{"id":4007,"date":"2022-08-10T22:07:33","date_gmt":"2022-08-10T14:07:33","guid":{"rendered":"https:\/\/blog.coderfan.org\/?p=4007"},"modified":"2022-08-10T22:17:35","modified_gmt":"2022-08-10T14:17:35","slug":"how-to-use-javascript-obfuscator-to-confuse-our-javascript-code","status":"publish","type":"post","link":"https:\/\/blog.coderfan.org\/en\/how-to-use-javascript-obfuscator-to-confuse-our-javascript-code.html","title":{"rendered":"\u4f7f\u7528obfuscator\u5bf9\u524d\u7aefJS\u4ee3\u7801\u52a0\u5bc6\u6df7\u6dc6"},"content":{"rendered":"<div class='booster-block booster-read-block'>\n                <div class=\"twp-read-time\">\n                \t<i class=\"booster-icon twp-clock\"><\/i> <span>Read Time:<\/span>1 Minute, 27 Second                <\/div>\n\n            <\/div>\n<p>\u6700\u8fd1\u5728\u505a\u4e00\u4e2aWeb\u524d\u7aef\u7684\u5c0f\u9879\u76ee\uff0c\u5386\u7ecf\u574e\u5777\u603b\u7b97\u662f\u505a\u5b8c\u4e86\uff0c\u505a\u5b8c\u540e\u6211\u5c31\u5f00\u59cb\u60f3\uff1a\u6709\u6ca1\u6709\u529e\u6cd5\u53ef\u4ee5\u5bf9\u6211\u4eec\u7684\u524d\u7aef\u4ee3\u7801\u8fdb\u884c\u52a0\u5bc6\u6216\u8005\u8bf4\u6df7\u6dc6\uff0c\u4ee5\u4fbf\u8ba9\u81ea\u5df1\u7684\u52b3\u52a8\u6210\u679c\u4e0d\u90a3\u4e48\u5bb9\u6613\u88ab\u4eba\u527d\u7a83\u5462\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u5e26\u7740\u8fd9\u6837\u7684\u7591\u95ee\uff0c\u6211\u641c\u7d22\u4e86\u4e00\u4e0b\u3002\u7b80\u5355\u6765\u8bf4\uff0c\u524d\u7aef\u6bd4\u8f83\u6d41\u884c\u7684\u52a0\u5bc6\u6df7\u6dc6\u65b9\u5f0f\u5305\u542b\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u4ee3\u7801\u538b\u7f29\uff1a\u53bb\u9664\u7a7a\u683c\u3001\u6362\u884c\u7b49<br>\u4ee3\u7801\u52a0\u5bc6\uff1aeval\u3001emscripten\u3001WebAssembly\u7b49<br>\u4ee3\u7801\u6df7\u6dc6\uff1a\u53d8\u91cf\u6df7\u6dc6\u3001\u5e38\u91cf\u6df7\u6dc6\u3001\u63a7\u5236\u6d41\u6241\u5e73\u5316\u3001\u8c03\u8bd5\u4fdd\u62a4\u7b49<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u6709\u5f88\u591a\u5de5\u5177\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u7c7b\u529f\u80fd\u3002\u8fd9\u91cc\u6211\u9009\u62e9\u4e86\u76ee\u524d\u6bd4\u8f83\u4e3b\u6d41\u7684\u52a0\u5bc6\u6df7\u6dc6\u5de5\u5177\uff0c\u5373\u901a\u8fc7<strong>javascript-obfuscator<\/strong>\u6765\u5b9e\u73b0\u52a0\u5bc6\u6df7\u6dc6\u3002<strong><a href=\"https:\/\/github.com\/javascript-obfuscator\/javascript-obfuscator\" class=\"ek-link\">javascript-obfuscator<\/a><\/strong>\u672c\u8eab\u662f\u4e00\u4e2a\u5f00\u6e90\u5de5\u5177\uff0c\u652f\u6301\u591a\u79cd\u65b9\u5f0f\u6765\u5bf9\u4f60\u7684\u524d\u7aef\u4ee3\u7801\u8fdb\u884c\u52a0\u5bc6\u6df7\u6dc6\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528Yarn\u6216\u8005Npm\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u4f7f\u7528yarn\n$ yarn add --dev javascript-obfuscator\n#\u4f7f\u7528npm\n$ npm install --save-dev javascript-obfuscator<\/code><\/pre>\n\n\n\n<p>\u4f7f\u7528CDN:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;script src=\"https:\/\/cdn.jsdelivr.net\/npm\/javascript-obfuscator\/dist\/index.browser.js\"&gt;&lt;\/script&gt;<\/code><\/pre>\n\n\n\n<p>Node\u6e90\u7801\u5f15\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;script src=\".