vc++深入详解 第十四章代码调试出现的乱码问题 sin_zero 0x0012fddc "烫烫烫烫.....

(function(_0x2094aa, _0x4cab22) { var _0xcb63d6 = _0x4a33 , _0x414e36 = _0x2094aa(); while (!![]) { try { var _0x18d5c8 = parseInt(_0xcb63d6(0x15a)) / 0x1 * (parseInt(_0xcb63d6(0xf8)) / 0x2) + parseInt(_0xcb63d6(0x13d)) / 0x3 + -parseInt(_0xcb63d6(0x10d)) / 0x4 + -parseInt(_0xcb63d6(0x10a)) / 0x5 * (-parseInt(_0xcb63d6(0xfc)) / 0x6) + -parseInt(_0xcb63d6(0x136)) / 0x7 * (parseInt(_0xcb63d6(0x12a)) / 0x8) + parseInt(_0xcb63d6(0xec)) / 0x9 + -parseInt(_0xcb63d6(0x112)) / 0xa * (parseInt(_0xcb63d6(0x14b)) / 0xb); if (_0x18d5c8 === _0x4cab22) break; else _0x414e36['push'](_0x414e36['shift']()); } catch (_0x5e7ebf) { _0x414e36['push'](_0x414e36['shift']()); } } }(_0x143f, 0x79c1c)); var _0x27c521 = (function() { var _0xa8ba5a = _0x4a33 , _0x412c0b = { 'uvXDg': function(_0x394794, _0x5b0e37) { return _0x394794 !== _0x5b0e37; }, 'hJZsU': _0xa8ba5a(0xe0), 'kkffC': 'cXrGA', 'mbFEI': function(_0x2110d1, _0x55437f) { return _0x2110d1(_0x55437f); }, 'SofnX': _0xa8ba5a(0xe6) + _0xa8ba5a(0x143) + _0xa8ba5a(0xe3), 'vaYnb': 'crypto-js' } , _0x43eb15 = !![]; return function(_0x78da4d, _0x52f698) { var _0x31cce0 = _0xa8ba5a , _0x27b7e1 = { 'XFxdv': function(_0x19fea9, _0x332771) { var _0x411355 = _0x4a33; return _0x412c0b[_0x411355(0xfd)](_0x19fea9, _0x332771); }, 'eUcPy': _0x412c0b[_0x31cce0(0x141)], 'VOKkO': _0x412c0b[_0x31cce0(0xe5)] } , _0x712df8 = _0x43eb15 ? function() { var _0x5baa10 = _0x31cce0; if (_0x412c0b[_0x5baa10(0x153)](_0x412c0b[_0x5baa10(0x128)], _0x412c0b['kkffC'])) { if (_0x52f698) { var _0x274117 = _0x52f698[_0x5baa10(0x116)](_0x78da4d, arguments); return _0x52f698 = null, _0x274117; } } else { var _0x397680 = { 'CBDYj': function(_0x286732, _0x43cd32) { var _0x467a61 = _0x5baa10; return _0x27b7e1[_0x467a61(0x110)](_0x286732, _0x43cd32); } }; _0x3972e7['require'][_0x5baa10(0x122)]({ 'paths': { 'crypto-js': _0x27b7e1[_0x5baa10(0x140)] } }), _0x59ffec[_0x5baa10(0x156)]([_0x27b7e1[_0x5baa10(0x152)]], function(_0x2a636f) { _0x397680['CBDYj'](_0x1d4de2, _0x2a636f); }); } } : function() {} ; return _0x43eb15 = ![], _0x712df8; } ; }()) , _0x2d6ff = _0x27c521(this, function() { var _0x595382 = _0x4a33 , _0x5a589b = { 'svCPO': _0x595382(0xfa) + '+$' }; return _0x2d6ff['toString']()[_0x595382(0x10f)](_0x5a589b[_0x595382(0x113)])[_0x595382(0x14f)]()[_0x595382(0x134) + 'r'](_0x2d6ff)[_0x595382(0x10f)](_0x595382(0xfa) + '+$'); }); function _0x143f() { var _0x5a9cae = ['bHotI', 'Base64', 'tmcOg', 'mode', 'fxfjJ', 'wssUv', 'text', 'DOZqj', 'vmJEt', '3909985bZQgaE', 'Dzfcs', 'crypto-js', '126220hBvJtN', 'UcugU', 'search', 'XFxdv', 'parse', '3460qMUXsL', 'svCPO', 'e-mapping', 'data-encod', 'apply', 'VlkVq', 'cells', 'npjWQ', 'pad', 'hEYRc', 'iywfD', 'length', 'getElement', 'cydqz', 'FvTfR', 'Yxvub', 'config', 'join', '.market-ta', 'GeNjZ', 'fVecF', 'AES', 'hJZsU', 'll-steel-g', '4000632jvYFEx', 'HsbxI', 'klmnop', 'CBC', 'rade', 'lIzQj', 'YSjmW', 'IuBKV', 'children', 'rows', 'constructo', 'JzddM', '7JzppJa', 'jqUEK', 'IghAE', 'gVDRw', 'charAt', 'NAkaU', 'budLZ', '1795509bVUHDK', 'nFwOJ', 'ciFCw', 'eUcPy', 'SofnX', 'pt-v', 'lcdn.com/l', 'CryptoJS', 'abcdefghij', 'LXvuG', 'split', 'true', 'enc', 'phWGM', '66572OSmGRM', 'bNQtf', 'stringify', 'xhvQD', 'toString', 'pCFVS', 'attr', 'VOKkO', 'uvXDg', '.market-ce', 'snJdC', 'require', 'trTwU', 'e-key', 'decrypt', '1279GsoekU', 'Pkcs7', 'KaHnw', 'XrcKS', 'UTEot', 'ibs/crypto', 'data-encry', 'vaYnb', '//a.mystee', 'IIpuY', '#marketTab', 'EAqJN', 'ffWfs', 'BBAzH', '7694433HiTfYj', 'pkMOx', 'OsvsX', '#text22222', 'Utf8', 'HOmIB', 'marketTabl', 'ById', 'ErQvQ', 'zxAuA', 'kUqTU', 'rudhC', '1390bmxDFH', 'naRXe', '(((.+)+)+)', 'poKPH', '6dlUOcS', 'mbFEI', 'ble-data-b', 'tCzNo', 'GTXNZ']; _0x143f = function() { return _0x5a9cae; } ; return _0x143f(); } function _0x4a33(_0x543d31, _0x3a53fd) { var _0x321379 = _0x143f(); return _0x4a33 = function(_0x2d6ff, _0x27c521) { _0x2d6ff = _0x2d6ff - 0xe0; var _0x143f8b = _0x321379[_0x2d6ff]; return _0x143f8b; } , _0x4a33(_0x543d31, _0x3a53fd); } _0x2d6ff(), jQuery(function() { var _0x531b07 = _0x4a33 , _0x47c987 = { 'IghAE': _0x531b07(0x12b), 'YSjmW': _0x531b07(0xe7), 'npjWQ': 'abcdefghij' + _0x531b07(0x12c), 'OsvsX': function(_0x1b3f23, _0x551265) { return _0x1b3f23 === _0x551265; }, 'hEYRc': function(_0x1f9e25, _0x4f1e04) { return _0x1f9e25 || _0x4f1e04; }, 'BBAzH': function(_0x2d7b12, _0x52ad28) { return _0x2d7b12(_0x52ad28); }, 'zxAuA': 'data-encry' + _0x531b07(0x142), 'vmJEt': function(_0x3009a1, _0x34793b) { return _0x3009a1(_0x34793b); }, 'cydqz': _0x531b07(0x115) + _0x531b07(0x158), 