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上次发了一篇关于新加密的#xff0c;只解了前边两层#xff0c;这中间家里各种事情因素影响#xff0c;没有继续进一步研究#xff0c;今天百忙之中抽空发布第二篇#xff0c;关于其中的一小段加密片段#xff0c;我认为分割成多个小片段是更容易被理解的。逻辑相…
前言
上次发了一篇关于新加密的只解了前边两层这中间家里各种事情因素影响没有继续进一步研究今天百忙之中抽空发布第二篇关于其中的一小段加密片段我认为分割成多个小片段是更容易被理解的。逻辑相对也会清晰很多。这个加密前后关联的地方很多所以有时候感觉无从下手。但所有加密都是有自己的规律的…
上代码片段 if (_0x1756 _0x6386.e_7zrpr -51) {var _0x2423 _0x31566(_0x2304 {var _0x2412, _0x2356, _0x2344, _0x2416, _0x2417;void (_0x2412 401, _0x2356 335, _0x2344 -208, _0x2416 -493, _0x2417 {[am]: -4,[ai]: () _0x2344 212,[e]: 6,[aj]: -80,[c]: 39,b: 0,ae: -106,[d]: 1,[f]: -0x11,k: 57,ah: () {var _0x1832 _0x31566(_0x1826 {return _0x4899[_0x1826 0x25 ? _0x1826 - 0x1c : _0x1826 0x3b1 ? _0x1826 - 0xf : _0x1826 0x25 ? _0x1826 0x57 : _0x1826 0x3b1 ? _0x1826 0x25 ? _0x1826 - 0x26 : _0x1826 - 0x3b : _0x1826 - 0x23];}, 0x1);typeof (_0x2417[ad](), _0x2412 139, _0x2356 41, _0x2344 - 0x56, _0x2416 _0x2417[ae]);return \x61\x66;},H: -97,j: () _0x2416 108 _0x2344 ? _0x2416 355 : 106,[av]: () {typeof (_0x2356 -(_0x2412 - 271), _0x2412 * 0x2, _0x2412 - 353, _0x2356 * 2, _0x2356 - _0x2356 _0x2417[am] ? _0x2417[ao] : 95, _0x2344 _0x2412 (_0x2344 -334 ? -0x56 : _0x2417[aq]) ? ar : 126, _0x2416 - 242);return \u0061\u0074;},J: 335,[ad]: () _0x2412 -0x35,m: _0x31566(() {return (_0x2417.l _0x2244) _0x2170;}, 0x0),[aC]: _0x31497(_0x31566((..._0x1914) {var _0x1916 _0x31566(_0x1906 {return _0x4899[_0x1906 -0x5a ? _0x1906 0x43 : _0x1906 0x332 ? _0x1906 0x11 : _0x1906 -0x5a ? _0x1906 0x52 : _0x1906 0x332 ? _0x1906 -0x5a ? _0x1906 -0x5a ? _0x1906 0x332 ? _0x1906 - 0x37 : _0x1906 -0x5a ? _0x1906 0x59 : _0x1906 - 0x2b : _0x1906 0x62 : _0x1906 - 0x13 : _0x1906 - 0x3a];}, 0x1);typeof (_0x1914[length] 1, _0x1914.RsJKWo _0x1914[0]);return _0x1914.RsJKWo - 211;}, 0x0), 0x1),aD: _0x31497(_0x31566((..._0x1969) {var _0x1942 _0x31566(_0x1937 {return _0x4899[_0x1937 0x3c5 ? _0x1937 - 0x1e : _0x1937 0x39 ? _0x1937 0x3a : _0x1937 0x39 ? _0x1937 0x39 ? _0x1937 - 0x47 : _0x1937 0x39 ? _0x1937 0x39 ? _0x1937 - 0x3a : _0x1937 - 0x48 : _0x1937 - 0x11 : _0x1937 0x5];}, 0x1);typeof (_0x1969[length] 1, _0x1969[QfYIvH] 0x6a);if (_0x1969[QfYIvH] _0x1969[QfYIvH] - (_0x1969[QfYIvH] - 197)) {return _0x1969[_0x1969[QfYIvH] - 102];} else {var _0x1970 _0x31566(_0x1964 {return _0x4899[_0x1964 0x361 ? _0x1964 -0x2b ? _0x1964 0x361 ? _0x1964 - 0x43 : _0x1964 0x2a : _0x1964 0x7 : _0x1964 - 0x16];}, 0x1);return _0x1969[0] ! _0x1969[QfYIvH] 0xbc _0x1969[0] - 208;}}, 0x0), 1),[aE]: _0x31497(_0x31566((..._0x1993) {var _0x1989 _0x31566(_0x1983 {return _0x4899[_0x1983 0x5d ? _0x1983 - 0x3d : _0x1983 - 0x5e];}, 0x1);!