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JavaScript 混淆及反混淆代码工具( 二 )

JavaScript


JavaScript 混淆及反混淆代码工具

文章插图
1690199596_64be662c9cd2a25a95a3a.png!small?1690199597180
现在 ， 我们可以粘贴代码并单击obfuscate：
var _0x1a54f6=_0x5936;function _0x5271(){var _0x3bb17a=['otKWodqYnNfIBgPSua','mtb0vNnJt3q','mtKZnfHYt3vnrW','otH1tMPpBNC','mtG2og9jufLKEa','mtaXyKvOD2TP','mJm1oty1ouzyCwLnzW','ntmYmtu5mLr0rKLYwq','Bg9N','mZe2mdC3m2jgvLjizW','ntG3oduWwwrzqwD4','mtaWBwvpzgjc'];_0x5271=function(){return _0x3bb17a;};return _0x5271();}function _0x5936(_0x25a7d9,_0x1f51f9){var _0x5271e3=_0x5271();return _0x5936=function(_0x593653,_0x103659){_0x593653=_0x593653-0x1e3;var _0x38866e=_0x5271e3[_0x593653];if(_0x5936['CXFyxS']===undefined){var _0x55d0c5=function(_0x417d06){var _0x32ee69='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/=';var _0x49cddd='',_0x2f60dc='';for(var _0x22561b=0x0,_0x45c65d,_0x24071e,_0x4b6047=0x0;_0x24071e=_0x417d06['charAt'](_0x4b6047++);~_0x24071e&&(_0x45c65d=_0x22561b%0x4?_0x45c65d*0x40+_0x24071e:_0x24071e,_0x22561b++%0x4)?_0x49cddd+=String['fromCharCode'](0xff&_0x45c65d>>(-0x2*_0x22561b&0x6)):0x0){_0x24071e=_0x32ee69['indexOf'](_0x24071e);}for(var _0x450e46=0x0,_0x71cdac=_0x49cddd['length'];_0x450e46<_0x71cdac;_0x450e46++){_0x2f60dc+='%'+('00'+_0x49cddd['charCodeAt'](_0x450e46)['toString'](0x10))['slice'](-0x2);}return decodeURIComponent(_0x2f60dc);};_0x5936['trxXbR']=_0x55d0c5,_0x25a7d9=arguments,_0x5936['CXFyxS']=!![];}var _0xd2632a=_0x5271e3[0x0],_0x376564=_0x593653+_0xd2632a,_0x6361f9=_0x25a7d9[_0x376564];return!_0x6361f9?(_0x38866e=_0x5936['trxXbR'](_0x38866e),_0x25a7d9[_0x376564]=_0x38866e):_0x38866e=_0x6361f9,_0x38866e;},_0x5936(_0x25a7d9,_0x1f51f9);}(function(_0x4625fd,_0x16a961){var _0x1627a6=_0x5936,_0x5197f8=_0x4625fd();while(!![]){try{var _0x40e3f4=parseInt(_0x1627a6(0x1e7))/0x1*(parseInt(_0x1627a6(0x1e4))/0x2)+parseInt(_0x1627a6(0x1e8))/0x3+-parseInt(_0x1627a6(0x1e6))/0x4*(parseInt(_0x1627a6(0x1ed))/0x5)+-parseInt(_0x1627a6(0x1ec))/0x6*(parseInt(_0x1627a6(0x1e5))/0x7)+parseInt(_0x1627a6(0x1e9))/0x8+-parseInt(_0x1627a6(0x1eb))/0x9+parseInt(_0x1627a6(0x1e3))/0xa*(parseInt(_0x1627a6(0x1ee))/0xb);if(_0x40e3f4===_0x16a961)break;else _0x5197f8['push'](_0x5197f8['shift']());}catch(_0x5f50ba){_0x5197f8['push'](_0x5197f8['shift']());}}}(_0x5271,0xaf4ae),console[_0x1a54f6(0x1ea)]('Hellox20JavaScriptx20Deobfuscation'));
  • 1.
这段代码显然更加混乱 ， 我们看不到原始代码的任何残余 。我们现在可以尝试在https://jsconsole.com中运行它 ， 以验证它是否仍然执行其原始功能 。尝试使用https://obfuscator.io中的混淆设置来生成更多混淆代码 ， 然后尝试在https://jsconsole.com中重新运行它以验证它仍然执行其原始功能 。
现在我们应该清楚地了解代码混淆是如何工作的 。代码混淆工具仍然有很多变体 ， 每种工具对代码的混淆方式都不同 。
#x02 JSFuck我们可以尝试在JSF中使用相同的工具来混淆代码 ， 然后重新运行它 。我们会注意到 ， 代码可能需要一些时间才能运行 ， 这表明代码混淆如何影响性能 ， 如前所述 。
明文代码：
console.log('Hello JavaScript Deobfuscation');
  • 1.
混淆代码：
[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]((!![]+[])[+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+([][[]]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+!+[]]+(+[![]]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+!+[]]]+(!![]+[])[!+[]+!+[]+!+[]]+(+(!+[]+!+[]+!+[]+[+!+[]]))[(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([]+[])[([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]][([][[]]+[])[+!+[]]+(![]+[])[+!+[]]+((+[])[([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]+[])[+!+[]+[+!+[]]]+(!![]+[])[!+[]+!+[]+!+[]]]](!+[]+!+[]+!+[]+[!+[]+!+[]])+(![]+[])[+!+[]]+(![]+[])[!+[]+!+[]])()([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]((!![]+[])[+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+([][[]]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+!+[]]+([]+[])[(![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(!![]+[])[+[]]+([][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]()[+!+[]+[!+[]+!+[]]]+((!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+(![]+[])[!+[]+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(+(+!+[]+[+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+[!+[]+!+[]]+[+[]])+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]]+[+[]]+(!![]+[])[+[]]+[!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[+!+[]]+[+!+[]]+[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[!+[]+!+[]+!+[]+!+[]]+[+[]]+(!![]+[])[+[]]+[+!+[]]+[+!+[]]+[!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]]+[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+[+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[!+[]+!+[]+!+[]+!+[]]+[+[]]+(!![]+[])[+[]]+[+!+[]]+[+[]]+[!+[]+!+[]+!+[]+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]+!+[]+!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]]+(![]+[])[+[]]+([][[]]+[])[+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+[+!+[]]+[!+[]+!+[]+!+[]+!+[]]+[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]+(!![]+[])[+[]]+[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