[N++-LY--+88]>Na[NH++]-(-LY++ +35886+NH),!0)||(88>--LY||(JT[++N-("",1)]=TT[Na[NH++]^("",38826)+NH],\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064))&&(JT[(N-=101)-LY--+188]=Na[(JT[(N+=103)-1]=null,NH++)]-(("",40876)+NH)),{})||(LY>91||(LY>90&&(JT[N-LY++ +90]=JT[N-LY--+91]===YA(Na[NH++]^60945+NH,Na[NH++]^++LY+60945+NH),!\u0075\u006e\u0064\u0065\u0066\u0069\u006e\u0065\u0064)||(JT[N--+ ++LY-94]=TT[JT[(N-=LY++)+89]]=JT[(N+=109)+LY++-111]-JT[(N-=19)+ ++LY-93]),null))&&(LY<93&&(JT[N-- -2]+=TT[JT[N-LY++ +92]],1)||(JT[++N-LY+92]=JT[N-++LY+92]));})(("",351));})([73,39587,61411,97,7987,54,39874,82,31,54580,3162,51,94,107,9689,31,54587,3163,51,94,94,107,9665,70,1679,32938,39,111,48415,52,48745,52,45872,52,45874,95,82,70,1706,32953,73,39665,61414,99,82,29,44,62,108,37756,26,62239,17,93,108,37763,29,89,38881,93,16,40091,61887,108,37769,29,83,31,54639,3286,107,9383,108,37776,33,103,108,37780,40,57412,5386,105,9,17,52,48520,108,37794,20,13696,17,22,108,37798,20,13736,17,108,37818,19,22383,82,108,37806,40,57442,5396,105,7,70,1763,33023,99,90,52,45838,17,89,38947,15,37546,111,48509,103,29,13,103,73,39721,61501,59,62,89,38932,69,89,38944,61,48,103,108,37883,107,10325,108,37853,13,103,108,37875,107,10317,108,37890,13,103,108,37872,107,10309,108,37910,13,103,31,54764,1791,52,46092,103,4,61603,89,38987,70,1936,33188,70,1941,33193,73,39881,61655,27,103,108,37900,107,11201,26,62302,17,62,108,37899,26,62308,17,62,108,37906,26,62314,17,93,108,37913,26,62326,17,62,108,37920,26,62329,17,93,108,37927,26,62333,17,52,47050,97,8204,2,93,70,1920,33143,25,21,55244,107,9219,108,37941,33,52,46205,73,39866,61615,70,1938,33160,25,108,37961,107,8852,73,39859,61626,25,5,107,8443,108,38001,52,45272,103,89,39088,62,89,39059,69,89,39102,108,38016,18,5,81,10,52,46269,89,39109,108,37993,11,5,107,10151,89,39116,108,37997,68,8713,1,40,22914,44653,96,26649,52052,61558,57,70,1957,33220,107,9572,108,38012,52,47067,66,108,38045,13,103,108,38053,107,10466,108,38056,6,103,108,38066,107,10522,108,38080,13,103,108,38064,107,10514,135,101,34379,32102,123,103,108,38082,107,10504,108,38095,52,45151,14,11978,52081,79,108,38059,26,62431,17,93,70,2016,33281,107,9378,73,39951,61737,33,103,61,21,54964,107,9623,108,38081,33,52,46876,108,38104,40,65339,2160,16,14023,17892,103,102,61797,52656,14872,52,46782,103,52,48173,70,2058,33318,97,8385,16,779,28676,103,73,40001,61784,59,101,34456,32175,103,70,2080,33337,59,107,11158,107,11028,107,10833,70,2104,33341,52,46015,40,58027,5227,89,39243,69,107,10955,26,62630,17,93,108,38149,26,62615,17,93,108,38156,26,62632,17,62,108,38163,26,62647,17,93,108,38170,26,62637,17,93,108,38177,26,62621,17,93,108,38184,26,62650,17,119,74,17,108,38216,107,10580,108,38306,52,48184,17,73,40086,61862,39,107,11228,89,39319,87,36349,62,65,28237,17,89,39343,80,62679,77,33444,107,9930,30,82,107,10589,107,10997,108,38246,52,45467,108,38266,88,41403,89,39356,81,70,2223,33443,99,28,82,29,108,38241,33,52,45820,60,56967,103,108,38258,43,62464,17,108,38255,20,14158,17,89,39380,89,39388,101,59816,4764,23,77,34367,89,39400,62,16,28710,1303,107,9166,6,78,4377,107,9157,108,38283,52,45071,44,36,61,73,40169,61957,99,70,2255,33503,25,70,2270,33507,99,2,93,29,103,89,39426,131,49244,77,34410,89,39436,106,56690,77,33646,107,8242,52,48960,89,39442,41,5554,77,33634,107,8248,52,45463,70,2295,33545,59,42,52,45973,108,38351,107,9139,70,2292,33567,33,52,46089,21,55841,21,55886,21,55844,108