(_0x1993[length] 0x1, _0x1993.qbo4gA3 _0x1993[0]);return _0x1993.qbo4gA3 ! -387 _0x1993.qbo4gA3 0x1ff;}, 0x0), 1)});while (_0x2412 _0x2356 _0x2344 _0x2416 ! 0x58 _0x6386.Tvr4gn -32) {var _0x2285, _0x2102, _0x2170, _0x2244, _0x2379, _0x2380, _0x2383, _0x2379, _0x2380, _0x2383;function _0x2418(_0x2032) {return _0x4899[_0x2032 0xa ? _0x2032 0xa ? _0x2032 0xa ? _0x2032 0xa ? _0x2032 - 0xe : _0x2032 0x396 ? _0x2032 0xa ? _0x2032 0xa ? _0x2032 0xa ? _0x2032 - 0x49 : _0x2032 - 0xb : _0x2032 0x36 : _0x2032 0x6 : _0x2032 - 0x38 : _0x2032 - 0x31 : _0x2032 - 0x19 : _0x2032 - 0x2a];}void (_0x2285 [_0x31471[_0x31499(578)](undefined, 15), hasOwnProperty], _0x2102 {[_0x31499(0x246)]: charAt});switch (_0x2412 _0x2356 _0x2344 _0x2416) {case _0x6386.v1RIIq() ? _0x2412 ! 384 _0x2412 - 366 : null:case !_0x6386.v1RIIq() ? 47 : 0x292:case _0x6386.v1RIIq() ? 0x336 : -202:case 203:typeof (_0x2170 (_0x2417[i] _0x2304).length, _0x2412 - 17);break;default:_0x2417[az] \u0061\u0041;if (!(_0x6386.e_7zrpr -0x33)) {_0x2344 0x56;break;}return _0x2379;case _0x6386.ZmJ02y[charAt](4) 5 ? _0x2417.aC(_0x2356) : void 0x0:case _0x6386.cYdZAA() ? 0x3e : 44:for (_0x2244 (_0x2304.sort((_0x2092, _0x2093) _0x31293(_0x2092, _0x2093, _0x31312 -_0x2417[c])), 0); _0x2417[m]() _0x6386.ZmJ02y[_0x2102[_0x31499(582)]](4) 5; _0x2244) {var _0x2309 _0x31566(_0x2124 {return _0x4899[_0x2124 -0x60 ? _0x2124 0xf : _0x2124 0x32c ? _0x2124 - 0xe : _0x2124 -0x60 ? _0x2124 - 0x3b : _0x2124 -0x60 ? _0x2124 0x32c ? _0x2124 0x38 : _0x2124 0x32c ? _0x2124 - 0x60 : _0x2124 0x5f : _0x2124 0x3b];}, 0x1);if ((_0x2417[e] 6 _0x2244) _0x2417[b] (_0x2417[f] q ? encodeURIComponent : _0x2304)[_0x2417[r] _0x2244] (_0x2416 _0x2417.c - 0x1aa ? _0x2304 : EvalError)[(typeof _0x2417[k] _0x2285[0] ? _0x2244 : Boolean) - (_0x2416 12 ? isFinite : _0x2417)[d]]) {continue;}void (_0x2380 _0x31293(_0x2244, 1, _0x31086((_0x2344 -0xd0 ? _0x2417 : clearInterval)[e])), _0x2383 _0x31293(_0x2417[e] 77 ? document : _0x2170, 1, _0x31312 -39));while ((_0x2417.b -208 ? Error : _0x2380) _0x2383 _0x6386.e_7zrpr -51) {var _0x2280 _0x31566(_0x2189 {return _0x4899[_0x2189 -0x58 ? _0x2189 0x49 : _0x2189 0x57];}, 0x1);if ((_0x2416 -0x183 ? _0x2304 : parseFloat)[_0x2244] _0x2304[_0x2380] (_0x2417[b] w ? Math : _0x2304)[_0x2383] (_0x2417[z] _0x2417)[b] _0x6386.Tvr4gn -32) {_0x2380;} else {if (_0x2304[_0x2244] (_0x2417[B] _0x2304)[_0x2380] _0x2304[_0x2383] _0x2417[b] _0x6386.cYdZAA()) {_0x2383--;} else {var _0x2317 _0x31566(_0x2231 {return _0x4899[_0x2231 0x0 ? _0x2231 - 0x38 : _0x2231 0x0 ? _0x2231 - 0xc : _0x2231 - 0x1];}, 0x1);(_0x2356 (_0x2412 -12 ? 