I am trying to reverse engineer a website which has a function for decoding an encoded string. The function gets called in one of the inlined scripts:  <script type='text/javascript'>     var str = dec("BHUJLOUBHUNK"); </scri...

Here is one example:  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){retur...

I am trying to edit a Greasemonkey/jQuery script. I can't post the link here. The code is obfuscated and compressed with minify. It starts like this:  var _0x21e9 = ["\x67\x65\x74\x4D\x6F\x6E\x74\x68", "\x67\x65\x74\x55\x54\x43\x44\x6...

I have a piece of nasty javascript that I would like to de-obfuscate.  I know that I can spin up a VM and behold the malware in all of its glory, but I am more interested in not having it run, but viewing it in a non-obfuscated form.  If it needs to...

Can source maps help to deobfuscate the code that was previously minified with Closure/Uglifyjs?  Are there real obstacles in how source maps work, or is it not there just because nobody cared about it? I'm not quite sure if it may work in a sim...

I'm attempting to decode the following text with hexadecimal characters prefixing by "Zq".  I've tried to decode this from base 16, 32, 64 whithout success. It's an encoded instruction from a JavaScript source code.  I would like...

I have searched Google for a converter but I did not find anything. Is there any tools available or I must make one to decode my obfuscated JavaScript code ?  I presume there is such a tool but I'm not searching Google with the right keywords. Th...

I am reverse engineering one magical script. I have an uglified source code and source map generated by uglifyjs.  Does anybody know any straightforward way how to achieve at least partly readable source code from that? I have found some obscure ways...

Given the following script:    É = -~-~[], ó = -~É, Ë = É << É, þ = Ë + ~[]; Ì = (ó - ó)[Û = ('' + {})[É + ó] + ('' + {})[ó - É] + ([].ó + '')[ó - É] + (!!'' + '')[ó] + ({} + ''...

I had my precious javascript obfuscated here. I THOUGHT I had saved a local version with my original code, but it turns out there is ONE line that is obfuscated on the local version.  I realize it completely destroys the point of obfuscating somethi...