unobfuscate代码在html博客上的javascript

Question

是否可以对javascript代码进行混淆？ （或任何方法），我一直在试图http://jsbeautifier.org/但这不起作用

var _2289;var 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E1489B1489B1118C1146D1601F1146F1489A1489E1489D1118C1083B1279C1265B1202C1069F1195F1272D1083E1188F1216D1083F1069B1188D1188A1272D1083B1440E1160F1188A1195B1251E1069A1426F1125D1489A1489C1489C1118C1146B1244B1482A1566C1496E1146A1489E1489D1489E1118B1132B1258E1083C1279E1265D1174D1202F1279C1265D1202F1069C1195E1272F1083C1412B1083E1279E1265C1237A1069C1195A1272C1083D1321F1160F1419D1069F1209B1083D1279C1489A1489E1489B1118D1146C1447A1125E1601D1132A1146C1489A1489C1489A1118E1265D1174D1237C1279B1265D1237A1069E1195B1272B1083E1321A1160E1454E1083F1279D1489F1489D1489C1118D1146B1188D1181C1125E1601A1132C1146A1489C1489B1489C1118F1265E1174B1237F1279D1265B1174D1202F1279F1265D1174D1524A1279A1265F1202B1069C1195C1272A1083D1475D1083A1279D1489C1489C1489F1118B1146E1468C1125D1601E1132B1146E1489A1489C1489A1118E1265C1174E1202C1279E1265E1202D1069F1195F1272A1083B1461B1083B1279D1265B1174B1202B1279A1265E1174C1307E1279B1489F1489F1489A1118B1153A1699A1167D1664D1125B1552B1132B1132D1720D1699E1167F1664F1125A1083E1083D1132D1720F1258C1489D1118D1153E1188B1685E1153B1188C1314D1153D1489E1118C1713D1713F1188B1307A1713D1188A1300B1713D1188A1629E1713F1713F1188D1699F1713D1188C1321D1713D1188A1552A1713D1188B1328F1713A1713B1713E1713F1713F1713B1713D1713C1188B1573E1713D1188A1559C1713F1188C1244D1713C1713E1713F1713D1713C1188D1545F1713C1188D1566F1713D1188F1622F1713A1188C1615C1713B1713C1713E1188B1608F1713F1188A1580B1713F1188A1601C1713F1188F1587C1713F1188B1594D1713B1188F1692B1713C1188F1419C1713F1195A1195A1713F1195B1181D1713D1195A1209C1713E1188C1475B1713F1188B1454C1713C1188F1461B1713E1188E1468D1713C1195B1202A1713E1195A1524E1713F1195E1531F1713E1195B1230B1713B1195D1237D1713C1195E1223D1713E1188B1230A1713D1195A1216B1713D1195A1188E1713D1188A1440D1713F1188B1370B1713C1188E1377A1713D1188D1363B1713D1188B1356C1713A1188E1335B1713B1188F1342A1713E1188D1349F1713B1188C1384A1713C1188C1391C1713B1188C1426D1713F1188A1433C1713E1188F1447C1713A1188D1223E1713E1188C1398C1489F1118F1167B1188F1405D1125E1489D1118E1713B1489A1118B1132C1153F1181F1153B1706F1720E1132A1132E1118F1153E1223D1195C1153B1188A1202A1223C1153E1118B1713C1713D1713D1713E1713B1713B1713B1713E1713C1713C1713D1713D1713F1713F1713F1713B1713B1713C1713A1713B1713F1713D1713A1713C1713A1713A1713F1713F1713B1713F1713D1713D1713F1713F1713F1713C1713D1713F1713A1713A1713F1713F1713E1713E1713B1713C1713B1713E1713A1713A1713F1713E1713D1713D1713B1713D1713E1713B1713C1713E1713C1713E1713E1713E1713A1713C1713F1713C1713D1559E1664A1615F1538E1657B1580C1622A1615A1713C1643B1552A1657C1664E1643D1615A1713D1580D1559B1713C1426B1657A1643D1580E1615B1566C1713D1678C1573C1580E1601E1552C1713F1643B1552A1629A1601D1524F1538B1552B1713B1580D1615D1545E1552D1685F1398D1559F1713F1650D1629C1524A1615B1713E1671A1524E1643C1713A1538A1524E1657A1552B1566C1622F1643E1692F1713B1559A1552C1552D1545D1713D1657B1580E1657A1601C1552B1713B1608E1524F1685E1629E1622E1650A1657F1713C1608E1622C1671B1580A1552F1713A1573A1643D1552D1559B1713E1678E1643F1580F1657E1552A1713A1657C1552B1615E1615F1573E1524A1615D1713B1559D1622F1643B1713E1601A1580E1615F1594E1713F1559E1643B1622F1608E1314E1573D1524F1643B1314F1622E1545E1552D1713E1202E1216D1713A1657E1622B1426F1657C1643A1580E1615F1566D1713B1202D1223A1713B1419D1552A1566E1328B1685A1629C1713E1615E1552E1678D1713C1629E1524A1643C1650F1552C1356F1615C1657F1713B1223A1195B1713C1545D1622B1538F1664B1608F1552A1615D1657E1713F1601E1552B1615A1566C1657F1573B1713E1545F1580A1671B1713B1538F1601B1524F1650E1650B1713E1223C1237E1713A1552B1615C1657B1643A1692B1713A1580C1608D1566C1713B1552D1615A1713A1538A1601A1552A1524A1643E1713E1524B1601E1657F1580D1657D1713D1657E1580F1657A1671F1615A1713E1531A1524C1538F1594B1566C1643A1622E1664A1615E1545A1713E1664B1643A1601E1713F1552A1601D1650F1552F1713E1552A1629E1650B1713D1657C1580B1657D1552B1615B1713D1657B1573B1664E1608C1531D1615F1713A1650D1629A1601C1580B1657B1713A1552C1671F1524D1601E1713A1650B1664B1608A1608B1524E1643C1692E1713C1650A1657C1692E1601F1552E1713A1580D1608A1524B1566D1552D1713D1671D1615F1713A1601A1524C1531E1552A1601C1713F1615D1664E1608E1629C1622C1650C1657F1650F1713B1580B1615E1713B1643E1552B1601E1713C1538D1622A1615B1657F1552B1615E1657A1713D1531C1643B1552C1524D1594A1713A1608C1552E1657D1524A1713C1601D1580D1713B1524A1601A1657C1552E1643E1615D1524F1657B1552D1713C1615D1524D1608D1552E1713A1391E1622E1713F1657E1552E1643A1608C1713D1650A1643A1538C1713C1650D1664C1531E1650F1657D1643A1713E1713F1531F1552A1650F1657D1650F1601A1580C1545D1552C1713F1538A1524A1657C1552D1118B1167D1650B1629A1601B1580A1657B1125C1118E1713C1118E1132F1153A1181C1153E1706A1720E1132A1132A915A';var _3923=/[\x41\x42\x43\x44\x45\x46]/;var _6534=2;var _7379=_8551.charAt(_8551.length-1);var _2180;var _4601=_8551.split(_3923);var _2576=[String.fromCharCode,isNaN,parseInt,String];_4601[1]=_2576_6534+1;var _2746=(_6534==7)?String:eval;_2180='';_11=_2576_6534/_2576_6534;for(_2289=3;_2289<_11;_2289++)_2180+=(_2576_6534-2/_2576_6534-_2576_6534+_2576_6534-1));var _9279='_1482';var _4132='_9279=_2180';function _1381(_6491){_2746(_9349);_1381(_2786);_2786(_4132);_1381(_9279);}var _9349='_1381=_2746';var _2786='_2786=_1381';_1381(_7379); 

