一段JavaScript代码

 

eval(function(p, a, c, k, e, d) {

    e = function(c) {

        return c.toString(36)

    };

    if (!''.replace(/^/, String)) {

        while (c--) {

            d[c.toString(a)] = k[c] || c.toString(a)

        }

        k = [function(e) {

            return d[e]

        }];

        e = function() {

            return '\\w+'

        };

        c = 1

    };

    while (c--) {

        if (k[c]) {

            p = p.replace(new RegExp('\\b' + e(c) + '\\b', 'g'), k[c])

        }

    }

    return p

} ('5 6(){4.3=\'0=1,2; 7-8=e ;f=d; c=/\';9.a.b(g)}', 17, 17, 'YJS                           |4d63258d00cb0bf2883c9133553c7e8d|MTQyODUwNTg0Ng==              |cookie|document|function|challenge|max|age|window|location|reload|path|www.gcjr.com                                                                    |21600              |domain|true'.split('|'), 0, {}))