SOJSON.V5解密，sojsonv5解密，sojson v5加密的JS解密

国庆节没什么事情干，研究研究JS解密，好多站都是用这个sojson.com中的sojson.v5的加密工具加密的，所以尝试了下对sojson.v5进行破解。
这个所谓做牛逼加密的链接：https://www.sojson.com/jsobfuscator.html
但是这个sojson.v5 我发现了好多政府网站和大公司也在使用，我知道的就有“中国人民法院最高检-文书网”，“中国人民银行”。如中国人民银行使用图如下：

人民法院文书网在使用sojson.v5

用户还是挺多的。下面我们来研究研究吧

提供免费工具是好的，并且提供了这么多年，我们下面来对这个JS研究一下。
网上也有很多对这个进行破解的，但都是只能破解简单的。

(function (js_body) {
    // 脱壳 && 解密
    let js_arr = js_body.split("\n").pop().split(';'),
        fun_name = /var\s+(_0x[a-z0-9]+)=/.exec(js_arr[6])[1],
        reg_str = fun_name + ' \\(' + "'([^']+)',\s*'([^']+)'" + '\\)',
        js_str = js_arr.slice(54, js_arr.length - 4).join(';'),
        code_shell = js_arr.slice(0, 54).join(' ;'),
        shell_obj = eval("(function(){" + code_shell + ";return " + fun_name + "})()");
    js_str = js_str.replace(new RegExp(reg_str, 'i'), function (str, id, key) {
        return '"' + shell_obj(id, key) + '"';
    }).replace(/([a-z0-9\-_A-Z)\]]+)\s?\[["'](["']+)["']\]/g, '$1.$2').replace(/(?<!_)(0x[0-9a-f]+)/g, function (hex) {
        return parseInt(hex).toString();
    });
    // 还原混淆
    let obj = null, name = '';
    js_str = js_str.replace(/{(va r\s+(_0x[0-9a-z]+)= (\{(.*)\}));/g, function (str, code_str, _name, obj_str) {
        obj = eval("(function () {return " + obj_str + "})()");
        name = _name;
        return '{';
    });
    if (obj) {
        let i = 5;
        while (js_str.indexOf(name) && --i > 0) {
            for (const key in obj) {
                if (!obj.hasOwnProperty(key)) continue;
                if (typeof obj[key] == 'function') {
                    let fun_info = /function \s*_0x[0-9]+\(([^)]*)\){return\s*([^;]+);}/.exec(obj[key].toString());
                    js_str = js_str.replace(new RegExp(name + '\\.' + key + '\\([^()]*)\\)', 'g'), function (string, args_str) {
                        let args = args_str.split(','),
                            fun_args = fun_info[1].split(','),
                            fun_body = fun_info[2];
                        fun_args.forEach(function (item, index) {
                            fun_body = fun_body.replace(item, args[index]);
                        });
                        return fun_body;
                    });
                } else if (typeof obj[key] == 'string') {
                    js_str = js_str.replace(name + '.' + key, '"' + obj[key] + '"');
                } else {
                    js_str = js_str.replace(name + '.' + key, obj[key].toString());
                }
            }
        }
    }
    return js_str;
})($('#resultSource').val() || $('#jsdata').val());