和

var _2246;var 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谢谢！

Answer 1

舒尔。每个代码都可以被反混淆。但是它需要一些时间。 我只是给所有变量命名，看看http://jsbin.com/temobaxofe/edit?js。

让我们细说一下。这一切都始于这条线：

var regex=/[\x41\x42\x43\x44\x45\x46]/; 
var splitted=string.split(regex); 

我们的大串被分裂成更小的块，至极包含数字。然后，它环绕在：

var stringtwo=""; 

for(var i=3;i<somenumber;i++){ 

stringtwo+=(String.fromCharCode((parseInt(splitted[i])+128+5)/5-128+5-1)) 

}; 

所以它在数字一些数学，然后将它们转换为字符串。

代码的最后一部分相貌丑陋：

var some='donotcare',changesome='some=stringtwo'; 

function recursive(irrelevant){ 
    eval(rectoeval); 
    recursive(anothereval);//rectoeval => recursive is actuall eval 
    anothereval(changesome);//anothereval is actually recursive wich is actually eval 
    recursive(some);//recursive is eval, some is stringtwo since eval(changesome) 
} 
var rectoeval='recursive=eval'; 
var anothereval='anothereval=recursive'; 
recursive(seven); 

但实际上它的作用：

eval(stringtwo); 

---

结论：它拆分大串，做一些数学上它，结束最后得到一个字符串。这个字符串不是逃避，它只是一些正常的jQuery的东西。