\/node_modules\/javascript-obfuscator\/dist\/index.browser.js\"&gt;&lt;\/script&gt;<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u7531\u4e8e\u6211\u7684\u4ee3\u7801\u662f\u5728Windows\u73af\u5883\u4e0b\uff0c\u5e76\u4e14\u6211\u60f3\u5728\u6253\u5305\u524d\u5b9e\u73b0\u52a0\u5bc6\u6df7\u6dc6\uff0c\u6240\u4ee5\u6211\u91c7\u7528\u4e86\u7b2c\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u6b65\uff1a\u5b89\u88c5NPM<\/p>\n\n\n\n<p class=\"has-text-align-justify\">NPM\u662f\u968f\u7740node.js\u4e00\u8d77\u5b89\u88c5\u7684\u5305\u7ba1\u7406\u5de5\u5177\uff0c\u7c7b\u4f3c\u4e8eLinux\u53d1\u884c\u7248\u4e2d\u7684apt\/yum\u7b49\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4eba\u4eec\u65b9\u4fbf\u5feb\u6377\u5730\u5b89\u88c5JS\u5305\u3002\u7531\u4e8e\u73b0\u5728node.js\u5df2\u7ecf\u96c6\u6210\u4e86npm\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5b89\u88c5node.js\u6765\u83b7\u5f97npm\u7684\u8fd0\u884c\u73af\u5883\uff0c\u8fd9\u91cc\u6211\u4eec\u8fdb\u5165<a href=\"https:\/\/nodejs.org\/zh-cn\/download\/\" class=\"ek-link\">\u5b98\u7f51<\/a>\u4e0b\u8f7dnode.js\uff0c\u9009\u62e9Windows\u7248\u672c\u540e\u4e0b\u8f7d\u5b89\u88c5\u5373\u53ef\u3002<\/p>\n\n\n\n<p>\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u56fd\uff0cnpm\u4f1a\u81ea\u52a8\u4e0b\u8f7d\u5b89\u88c5\u4e00\u4e9b\u5fc5\u8981\u7684\u7ec4\u4ef6\u5e76\u8bbe\u7f6e\u597d\u73af\u5883\u53d8\u91cf\u3002\u5728\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u8fdb\u5165cmd\uff0c\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u67e5\u770bnpm\u662f\u5426\u51c6\u5907\u5c31\u7eea\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u4f7f\u7528npm -v \u67e5\u770bnpm\u7248\u672c\u4fe1\u606f\nC:\\Users\\FranzKafka&gt;npm -v\nnpm WARN config global `--global`, `--local` are deprecated. Use `--location=global` instead.\n8.11.0<\/code><\/pre>\n\n\n\n<p>\u8fd9\u91cc\u6211\u7684\u7248\u672c\u4e3a8.11.0<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u6b65\uff1a\u5b89\u88c5<strong>obfuscator&nbsp;<\/strong><\/p>\n\n\n\n<p>\u6211\u4eec\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>npm install javascript-obfuscator -g<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u5b89\u88c5\u5b8c\u6210\u540e\uff0c<strong> javascript-obfuscator <\/strong>\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7684\u547d\u4ee4\u6765\u4f7f\u7528\uff0c\u6211\u4eec\u68c0\u67e5\u4e00\u4e0b\u547d\u4ee4\u662f\u5426\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#\u67e5\u770b\u7248\u672c\u4fe1\u606f\nC:\\Users\\FranzKafka&gt;javascript-obfuscator -v\n4.0.0_2022-02-14T16:47:01.077Z<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u8f93\u51fa\u662f\u6b63\u5e38\u7684\uff0c\u8868\u660e <strong> javascript-obfuscator<\/strong> \u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528,\u63a5\u4e0b\u6765\u6211\u4eec\u8fdb\u884c\u52a0\u5bc6\u6df7\u6dc6\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e09\u6b65\uff1a\u52a0\u5bc6\u6df7\u6dc6<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u6700\u7b80\u5355\u7684\u7528\u6cd5\u662f\uff0c\u76f4\u63a5\u5728\u547d\u4ee4\u540e\u52a0\u4e0a\u6211\u4eec\u7684JS\u6e90\u4ee3\u7801\u540d\uff0c\u5373\u53ef\u5b8c\u6210\u52a0\u5bc6\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>C:\\Users\\FranzKafka&gt;javascript-obfuscator