45 : 335) _0x2379).push([(_0x2417.k 384 ? setImmediate : _0x2304)[_0x2244], (_0x2416 _0x2417[H] || _0x2304)[_0x2380], _0x2304[_0x2417.f -17 _0x2383]]);while (_0x2380 (_0x2417.f 14 || _0x2383) (_0x2416 (-102 _0x2344 ? 146 : -387) ? _0x2304 : String)[_0x2417[L] _0x2380] _0x2304[(_0x2417[b] -0x45 ? WeakSet : _0x2380) (typeof _0x2417[c] object ? setTimeout : _0x2417)[d]] _0x6386.v1RIIq()) _0x2380;while ((_0x2417[_0x2285[1]](T) ? confirm : _0x2380) _0x2383 (_0x2417.c 39 ? _0x2304 : globalThis)[_0x2383] (_0x2417[_0x31471[_0x31499(577)](void 0x0, [0x12]) Proper \u0074\u0079](X) || _0x2304)[(_0x2417[ab] _0x2383) - (_0x2344 -208 ? _0x2417 : isNaN)[d]] _0x6386.ZmJ02y[_0x31471[_0x31499(578)](undefined, 11)](0x4) 5) _0x2383--;!(_0x2380, _0x2383--);}}}}_0x2412 - 122;break;case _0x6386.e_7zrpr -0x33 ? 466 : -229:case _0x6386.e_7zrpr -51 ? 0x3d7 : -154:case 0x54:!(_0x2379 [], _0x2380 _0x2417[b], _0x2383 0, _0x2412 _0x2417.f, _0x2356 _0x2344 -208 ? -0x31 : _0x2417[h], _0x2416 _0x2412 - 278);break;case _0x6386.e_7zrpr -51 ? _0x2417.aD(_0x2356) : undefined:case _0x6386.v1RIIq() ? 0x304 : -134:case _0x6386.Tvr4gn -0x20 ? 715 : -162:if (_0x2417.av() \x61\x74 _0x6386.ZmJ02y[charAt](0x4) 5) {break;}case !_0x6386.cYdZAA() ? null : _0x2417.aE(_0x2416):void (delete _0x2417[ay], _0x2379 [], _0x2380 _0x2417.b, _0x2383 0x0, _0x2417.j());break;case _0x6386.ZmJ02y[charAt](4) 5 ? 0x2f : -0xcd:if (_0x2417[ah]() \x61\x66 _0x6386.cYdZAA()) {break;}case _0x6386.Tvr4gn -32 ? 682 : 0x0:case _0x6386.cYdZAA() ? 721 : 125:case 86:case !(_0x6386.Tvr4gn -32) ? -33 : 951:void (_0x2412 -87, _0x2412 - 0x73, _0x2417[ai](), _0x2416 _0x2416 _0x2417[aj] ? 20 : -136);}}}, 0x1);console.log(_0x2423);}
分析思路
我截取了这个if里的函数体里面是如下内容
申明了一些变量、以及一个对象体、一个循环体。结构如下。
初始化变量在循环开始之前有一系列变量的初始化操作例如 _0x2285, _0x2102, _0x2170, _0x2244, _0x2379, _0x2380, _0x2383。这些变量可能在后续的逻辑中被使用。条件判断循环体的开头是一个条件判断语句判断 _0x2412 _0x2356 _0x2344 _0x2416 是否等于 0x58并且 _0x6386.Tvr4gn 是否大于 -32。这个条件可能是用来控制循环的终止条件。分支逻辑根据不同的条件循环体内有多个分支逻辑每个分支可能执行不同的操作。例如根据条件判断的结果可能会执行不同的赋值操作、函数调用或者控制流程跳转。变量修改循环体内对多个变量进行了修改包括增加、减少、赋值等操作。这些操作可能是用来控制程序的状态或者执行特定的逻辑。循环控制在循环体内部还有一些语句用来控制循环的继续或者中止例如 continue 和 break 语句。这些语句可能在特定的条件下执行影响循环的执行流程。
结论
其实到这一步懂的人已经很明了了如果一步步手动还原。但是我要做的是用代码还原这是一个很有趣的问题。
js加密解密都是可逆的只要是js都没问题。最终解释权由jsjiami官网所有