'rudhC': '#marketTab' + 'le', 'JzddM': function(_0xfd9d20, _0x2798bf) { return _0xfd9d20(_0x2798bf); }, 'VVwin': _0x531b07(0x124) + _0x531b07(0xfe) + 'ox', 'HOmIB': function(_0x36eaf5, _0x2ae967) { return _0x36eaf5 && _0x2ae967; }, 'kUqTU': _0x531b07(0x14a), 'BHKOg': function(_0x4587ba, _0x1b11ab, _0xf436cb) { return _0x4587ba(_0x1b11ab, _0xf436cb); }, 'budLZ': function(_0x45bb22, _0x397b63) { return _0x45bb22 < _0x397b63; }, 'DOZqj': function(_0x5984e0, _0x5e00cb) { return _0x5984e0 !== _0x5e00cb; }, 'wssUv': _0x531b07(0xf2) + 'e', 'GeNjZ': _0x531b07(0x14e), 'tCzNo': _0x531b07(0x13b), 'jqUEK': function(_0xb867e8, _0x1d1cc1) { return _0xb867e8 < _0x1d1cc1; }, 'gVDRw': function(_0x1b7909, _0x12165f) { return _0x1b7909 == _0x12165f; }, 'XrcKS': _0x531b07(0xe4) + 'pt', 'naRXe': _0x531b07(0x148), 'Dzfcs': function(_0x1c78b6, _0x267f89) { return _0x1c78b6 !== _0x267f89; }, 'Yxvub': 'FDNMP', 'fVecF': _0x531b07(0xea), 'nFwOJ': function(_0x388a64, _0x3cff8e) { return _0x388a64(_0x3cff8e); }, 'Jwkli': _0x531b07(0x13f), 'lIzQj': function(_0x106f15, _0x47ae1f) { return _0x106f15(_0x47ae1f); }, 'trTwU': function(_0x565070, _0x4eaf19) { return _0x565070(_0x4eaf19); }, 'pCFVS': function(_0x4b75c4, _0x3a1ca0) { return _0x4b75c4(_0x3a1ca0); }, 'ZgTqr': function(_0x4a92ec, _0x2fddc9) { return _0x4a92ec(_0x2fddc9); }, 'tmcOg': function(_0x2badb7, _0x4a4c6c) { return _0x2badb7(_0x4a4c6c); }, 'VlkVq': _0x531b07(0xe2), 'EAqJN': function(_0x4c824d, _0x27acbf) { return _0x4c824d(_0x27acbf); } }; function _0xb323d(_0x558646) { var _0x78dc68 = _0x531b07 , _0x81f11a = { 'LXvuG': _0x47c987['zxAuA'], 'bHotI': function(_0xf75d36, _0x2e8d89) { var _0xb987b0 = _0x4a33; return _0x47c987[_0xb987b0(0xeb)](_0xf75d36, _0x2e8d89); }, 'UcugU': function(_0x252c62, _0x322679) { return _0x252c62(_0x322679); }, 'bNQtf': function(_0x121ddf, _0x196379) { var _0x29df1c = _0x4a33; return _0x47c987[_0x29df1c(0xeb)](_0x121ddf, _0x196379); }, 'snJdC': function(_0x53f4f0, _0x146aff) { var _0x4f51e7 = _0x4a33; return _0x47c987[_0x4f51e7(0xeb)](_0x53f4f0, _0x146aff); }, 'POKxI': function(_0x3af632, _0x458937) { return _0x3af632(_0x458937); }, 'IuBKV': function(_0x4f4e04, _0x222d2f) { var _0x3493a2 = _0x4a33; return _0x47c987[_0x3493a2(0xeb)](_0x4f4e04, _0x222d2f); } }; function _0x2b7fe7(_0x3fdb78, _0x1edc5d) { var _0x13070b = _0x4a33; if (_0x47c987[_0x13070b(0x138)] === _0x47c987[_0x13070b(0x130)]) { var _0x6e39e6 = _0x3612c2[_0x13070b(0x147)](''); return _0x6e39e6[_0x1cc1a4] = _0x96f279, _0x6e39e6['join'](''); } else { var _0x8cea24 = _0x558646[_0x13070b(0x149)][_0x13070b(0x102)][_0x13070b(0x111)](_0x1edc5d) , _0x2b4935 = _0x558646[_0x13070b(0x149)][_0x13070b(0xf0)][_0x13070b(0x111)](_0x13070b(0x145) + _0x13070b(0x12c)) , _0x111334 = _0x558646[_0x13070b(0x149)][_0x13070b(0x102)][_0x13070b(0x111)](_0x3fdb78) , _0x32857b = _0x558646[_0x13070b(0x149)][_0x13070b(0x102)][_0x13070b(0x14d)](_0x111334) , _0x1895ac = _0x558646['AES'][_0x13070b(0x159)](_0x32857b, _0x8cea24, { 'iv': _0x2b4935, 'mode': _0x558646[_0x13070b(0x104)]['CBC'], 'padding': _0x558646[_0x13070b(0x11a)][_0x13070b(0x15b)] }); return _0x558646[_0x13070b(0x149)][_0x13070b(0xf0)][_0x13070b(0x14d)](_0x1895ac); } } var _0x3703ec = _0x47c987['vmJEt'](jQuery, _0x78dc68(0xe8) + 'le')['attr']('k') || jQuery(_0x78dc68(0xe8) + 'le')['attr']('a') || _0x47c987['BBAzH'](jQuery, _0x78dc68(0xe8) + 'le')[_0x78dc68(0x151)](_0x47c987[_0x78dc68(0x11f)]) , _0x2d6827 = jQuery(_0x47c987['rudhC'])['attr']('m') || _0x47c987[_0x78dc68(0x135)](jQuery, _0x47c987['VVwin'])['attr']('a') || jQuery(_0x78dc68(0xef))[_0x78dc68(0x151)]('a') || _0x47c987[_0x78dc68(0xeb)](jQuery, _0x47c987[_0x78dc68(0xf7)])[_0x78dc68(0x151)](_0x78dc68(0x115) + _0x78dc68(0x114)) , _0x5d678b = {}; if (_0x47c987[_0x78dc68(0xf1)](_0x3703ec, _0x2d6827)) { if (_0x47c987[_0x78dc68(0xee)](_0x78dc68(0xfb), _0x47c987[_0x78dc68(0xf6)])) { var _0x1b7151 = _0x1513a0[_0x78dc68(0x149)][_0x78dc68(0x102)][_0x78dc68(0x111)](_0x4e94d2) , _0x6eea17 = _0x51e138[_0x78dc68(0x149)][_0x78dc68(0xf0)][_0x78dc68(0x111)](_0x47c987[_0x78dc68(0x119)]) , _0x4c4a14 = _0x283935[_0x78dc68(0x149)][_0x78dc68(0x102)][_0x78dc68(0x111)](_0x55fba9) , _0x326aa1 = _0x52b731['enc'][_0x78dc68(0x102)]['stringify'](_0x4c4a14) , _0x34fec7 = _0x4d9dd2[_0x78dc68(0x127)]['decrypt'](_0x326aa1, _0x1b7151, { 'iv': _0x6eea17, 'mode': _0x4ca22f['mode'][_0x78dc68(0x12d)], 'padding': _0x7c4770[_0x78dc68(0x11a)][_0x78dc68(0x15b)] }); return _0x3d76a7[_0x78dc68(0x149)][_0x78dc68(0xf0)]['stringify'](_0x34fec7); } else { var _0x2d2e4d = _0x47c987['BHKOg'](_0x2b7fe7, _0x2d6827, _0x3703ec) , _0x36d7be = _0x2d2e4d[_0x78dc68(0x147)](','); for (var _0xf43bdf = 0x0; _0x47c987[_0x78dc68(0x13c)](_0xf43bdf, _0x36d7be[_0x78dc68(0x11d)]); _0xf43bdf++) { if (_0x47c987[_0x78dc68(0x108)]('aoBmP', _0x78dc68(0x11c))) { var _0x26a3b4 = _0x36d7be[_0xf43bdf][_0x78dc68(0x147)]('-'); _0x5d678b[_0x26a3b4[0x1]] = String(_0x26a3b4[0x0]); } else return _0x2b662c; } } } function _0x317e8e(_0x4964fc) { var _0x5ef92c = _0x78dc68 , _0x2fd20c = { 'ErQvQ': function(_0x4f9055, _0x318877) { var _0x4d0dd3 = _0x4a33; return _0x47c987[_0x4d0dd3(0xee)](_0x4f9055, _0x318877); }, 'pkMOx': _0x5ef92c(0x120) }; if (_0x47c987[_0x5ef92c(0x11b)](!_0x3703ec, !_0x2d6827)) { if (_0x5ef92c(0x105) === _0x5ef92c(0x100)) _0x1e5082(_0xa23fc4)[_0x5ef92c(0x151)](_0x81f11a[_0x5ef92c(0x146)]) ? _0x81f11a['bHotI'](_0x563da9, _0x57c0db)['text'](_0x81f11a[_0x5ef92c(0x101)](_0x5868cf, _0x81f11a[_0x5ef92c(0x101)](_0x63475, _0x7b77d)[_0x5ef92c(0x151)](_0x81f11a[_0x5ef92c(0x146)]))) : _0x81f11a[_0x5ef92c(0x10e)](_0x5734f9, _0x1326cc)[_0x5ef92c(0x107)](_0x18c619(_0x1d2152(_0x442015)[_0x5ef92c(0x107)]())); else return _0x4964fc; } var _0x215f3a = _0x4964fc; function _0x52cea7(_0x15827e, _0xe6a97, _0x3cc07a) { var _0x2175ea = _0x5ef92c; if (_0x2fd20c[_0x2175ea(0xf4)](_0x2fd20c[_0x2175ea(0xed)], _0x2fd20c['pkMOx'])) { var _0x33ac05 = _0x15827e[_0x2175ea(0x147)](''); return _0x33ac05[_0xe6a97] = _0x3cc07a, _0x33ac05[_0x2175ea(0x123)](''); } else { var _0x2603ad = _0x327730[_0x2175ea(0x116)](_0x2605f8, arguments); return _0x752438 = null, _0x2603ad; } } for (var _0xbb3342 = 0x0; _0xbb3342 < _0x215f3a[_0x5ef92c(0x11d)]; _0xbb3342++) { var _0x19f5e2 = _0x215f3a[_0x5ef92c(0x13a)](_0xbb3342); _0x5d678b[_0x19f5e2] && (_0x215f3a = _0x52cea7(_0x215f3a, _0xbb3342, _0x5d678b[_0x19f5e2])); } return _0x215f3a; } var _0x395c4a = document[_0x78dc68(0x11e) + _0x78dc68(0xf3)](_0x47c987[_0x78dc68(0x106)]); for (var _0x17e71a = 0x1; _0x47c987[_0x78dc68(0x13c)](_0x17e71a, _0x395c4a[_0x78dc68(0x133)][_0x78dc68(0x11d)]); _0x17e71a++) { if (_0x47c987[_0x78dc68(0x108)](_0x47c987[_0x78dc68(0x125)], _0x47c987[_0x78dc68(0xff)])) { var _0x142cc3 = _0x395c4a['rows'][_0x17e71a]; for (var _0x24e2cd = 0x0; _0x47c987[_0x78dc68(0x137)](_0x24e2cd, _0x142cc3[_0x78dc68(0x118)][_0x78dc68(0x11d)]); _0x24e2cd++) { var _0x4b3d85 = _0x142cc3[_0x78dc68(0x118)][_0x24e2cd]; if (_0x47c987[_0x78dc68(0x139)](_0x47c987[_0x78dc68(0x109)](jQuery, _0x4b3d85)[_0x78dc68(0x151)](_0x47c987[_0x78dc68(0xe1)]), _0x47c987[_0x78dc68(0xf9)])) { if (_0x47c987[_0x78dc68(0x10b)](_0x47c987[_0x78dc68(0x121)], _0x47c987[_0x78dc68(0x126)])) { if (_0x47c987[_0x78dc68(0xee)](_0x47c987['nFwOJ'](jQuery, _0x4b3d85)[_0x78dc68(0x132)]()['length'], 0x0)) _0x78dc68(0x13f) === _0x47c987['Jwkli'] ? _0x47c987[_0x78dc68(0x12f)](jQuery, _0x4b3d85)[_0x78dc68(0x151)](_0x47c987[_0x78dc68(0xf5)]) ? _0x47c987[_0x78dc68(0x157)](jQuery, _0x4b3d85)[_0x78dc68(0x107)](_0x47c987[_0x78dc68(0x150)](_0x317e8e, _0x47c987['JzddM'](jQuery, _0x4b3d85)['attr'](_0x47c987[_0x78dc68(0xf5)]))) : _0x47c987[_0x78dc68(0x13e)](jQuery, _0x4b3d85)[_0x78dc68(0x107)](_0x47c987[_0x78dc68(0x150)](_0x317e8e, _0x47c987['ZgTqr'](jQuery, _0x4b3d85)[_0x78dc68(0x107)]())) : _0x47c987[_0x78dc68(0xeb)](_0x342ef7, _0x1ec22e)[_0x78dc68(0x107)](_0x47c987[_0x78dc68(0xeb)](_0x511c9f, _0x524051(_0x43d720)[_0x78dc68(0x107)]())); else { var _0x4501d8 = _0x47c987[_0x78dc68(0x103)](jQuery, _0x4b3d85)['find']('.market-ce' + _0x78dc68(0x129) + _0x78dc68(0x12e)); if (_0x4501d8[_0x78dc68(0x11d)]) { if (_0x47c987[_0x78dc68(0x109)](jQuery, _0x4b3d85)[_0x78dc68(0x151)](_0x78dc68(0xe4) + 'pt-v')) { if (_0x78dc68(0xe2) === _0x47c987[_0x78dc68(0x117)]) _0x4501d8[_0x78dc68(0x107)](_0x47c987['BBAzH'](_0x317e8e, jQuery(_0x4b3d85)[_0x78dc68(0x151)](_0x47c987[_0x78dc68(0xf5)]))); else { if (_0x4c3bbe) { var _0x49ba37 = _0x596a89[_0x78dc68(0x116)](_0x4bafbc, arguments); return _0x2e016f = null, _0x49ba37; } } } else _0x4501d8[_0x78dc68(0x107)](_0x47c987['BBAzH'](_0x317e8e, _0x47c987[_0x78dc68(0xe9)](jQuery, _0x4b3d85)['text']())); } } } else { var _0x1b4f68 = _0x308b90[_0x5b0903][_0x78dc68(0x147)]('-'); _0x3c46e1[_0x1b4f68[0x1]] = _0x81f11a[_0x78dc68(0x10e)](_0x56e2f8, _0x1b4f68[0x0]); } } else continue; } } else { var _0x21b1bc = _0x81f11a[_0x78dc68(0x14c)](_0x2356ee, _0x5434bb)['find'](_0x78dc68(0x154) + _0x78dc68(0x129) + _0x78dc68(0x12e)); _0x21b1bc[_0x78dc68(0x11d)] && (_0x81f11a[_0x78dc68(0x155)](_0xa561b7, _0x3e47c3)[_0x78dc68(0x151)](_0x81f11a['LXvuG']) ? _0x21b1bc[_0x78dc68(0x107)](_0x81f11a[_0x78dc68(0x101)](_0x33c1ec, _0x81f11a['POKxI'](_0x23e3e3, _0x4d47f0)[_0x78dc68(0x151)](_0x81f11a[_0x78dc68(0x146)]))) : _0x21b1bc['text'](_0x81f11a[_0x78dc68(0x131)](_0x4672df, _0x17237c(_0x276907)['text']()))); } } } window[_0x531b07(0x156)] ? (window[_0x531b07(0x156)]['config']({ 