下面我们来一个复杂的sojson.v5加密的JS，进行sojson.v5解密。
随便网上找一个SOJOSNV5加密的代码。我没有源码的。

;var encode_version = 'sojson.v5', tnyms = '__0x46202',  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_0x5b4826=function(_0x4a3682){while(--_0x4a3682){_0x231fd0['push'](_0x231fd0['shift']());}};_0x5b4826(++_0x4f680a);}(__0x46202,0x8d));var _0x5bbd=function(_0x2e014c,_0x3c4d90){_0x2e014c=_0x2e014c-0x0;var _0x1d7798=__0x46202[_0x2e014c];if(_0x5bbd['initialized']===undefined){(function(){var _0x986553=typeof window!=='undefined'?window:typeof process==='object'&&typeof require==='function'&&typeof global==='object'?global:this;var _0x3a9fe3='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';_0x986553['atob']||(_0x986553['atob']=function(_0x3362fc){var _0x222f76=String(_0x3362fc)['replace'](/=+$/,'');for(var _0x1c1bae=0x0,_0x13fcfc,_0x75d67b,_0x5276f9=0x0,_0x5120c6='';_0x75d67b=_0x222f76['charAt'](_0x5276f9++);~_0x75d67b&&(_0x13fcfc=_0x1c1bae%0x4?_0x13fcfc*0x40+_0x75d67b:_0x75d67b,_0x1c1bae++%0x4)?_0x5120c6+=String['fromCharCode'](0xff&_0x13fcfc>>(-0x2*_0x1c1bae&0x6)):0x0){_0x75d67b=_0x3a9fe3['indexOf'](_0x75d67b);}return _0x5120c6;});}());var 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_0x3789e0={'dgChb':'5|1|4|0|7|9|8|2|6|3','PStZu':function _0x7dcf3e(_0x16ac73,_0x55b753){return _0x16ac73(_0x55b753);},'FqPxr':'LOADING\x20...','YScSY':'bottom','sriwF':'slide','lOSkJ':_0x5bbd('0x3','D#8u'),'eIzSx':function _0x5e6bf1(_0x3abb9e,_0x164969){return _0x3abb9e+_0x164969;},'dGlyl':_0x5bbd('0x4','mK]7'),'iwKTM':function _0x4cb531(_0x3a3b6b,_0x5aa308){return _0x3a3b6b===_0x5aa308;},'pCtLR':_0x5bbd('0x5','6P[k'),'Wlxqi':_0x5bbd('0x6','wg(N'),'cxiMg':_0x5bbd('0x7','H3Y*'),'mwlzF':function _0x2641ab(_0x468f18,_0x2e5f37,_0x5b507b,_0x56980f){return _0x468f18(_0x2e5f37,_0x5b507b,_0x56980f);},'aqylG':_0x5bbd('0x8','agQo'),'pcEOt':function _0x2edfd8(_0x4da704,_0x22f5fe){return _0x4da704!==_0x22f5fe;},'vuEaz':_0x5bbd('0x9','T5HQ'),'cHRxb':_0x5bbd('0xa','6P[k'),'bQXTY':_0x5bbd('0xb','PDoq'),'bpQYD':_0x5bbd('0xc','RiSE'),'mwqwC':function _0x3a0232(_0x1fa8cb,_0x1e1df9){return _0x1fa8cb==_0x1e1df9;},'snsJv':'gYW','GyFcD':function _0x23e7d6(_0x45161b,_0x583aa4){return _0x45161b(_0x583aa4);},'DXtRF':'#updateBody','hCRly':_0x5bbd('0xd','8d#p')};var _0x83d8eb=_0x3789e0[_0x5bbd('0xe','&W1t')]['split']('|'),_0x43336d=0x0;while(!![]){switch(_0x83d8eb[_0x43336d++]){case'0':var _0x293a9e=pkg['downLoadUrl'];continue;case'1':_0x3789e0[_0x5bbd('0xf','6P[k')]($,_0x5bbd('0x10','kAM#'))['busyLoad']('show',{'text':_0x3789e0[_0x5bbd('0x11','dm)x')],'textPosition':_0x3789e0[_0x5bbd('0x12','MQEK')],'spinner':_0x5bbd('0x13','2O6B'),'animation':_0x3789e0['sriwF'],'image':_0x3789e0['lOSkJ']});continue;case'2':var 