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最近几天没有更新博客,是因为在仿制一款名博的主题,但是按照正常的Z-blog主题扒皮流程是没有用的,因为主题原作者做了很多防止扒皮的措施,而且对很多JS脚本进行了加密,打开源代码全部是一堆eval(function(p,a,c,k,e,d) 开头的乱码,根本不知道程序里面调用了那些参数。所以必须对源码进行解密,采后才能针对性的调整。
针对eval(function(p,a,c,k,e,d)这种加密方法,网上有很多解密方法,经过我多次测试,发现网络上的方法有很多细节没有注意,导致并不能完整解密甚至根本就无法解密。所以今天陈德馨将根据一些教程的案例进行eval(function(p,a,c,k,e,d)解密方法详细无误的说一下。
案例源代码:
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其实这个eval(function(p,a,c,k,e,d){}))中自带解码函数e(). while(c--){if(k[c]){p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c])}}return p while循环产生的每个p就是解码后的函数代码,我们删掉源码中的return p,不用将结果返回,而是直接输出在一个文本区域中,如document.getElementById(”textareaID”).innerText=p; 。
修改后的HTML代码:
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保存为html文件,运行,格式化文本区域中的JavaScript代码,代码如下:
if (typeof Object.create !== "function") { Object.create = function(o) { function F() {}; F.prototype = o; return new F() } } var ua = { toString: function() { return navigator.userAgent }, test: function(s) { return this.toString().toLowerCase().indexOf(s.toLowerCase()) > -1 } }; ua.version = (ua.toString().toLowerCase().match(/[\s\S]+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [])[1]; ua.webkit = ua.test("webkit"); ua.gecko = ua.test("gecko") && !ua.webkit; ua.opera = ua.test("opera"); ua.ie = ua.test("msie") && !ua.opera; ua.ie6 = ua.ie && document.compatMode && typeof document.documentElement.style.maxHeight === "undefined"; ua.ie7 = ua.ie && document.documentElement && typeof document.documentElement.style.maxHeight !== "undefined" && typeof XDomainRequest === "undefined"; ua.ie8 = ua.ie && typeof XDomainRequest !== "undefined"; var domReady = function() { var _1 = []; var _2 = function() { if (!arguments.callee.done) { arguments.callee.done = true; for (var i = 0; i < _1.length; i++) { _1[i]() } } }; if (document.addEventListener) { document.addEventListener("DOMContentLoaded", _2, false) } if (ua.ie) { (function() { try { document.documentElement.doScroll("left") } catch(e) { setTimeout(arguments.callee, 50); return } _2() })(); document.onreadystatechange = function() { if (document.readyState === "complete") { document.onreadystatechange = null; _2() } } } if (ua.webkit && document.readyState) { (function() { if (document.readyState !== "loading") { _2() } else { setTimeout(arguments.callee, 10) } })() } window.onload = _2; return function(fn) { if (typeof fn === "function") { _1[_1.length] = fn } return fn } } (); var cssHelper = function() { var _3 = { BLOCKS: /[^\s{][^{]*\{(?:[^{}]*\{[^{}]*\}[^{}]*|[^{}]*)*\}/g, BLOCKS_INSIDE: /[^\s{][^{]*\{[^{}]*\}/g, DECLARATIONS: /[a-zA-Z\-]+[^;]*:[^;]+;/g, RELATIVE_URLS: /url\(['"]?([^\/\)'"][^:\)'"]+)['"]?\)/g, REDUNDANT_COMPONENTS: /(?:\/\*([^*\\\\]|\*(?!\/))+\*\/|@import[^;]+;)/g, REDUNDANT_WHITESPACE: /\s*(,|:|;|\{|\})\s*/g, MORE_WHITESPACE: /\s{2,}/g, FINAL_SEMICOLONS: /;\}/g, NOT_WHITESPACE: /\S+/g }; var _4, _5 = false; var _6 = []; var _7 = function(fn) { if (typeof fn === "function") { _6[_6.length] = fn } }; var _8 = function() { for (var i = 0; i < _6.length; i++) { _6[i](_4) } }; var _9 = {}; var _a = function(n, v) { if (_9[n]) { var _b = _9[n].listeners; if (_b) { for (var i = 0; i < _b.length; i++) { _b[i](v) } } } }; var _c = function(_d, _e, _f) { if (ua.ie && !window.XMLHttpRequest) { window.XMLHttpRequest = function() { return new ActiveXObject("Microsoft.XMLHTTP") } } if (!XMLHttpRequest) { return "" } var r = new XMLHttpRequest(); try { r.open("get", _d, true); r.setRequestHeader("X_REQUESTED_WITH", "XMLHttpRequest") } catch(e) { _f(); return } var _10 = false; setTimeout(function() { _10 = true }, 5000); document.documentElement.style.cursor = "progress"; r.onreadystatechange = function() { if (r.readyState === 4 && !