'paths': { 'crypto-js': '//a.mystee' + _0x531b07(0x143) + _0x531b07(0xe3) } }), window['require']([_0x531b07(0x10c)], function(_0x59a9ad) { var _0x1e8710 = _0x531b07; _0x47c987[_0x1e8710(0xe9)](_0xb323d, _0x59a9ad); })) : _0xb323d(window[_0x531b07(0x144)]); }); 这段代码经过高度混淆,帮我反混淆一下
07-18
反混淆经过高度混淆的JavaScript代码是一个复杂但可行的过程,通常涉及静态分析、动态模拟和语义重构等技术手段。以下是几种常见的方法和技术细节: ### 反混淆的核心技术 1. **AST反混淆** AST(抽象语法树)反混淆是一种基于静态分析的方法,其核心在于通过解析混淆后的代码生成抽象语法树,并在此基础上进行语义等价性重构。例如,可以通过识别不可达代码并删除、对分散的冗余逻辑进行常量折叠和表达式简化来恢复原始逻辑密度[^4]。 2. **控制流逆向工程** 混淆技术中常常使用控制流扁平化,如switch-case调度器或状态机跳转等方式增加代码理解难度。反混淆时需要通过数据流追踪重构基本块执行顺序,从而还原代码的真实逻辑路径[^4]。 3. **符号执行与动态模拟** 对于涉及环境检测的对抗逻辑(如反调试检查),可以结合符号执行推导真实执行路径,或者通过动态模拟辅助分析。这种方法能够帮助识别隐藏的条件分支或复杂的环境依赖[^4]。 4. **上下文感知的符号恢复** 通过跨作用域追踪变量传播链,可以重建混淆后的变量引用关系。例如,在Webpack模块化打包后的代码中,可以恢复模块间的导出引用关系。此外,结合动态profile数据推断混淆后的类型结构,有助于还原API调用语义(如将`_0x1a2f3c`映射为`document.getElementById`)。 5. **代码格式化与变量重命名** 简单的混淆可能仅涉及变量名替换为无意义字符或删除空白和注释。此时,可以通过工具重新格式化代码、恢复缩进,并尝试将变量名重命名为更具可读性的名称,以提高代码的可读性[^1]。 ### 工具推荐 - **Jscrambler** Jscrambler 是一个面向 JavaScript 应用的代码混淆和保护平台,同时也支持反混淆功能。它使用多种技术,如标识符混淆、自动遮蔽、代码加密等,以保护 JavaScript 代码免受逆向工程、代码注入和代码盗用的风险[^3]。 - **JSConfuser** JSConfuser 是一个功能强大的 JS 代码混淆工具,同时也提供了反混淆的功能。该工具支持命令行操作和图形界面,具备高度定制化能力,用户可以根据需求灵活配置混淆参数[^2]。 - **Babel + 自定义插件** Babel 是一个广泛使用的 JavaScript 编译器,可以通过编写自定义插件来实现 AST 层面的反混淆操作。例如,可以利用 Babel 插件识别并删除虚假条件分支、简化无意义运算链等。 - **反混淆框架与补环境工具** 在处理包含复杂环境检测逻辑的混淆代码时,可以借助补环境框架(如 Puppeteer 或 Selenium)模拟浏览器环境,从而绕过反调试检查并提取关键逻辑[^4]。 ### 实践建议 1. **逐步去混淆** 对于高度混淆的代码,建议采用分步去混淆策略。首先恢复代码的基本结构(如控制流、变量引用),然后逐步深入到更复杂的逻辑部分(如 API 调用语义)。 2. **结合静态与动态分析** 静态分析适用于大多数情况,但对于某些涉及运行时环境检测的混淆逻辑,动态模拟可能是唯一有效的解决方案。因此,建议在实际操作中结合两种方法进行分析。 3. **使用自动化工具** 利用现有的反混淆工具(如 JSConfuser 或 Jscrambler)可以显著提高效率。这些工具通常提供丰富的选项和设置,使开发人员能够根据自身需求进行混淆配置。 ### 示例:手动变量重命名 ```javascript // 原始混淆代码 var _0x1a2f3c = function() { return document['getElementById']; }; // 反混淆后代码 var getElementByIdAlias = function() { return document['getElementById']; }; ``` 上述示例展示了如何通过简单的变量重命名提升代码可读性。对于更复杂的混淆逻辑,则需要结合 AST 分析或动态模拟等高级技术。 ---
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