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adm_zip(_0x597c95)[_0x5bbd('0x2c','sT%!')](soft_Path,!![]);fs[_0x5bbd('0x2d','D#8u')](_0x4da1db,_0x1473ac);fs[_0x5bbd('0x2e','E]4k')](_0x6a3873,function(){mpcdsb[_0x5bbd('0x2f','CC1Y')]($,_0x5bbd('0x23','VLHZ'))[_0x5bbd('0x30','6isv')](mpcdsb[_0x5bbd('0x31','Khhr')]);location[_0x5bbd('0x32','T5HQ')]=mpcdsb[_0x5bbd('0x33','kAM#')];});});}}else{_0x203663['catha']($,_0x5bbd('0x34','RiSE'))[_0x5bbd('0x35','mQaH')](_0x203663[_0x5bbd('0x36','*(jo')]);location[_0x5bbd('0x37','Z44s')]=_0x5bbd('0x38','Khhr');}}else{if(_0x203663['sEhfd'](_0x203663[_0x5bbd('0x39','IomQ')],'rUy')){_0x203663[_0x5bbd('0x3a','agQo')]($,_0x203663[_0x5bbd('0x3b','kAM#')])[_0x5bbd('0x3c','agQo')](_0x203663[_0x5bbd('0x3d','PDoq')]);location[_0x5bbd('0x3e','PDoq')]=_0x203663[_0x5bbd('0x3f','sT%!')];}else{_0x203663['catha'](alert,_0x203663[_0x5bbd('0x40','5A()')]);window[_0x5bbd('0x41','8d#p')]();}}});continue;case'4':var _0x1e6998=pkg[_0x5bbd('0x42','Q30n')];continue;case'5':var _0x203663={'UfxFf':function _0xef0d61(_0x1fed85,_0x482b5c){return _0x3789e0[_0x5bbd('0x43','8Pdp')](_0x1fed85,_0x482b5c);},'VlVlR':_0x3789e0[_0x5bbd('0x44','PDoq')],'aUPOa':function _0x5d31fe(_0x8a63e8,_0x4c8c02){return _0x3789e0[_0x5bbd('0x45','S6YE')](_0x8a63e8,_0x4c8c02);},'fxpsf':_0x3789e0['Wlxqi'],'DIYoe':_0x3789e0['cxiMg'],'mnUjp':function _0x18cbbd(_0x527d89,_0x51fc85,_0x2ad31e,_0x248f89){return _0x3789e0[_0x5bbd('0x46','yY3G')](_0x527d89,_0x51fc85,_0x2ad31e,_0x248f89);},'catha':function _0x2d90ff(_0x513e23,_0x45939f){return _0x3789e0['PStZu'](_0x513e23,_0x45939f);},'bCgSO':_0x3789e0[_0x5bbd('0x47','mK]7')],'sEhfd':function _0x5360b7(_0x5a466c,_0x1eeb19){return _0x3789e0[_0x5bbd('0x48','8Pdp')](_0x5a466c,_0x1eeb19);},'MbiZB':_0x3789e0[_0x5bbd('0x49','mQaH')],'aPxui':_0x3789e0[_0x5bbd('0x4a','kAM#')],'PYhvG':_0x3789e0[_0x5bbd('0x4b','CC1Y')],'xmJtU':_0x3789e0[_0x5bbd('0x4c','O6yI')]};continue;case'6':if(_0x3789e0[_0x5bbd('0x4d','T5HQ')](_0x293a9e,'')||_0x3789e0[_0x5bbd('0x4e','Z44s')](_0x5118ea,'')||_0x1e6998==''){if(_0x3789e0[_0x5bbd('0x4f','dm)x')](_0x3789e0['snsJv'],'gYW')){window[_0x5bbd('0x50','Khhr')](_0x5bbd('0x51','mQaH'));}else{_0x3789e0['GyFcD']($,_0x3789e0[_0x5bbd('0x52','D#8u')])[_0x5bbd('0x53','AQYR')](_0x3789e0[_0x5bbd('0x54','*(jo')]);location[_0x5bbd('0x55','E]4k')]=_0x3789e0[_0x5bbd('0x56','8d#p')];return;}}continue;case'7':var _0x4da1db=_0x3789e0[_0x5bbd('0x57','9YTU')](soft_Path,_0x5bbd('0x58','sT%!'));continue;case'8':var _0x40e68c=path[_0x5bbd('0x59','E]4k')](process['execPath']);continue;case'9':var _0x5118ea=fs['readFileSync'](_0x4da1db);continue;}break;}}function downloadFile(_0x3d019c,_0x5a72c6,_0x18cca5){var _0xdf37b6={'WbjlQ':function _0x1e577e(_0x2b41de,_0xf7c150){return _0x2b41de(_0xf7c150);}};var _0x3f3e9b=fs['createWriteStream'](_0x5a72c6);_0xdf37b6[_0x5bbd('0x5a','2O6B')](request,_0x3d019c)['pipe'](_0x3f3e9b)['on'](_0x5bbd('0x5b','Z44s'),_0x18cca5);};if(!(typeof encode_version!==_0x5bbd('0x5c','6isv')&&encode_version===_0x5bbd('0x5d','mK]7'))){window[_0x5bbd('0x5e','O27I')](_0x5bbd('0x5f','MQEK'));};encode_version = 'sojson.v5';