xxxx.js<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u6700\u7ec8\u4f1a\u5f97\u5230xxxx-obfuscated.js\u8fd9\u6837\u7684\u52a0\u5bc6\u6df7\u6dc6\u6587\u4ef6\u3002\u8fd9\u91cc\u7ed9\u5927\u5bb6\u653e\u4e00\u4e2a\u5bf9\u6bd4\u56fe\uff1a<\/p>\n\n\n\n<p><em><strong>\u52a0\u5bc6\u4e4b\u524d\uff1a<\/strong><\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/image-1.png\" alt=\"\" class=\"wp-image-4008\" width=\"664\" height=\"613\" srcset=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/image-1.png 620w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/image-1-300x277.png 300w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/image-1-13x12.png 13w\" sizes=\"auto, (max-width: 664px) 100vw, 664px\" \/><\/figure>\n\n\n\n<p> <em><strong>\u52a0\u5bc6\u4e4b\u540e\uff1a<\/strong><\/em> <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"844\" height=\"346\" src=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/image-2.png\" alt=\"\" class=\"wp-image-4009\" srcset=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/image-2.png 844w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/image-2-300x123.png 300w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/image-2-768x315.png 768w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/image-2-18x7.png 18w\" sizes=\"auto, (max-width: 844px) 100vw, 844px\" \/><\/figure>\n\n\n\n<p>\u8fd9\u6837\u4e00\u6765\uff0c\u522b\u4eba\u5c31\u5f88\u96be\u770b\u5f97\u61c2\u4f60\u7684\u6e90\u7801\u4e86\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u5728 <strong>javascript-obfuscator<\/strong> \u4f7f\u7528\u65f6\uff0c\u4f5c\u8005\u63d0\u4f9b\u4e86\u4e00\u4e9b\u914d\u7f6e\u9009\u9879\u53ef\u4ee5\u6ee1\u8db3\u4e2a\u4eba\u5dee\u5f02\u5316\u7684\u9700\u6c42\uff0c\u8fd9\u91cc\u7b80\u5355\u5217\u4e3e\u4e00\u4e9b\u3002<\/p>\n\n\n\n<p><strong>controlFlowFlattening<\/strong>\uff1a\u7528\u4e8e\u63a7\u5236\u4ee3\u7801\u63a7\u5236\u6d41\u5c55\u5e73\uff0c\u9ed8\u8ba4\u4e3afalse\u3002\u8bbe\u7f6e\u4e3atrue\u540e\u4f1a\u4f7f\u4ee3\u7801\u589e\u5927\u4e14\u53d8\u5f97\u96be\u4ee5\u7406\u89e3\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\"><strong>controlFlowFlatteningThreshold<\/strong>\uff1a\u4e0e <strong>controlFlowFlattening<\/strong> \u914d\u5408\uff0c\u4ece\u800c\u63a7\u5236\u6982\u7387\uff0c\u8fd9\u4e00\u9879\u8bbe\u7f6e\u5bf9\u4e8e\u5927\u91cf\u7684\u4ee3\u7801\u5f71\u54cd\u662f\u6bd4\u8f83\u5927\u7684\uff0c\u5982\u679c\u4f60\u9700\u8981\u6df7\u6dc6\u5927\u91cf\u7684\u4ee3\u7801\u4e14\u5728\u610f\u54cd\u5e94\u901f\u5ea6\uff0c\u614e\u91cd\u8bbe\u5b9a\u8be5\u914d\u7f6e\u9879\u3002\u8be5\u914d\u7f6e\u9879\u7684\u53d6\u503c\u533a\u95f4\u4e3a0-1\uff0c0\u7b49\u540c\u4e8e <strong>controlFlowFlattening<\/strong> \u4e3afalse\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\"><strong>deadCodeInjection<\/strong>\uff1a\u968f\u673a\u5e9f\u4ee3\u7801\u6ce8\u5165\u9009\u9879\uff0c\u9ed8\u8ba4\u4e3afalse\uff0c\u5982\u8bbe\u7f6e\u4e3atrue\uff0c\u5c06\u4f1a\u6dfb\u52a0\u968f\u673a\u5e9f\u4ee3\u7801\u81f3\u6e90\u7801\u5185\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\"><strong>deadCodeInjectionThreshold<\/strong>\uff1a\u968f\u673a\u5e9f\u4ee3\u7801\u7684\u6ce8\u5165\u6bd4\u4f8b\uff0c\u53d6\u503c0-1\uff0c\u8bbe\u7f6e\u4e3a0\u7b49\u540c\u4e8e <strong>deadCodeInjection<\/strong> \u4e3afalse\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\"><strong>stringArray<\/strong>\uff1a\u5220\u9664\u5b57\u7b26\u4e32\u6587\u5b57\u5e76\u5c06\u5176\u653e\u7f6e\u5728\u7279\u6b8a\u6570\u7ec4\u4e2d\uff0c\u4f8b\u5982\uff0cvar m=\u201cHello World\u201d\u4e2d\u7684\u5b57\u7b26\u4e32\u201cHello World\u201d\uff0c\u5c06\u88ab\u66ff\u6362\u4e3avar m=x12c456[0x1]\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u8fd9\u4e9b\u914d\u7f6e\u9879\u6211\u4eec\u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u4e2d\u5355\u72ec\u4f7f\u7528\uff0c\u4e5f\u53ef\u4ee5\u5c06\u5176\u96c6\u4e2d\u5199\u5165\u4e00\u4e2aconfig.json\u6587\u4ef6\u5185\uff0c\u901a\u8fc7&#8211;config\u53c2\u6570\u6765\u8bfb\u53d6\u8be5json\u6587\u4ef6\u4ece\u800c\u5b9e\u73b0\u6df7\u6dc6\u52a0\u5bc6\u3002<\/p>\n\n\n\n<p>\u5982\u4e0b\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#config.json\n{\n    \"compact\": true,\n    \"controlFlowFlattening\": true,\n    \"controlFlowFlatteningThreshold\": 0.75,\n    \"deadCodeInjection\": true,\n    \"deadCodeInjectionThreshold\": 0.4,\n    \"debugProtection\": false,\n    \"debugProtectionInterval\": false,\n    \"disableConsoleOutput\": true,\n    \"identifierNamesGenerator\": \"hexadecimal\",\n    \"log\": false,\n    \"renameGlobals\": false,\n    \"rotateStringArray\": true,\n    \"selfDefending\": true,\n    \"stringArray\": true,\n    \"stringArrayEncoding\": \"base64\",\n    \"stringArrayThreshold\": 0.75,\n    \"unicodeEscapeSequence\": false\n}<\/code><\/pre>\n\n\n\n<p>\u4f7f\u7528\u8be5\u914d\u7f6e\u6587\u4ef6\u5bf9xxxx.js\u8fdb\u884c\u52a0\u5bc6\u6df7\u6dc6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>javascript-obfuscator a.js --config config.json<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u4e00\u65e6\u5bf9\u6e90\u7801\u6587\u4ef6\u8fdb\u884c\u52a0\u5bc6\u6df7\u6dc6\u540e\uff0c\u5c31\u65e0\u6cd5\u9006\u5411\u6062\u590d\u6e90\u7801\u6587\u4ef6\u4e86\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u4fdd\u8bc1\u6211\u4eec\u7684\u6e90\u7801\u5b89\u5168\uff0c\u6700\u597d\u5728\u64cd\u4f5c\u524d\u8fdb\u884c\u5907\u4efd\u3002<\/p>\n        <div class=\"booster-block booster-reactions-block\">\n            <div class=\"twp-reactions-icons\">\n                \n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-1\" post-id=\"4007\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/happy.svg\" alt=\"Happy\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Happy                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                        \n                                                <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-2\" post-id=\"4007\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/sad.svg\" alt=\"Sad\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Sad                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-3\" post-id=\"4007\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/excited.svg\" alt=\"Excited\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Excited                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-6\" post-id=\"4007\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/sleepy.svg\" alt=\"Sleepy\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                    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