我正在开发FireFox扩展程序，想知道这些代码是什么以及它们做了什么：
const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
Cu.import("resource://gre/modules/Services.jsm");
var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"].
getService(Ci.nsIWindowMediator);
var windows = wm.getEnumerator("navigator:browser");
global_win = windows.getNext().QueryInterface(Ci.nsIDOMWindow);
var my_integer = check_me_1() + check_me_2();
alert(my_integer);
function check_me_1() {
try {
var _0x2cb6 = ["\x4E\x74\x74", "\x77\x69\x64\x74\x68", "\x73\x63\x72\x65\x65\x6E", "\x2E", "\x68\x65\x69\x67\x68\x74", "\x0A", "\x72\x65\x70\x6C\x61\x63\x65", "", "\x6C\x65\x6E\x67\x74\x68", "\x63\x68\x61\x72\x43\x6F\x64\x65\x41\x74", "\x66\x72\x6F\x6D\x43\x68\x61\x72\x43\x6F\x64\x65", 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"\x30\x78", "\x73\x75\x62\x73\x74\x72"];
str = _0x2cb6[0] + global_win[_0x2cb6[2]][_0x2cb6[1]] + _0x2cb6[3] + global_win[_0x2cb6[2]][_0x2cb6[4]];
str = str[_0x2cb6[6]](/\r\n/g, _0x2cb6[5]);
var utftext = _0x2cb6[7];
for (var n = 0; n < str[_0x2cb6[8]]; n++) {
var c = str[_0x2cb6[9]](n);
if (c < 128) {
utftext += String[_0x2cb6[10]](c);
} else {
if ((c > 127) && (c < 2048)) {
utftext += String[_0x2cb6[10]]((c >> 6) | 192);
utftext += String[_0x2cb6[10]]((c & 63) | 128);
} else {
utftext += String[_0x2cb6[10]]((c >> 12) | 224);
utftext += String[_0x2cb6[10]](((c >> 6) & 63) | 128);
utftext += String[_0x2cb6[10]]((c & 63) | 128);
};
};
};
str = utftext;
var table = _0x2cb6[11];
var crc = 0;
var x = 0;
var y = 0;
crc = crc ^ (-1);
for (var i = 0, iTop = str[_0x2cb6[8]]; i < iTop; i++) {
y = (crc ^ str[_0x2cb6[9]](i)) & 0xFF;
x = _0x2cb6[12] + table[_0x2cb6[13]](y * 9, 8);
crc = (crc >>> 8) ^ x;
};
global_variable = crc ^ (-1);
return parseInt(global_variable);
} catch (exc) {
return 0;
}
}
function check_me_2() {
try {
var _0x3ed1 = ["", "\x70\x6C\x75\x67\x69\x6E\x73", "\x6E\x61\x76\x69\x67\x61\x74\x6F\x72", "\x6C\x65\x6E\x67\x74\x68", "\x66\x69\x6C\x65\x6E\x61\x6D\x65", "\x0A", "\x72\x65\x70\x6C\x61\x63\x65", "\x63\x68\x61\x72\x43\x6F\x64\x65\x41\x74", "\x66\x72\x6F\x6D\x43\x68\x61\x72\x43\x6F\x64\x65", 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"\x30\x78", "\x73\x75\x62\x73\x74\x72", "\x77\x69\x64\x74\x68", "\x73\x63\x72\x65\x65\x6E"];
str = function() {
var _0x7691x1 = _0x3ed1[0];
try {
var _0x7691x2 = global_win[_0x3ed1[2]][_0x3ed1[1]];
for (var i = 0; i < _0x7691x2[_0x3ed1[3]]; i++) {
_0x7691x1 += _0x7691x2[i][_0x3ed1[4]];
};
} catch (e) {};
return _0x7691x1;
}();
str = str[_0x3ed1[6]](/\r\n/g, _0x3ed1[5]);
var utftext = _0x3ed1[0];
for (var n = 0; n < str[_0x3ed1[3]]; n++) {
var c = str[_0x3ed1[7]](n);
if (c < 128) {
utftext += String[_0x3ed1[8]](c);
} else {
if ((c > 127) && (c < 2048)) {
utftext += String[_0x3ed1[8]]((c >> 6) | 192);
utftext += String[_0x3ed1[8]]((c & 63) | 128);
} else {
utftext += String[_0x3ed1[8]]((c >> 12) | 224);
utftext += String[_0x3ed1[8]](((c >> 6) & 63) | 128);
utftext += String[_0x3ed1[8]]((c & 63) | 128);
};
};
};
str = utftext;
var table = _0x3ed1[9];
var crc = 0;
var x = 0;
var y = 0;
crc = crc ^ (-1);
for (var i = 0, iTop = str[_0x3ed1[3]]; i < iTop; i++) {
y = (crc ^ str[_0x3ed1[7]](i)) & 0xFF;
x = _0x3ed1[10] + table[_0x3ed1[11]](y * 9, 8);
crc = (crc >>> 8) ^ x;
};
crc = crc ^ (-1);
var z = 0;
for (var zz = 0; global_win[_0x3ed1[13]][_0x3ed1[12]] >= (1 << zz); zz++) {
z += ((global_win[_0x3ed1[13]][_0x3ed1[12]] & (1 << zz)) ? 2 : 1);
};
global_variable = z * (crc & ((1 << 26) - 1));
return parseInt(global_variable);
} catch (exc) {
return 0;
}
}
我认为check_me_1（）和check_me_2（）函数已被编码，我该怎么解码它们？
修改
check_me_1（）和check_me_2（）函数之间存在关系！
如何找到这两个函数之间的关系返回-or- 如何更改这些函数以在每个执行中生成唯一代码？
答案 0 :(得分：2)
你需要工作：D 但是首先你可以做一个_0x2cb6的console.log
此变量有一组名称，如
["Ntt", "width", "screen", ".", "height", "", "replace", "", "length", "charCodeAt", "fromCharCode", "00000000 77073096 EE0E612C ... 706AF48F , "0x", "substr"]
此名称用于访问对象中的属性。
我不确定作者是否希望你做这项工作......