测试下100%解密

request(versionUrl, function (error, response, newVersion) {
if (!error && response.statusCode == 200) {
  if(newVersion != localVersion){
      $(".busy-load-text").html("发现新版本，系统更新中");
      downloadFile(downLoadUrl, filename, function(){
      var path1 = filename.replace(/\\/g,"\/")
      new adm_zip(path1).extractAllTo(soft_Path, true);
      fs.writeFileSync(localVersionPath,newVersion);
      fs.unlink(filename, function(){
        $("#some-element").busyLoad("hide");
        location.href="./src/index.html";
      });
    });  
  }else{
    $("#some-element").busyLoad("hide");
    location.href="./src/index.html";
  }
}else{
  alert("网络异常，请检查网络后重新打开软件！");
  window.close();
}
})

为了方便大家使用，开始编写工具。

工具地址：jsjiemi.com
效果如下：

还有别人写的一些代码。
解密代码如下：

;(function (js_body) {
    // 脱壳 && 解密
    let js_arr = js_body.split("\n").pop().split(';'),
        fun_name = /var\s+(_0x[a-z0-9]+)=/.exec(js_arr[6])[1],
        reg_str = fun_name + '\\(' + "'([^']+)',\s*'([^']+)'" + '\\)',
        js_str = js_arr.slice(54, js_arr.length - 4).join(' ;'),
        code_shell = js_arr.slice(0, 54).join(';'),
        shell_obj = eval("(function(){" + code_shell + "return " + fun_name + "})()");
    js_str = js_str.replace(new RegExp(reg_str, 'g'), function (str, id, key) {
        return '"' + shell_obj(id, key) + '"';
    }).replace(/([a-z0-9\-_A-Z)\]]+)\s?\[["']([^"']+)["']\]/g, '$1.$2').replace(/\\(?<!_\\)(0x[0-9a-f]+)/g, function (hex) {
        return parseInt(hex).toString();
    });
    // 还原混淆
    let obj = null, name = '';
    js_str = js_str.replace(/{(var \s+(_0x[0-9a-z]+)=(\{(.*)\}));/g, function (str, code_str, _name, obj_str) {
        obj = eval("(function () {return" + obj_str + "})()");
        name = name;
        return '{';
    });
    if (obj) {
        let i = 5;
        while (js_str.indexOf(name) && --i > 0) {
            for (const key in obj) {
                if (!obj.hasOwnProperty(key)) continue;
                if (typeof obj[key] == 'function') {
                    let fun_info = /function \s*_0x[0-9a-z]+\(([^)]*)\){return \s*([^;]+);}/.exec(obj[key].toString());
                    js_str = js_str.replace(new RegExp(name + '\\. ' + key + '\\(([^())]* )\\)', 'g'), function (string, args_str) {
                        let args = args_str.split(','),
                            fun_args = fun_info[1].split(','),
                            fun_body = fun_info[2];
                        fun_args.forEach(function (item, index) {
                            fun_body = fun_body.replace(item, args[index]);
                        });
                        return fun_body;
                    });
                } else if (typeof obj[key] == 'string ') {
                    js_str = js_str.replace(name + '.' + key, '"' + obj[key] + '"');
                } else {
                    js_str = js_str.replace(name + '.' + key, obj[key].toString());
                }
            }
        }
    }
    return js_str;
})($('#resultSource').val() || $('#jsdata').val());

也测试下是可以的。