,38359,38,108,38370,85,107,11942,116,82,94,73,40250,62037,39,101,40133,26107,103,107,11955,28,52,46577,93,108,38385,26,62792,17,93,108,38392,26,62796,17,62,108,38399,26,62804,17,93,108,38406,26,62808,17,93,108,38413,26,62816,17,62,108,38420,26,62815,17,119,103,108,38455,43,62631,17,110,40770,16,8864,21889,16,11424,23430,103,108,38450,107,11565,108,38545,52,48918,82,88,41614,70,2429,33650,25,89,39573,73,40353,62114,99,8,54,40635,103,70,2420,33664,99,77,33633,89,39586,5,94,94,61,73,40372,62134,99,108,38484,6,70,2429,33683,25,69,5,103,61,21,53405,107,8812,108,38486,52,48732,62,70,2442,33700,107,9049,70,2446,33710,33,52,46767,70,2467,33717,39,108,38506,100,103,70,2476,103381,108,38528,132,103,73,40414,62184,99,89,39629,69,125,120,77,33510,73,40425,62195,99,89,39670,69,5,70,2497,33785,97,8817,89,39648,128,17,129,25364,103,73,40436,62226,59,73,40438,62219,25,128,17,4,62280,70,2532,33769,99,89,39691,70,2529,33775,25,48,103,70,2530,33788,59,89,39698,108,38593,92,108,38588,46,136,17,108,38588,43,62801,17,89,39713,108,38601,45,77,33161,61,70,2590,33808,25,89,39726,61,70,2592,33815,25,108,38609,6,34,89,39738,15,38339,111,49301,103,52,47956,88,41808,70,2601,33834,99,61,73,40545,62297,99,108,38633,13,73,40531,62304,99,8,103,108,38661,20,14547,17,89,39752,108,38657,45,77,33154,61,73,40568,62323,25,89,39778,61,70,2641,33872,99,89,39778,108,38687,12,108,38690,132,108,38675,132,108,38687,132,56,89,39790,15,38423,111,49369,103,52,48075,73,40588,62358,99,89,39835,61,73,40587,62365,25,108,38706,13,122,5,5,52,47487,32,107,8760,52,48245,89,39839,15,38438,111,49402,103,52,45479,107,8213,52,45468,89,39842,15,38459,111,49415,103,52,45464,70,2726,33946,73,40660,62407,25,108,38750,52,48234,70,2737,33958,70,2740,33961,25,111,49438,82,29,97,9038,123,103,73,40683,62431,70,2755,33976,99,29,5,94,108,38773,5,94,94,5,107,10213,5,55,61,21,57036,107,9042,108,38788,33,52,45809,31,55665,4594,107,8356,108,38797,33,52,47449,83,89,39933,93,16,30756,3358,53,23725,5,44,107,9070,40,6337,58767,71,47440,20658,91,5626,5469,3,5,59,108,38839,132,95,82,4,62562,73,40748,62503,25,73,40750,62507,99,123,103,88,42029,73,40760,62515,99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typeof \u0067\u006c\u006f\u0062\u0061\u006c\u0054\u0068\u0069\u0073==="undefined"&&(\u0067\u006c\u006f\u0062\u0061\u006c\u0054\u0068\u0069\u0073=typeof \u0077\u0069\u006e\u0064\u006f\u0077==="undefined"?typeof \u0067\u006c\u006f\u0062\u0061\u006c!=="undefined"?\u0067\u006c\u006f\u0062\u0061\u006c:this:\u0077\u0069\u006e\u0064\u006f\u0077),typeof \u0065\u0078\u0070\u006f\u0072\u0074\u0073==="undefined"||(\u0067\u006c\u006f\u0062\u0061\u006c\u0054\u0068\u0069\u0073.\u0065\u0078\u0070\u006f\u0072\u0074\u0073=\u0065\u0078\u0070\u006f\u0072\u0074\u0073),typeof \u0072\u0065\u0071\u0075\u0069\u0072\u0065==="undefined"||(\u0067\u006c\u006f\u0062\u0061\u006c\u0054\u0068\u0069\u0073.\u0072\u0065\u0071\u0075\u0069\u0072\u0065=\u0072\u0065\u0071\u0075\u0069\u0072\u0065),typeof \u006d\u006f\u0064\u0075\u006c\u0065==="undefined"||(\u0067\u006c\u006f\u0062\u0061\u006c\u0054\u0068\u0069\u0073.\u006d\u006f\u0064\u0075\u006c\u0065=\u006d\u006f\u0064\u0075\u006c\u0065),typeof 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;
其他高級混淆功能介紹：喵喵盾JS代碼混淆加固
b站：https://www.bilibili.com/video/BV1XZpEexEbu/
在線JSVMP混淆加固：https://m.ldvmp.com
閱讀原文：原文鏈接
該文章在 2024/12/30 15:48:08 編輯過
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