_10) { if (!r.status && location.protocol === "file:" || (r.status >= 200 && r.status < 300) || r.status === 304 || navigator.userAgent.indexOf("Safari") > -1 && typeof r.status === "undefined") { _e(r.responseText) } else { _f() } document.documentElement.style.cursor = ""; r = null } }; r.send("") }; var _11 = function(_12) { _12 = _12.replace(_3.REDUNDANT_COMPONENTS, ""); _12 = _12.replace(_3.REDUNDANT_WHITESPACE, "$1"); _12 = _12.replace(_3.MORE_WHITESPACE, " "); _12 = _12.replace(_3.FINAL_SEMICOLONS, "}"); return _12 }; var _13 = { mediaQueryList: function(s) { var o = {}; var idx = s.indexOf("{"); var lt = s.substring(0, idx); s = s.substring(idx + 1, s.length - 1); var mqs = [], rs = []; var qts = lt.toLowerCase().substring(7).split(","); for (var i = 0; i < qts.length; i++) { mqs[mqs.length] = _13.mediaQuery(qts[i], o) } var rts = s.match(_3.BLOCKS_INSIDE); if (rts !== null) { for (i = 0; i < rts.length; i++) { rs[rs.length] = _13.rule(rts[i], o) } } o.getMediaQueries = function() { return mqs }; o.getRules = function() { return rs }; o.getListText = function() { return lt }; o.getCssText = function() { return s }; return o }, mediaQuery: function(s, mql) { s = s || ""; var not = false, _14; var exp = []; var _15 = true; var _16 = s.match(_3.NOT_WHITESPACE); for (var i = 0; i < _16.length; i++) { var _17 = _16[i]; if (!_14 && (_17 === "not" || _17 === "only")) { if (_17 === "not") { not = true } } else { if (!_14) { _14 = _17 } else { if (_17.charAt(0) === "(") { var _18 = _17.substring(1, _17.length - 1).split(":"); exp[exp.length] = { mediaFeature: _18[0], value: _18[1] || null } } } } } return { getList: function() { return mql || null }, getValid: function() { return _15 }, getNot: function() { return not }, getMediaType: function() { return _14 }, getExpressions: function() { return exp } } }, rule: function(s, mql) { var o = {}; var idx = s.indexOf("{"); var st = s.substring(0, idx); var ss = st.split(","); var ds = []; var dts = s.substring(idx + 1, s.length - 1).split(";"); for (var i = 0; i < dts.length; i++) { ds[ds.length] = _13.declaration(dts[i], o) } o.getMediaQueryList = function() { return mql || null }; o.getSelectors = function() { return ss }; o.getSelectorText = function() { return st }; o.getDeclarations = function() { return ds }; o.getPropertyValue = function(n) { for (var i = 0; i < ds.length; i++) { if (ds[i].getProperty() === n) { return ds[i].getValue() } } return null }; return o }, declaration: function(s, r) { var idx = s.indexOf(":"); var p = s.substring(0, idx); var v = s.substring(idx + 1); return { getRule: function() { return r || null }, getProperty: function() { return p }, getValue: function() { return v } } } }; var _19 = function(el) { if (typeof el.cssHelperText !== "string") { return } var o = { mediaQueryLists: [], rules: [], selectors: {}, declarations: [], properties: {} }; var _1a = o.mediaQueryLists; var ors = o.rules; var _1b = el.cssHelperText.match(_3.BLOCKS); if (_1b !== null) { for (var i = 0; i < _1b.length; i++) { if (_1b[i].substring(0, 7) === "@media ") { _1a[_1a.length] = _13.mediaQueryList(_1b[i]); ors = o.rules = ors.concat(_1a[_1a.length - 1].getRules()) } else { ors[ors.length] = _13.rule(_1b[i]) } } } var oss = o.selectors; var _1c = function(r) { var ss = r.getSelectors(); for (var i = 0; i < ss.length; i++) { var n = ss[i]; if (!oss[n]) { oss[n] = [] } oss[n][oss[n].length] = r } }; for (i = 0; i < ors.length; i++) { _1c(ors[i]) } var ods = o.declarations; for (i = 0; i < ors.length; i++) { ods = o.declarations = ods.concat(ors[i].getDeclarations()) } var ops = o.properties; for (i = 0; i < ods.length; i++) { var n = ods[i].getProperty(); if (!ops[n]) { ops[n] = [] } ops[n][ops[n].length] = ods[i] } el.cssHelperParsed = o; _4[_4.length] = el; return o }; var _1d = function(el, s) { el.cssHelperText = _11(s || el.innerHTML); return _19(el) }; var _1e = function() { _5 = true; _4 = []; var _1f = []; var _20 = function() { for (var i = 0; i < _1f.length; i++) { _19(_1f[i]) } var _21 = document.getElementsByTagName("style"); for (i = 0; i < _21.length; i++) { _1d(_21[i]) } _5 = false; _8() }; var _22 = document.getElementsByTagName("link"); for (var i = 0; i < _22.length; i++) { var _23 = _22[i]; if (_23.getAttribute("rel").indexOf("style") > -1 && _23.href && _23.href.length !== 0 && !_23.disabled) { _1f[_1f.length] = _23 } } if (_1f.length > 0) { var c = 0; var _24 = function() { c++; if (c === _1f.length) { _20() } }; var _25 = function(_26) { var _27 = _26.href; _c(_27, function(_28) { _28 = _11(_28).replace(_3.RELATIVE_URLS, "url(" + _27.substring(0, _27.lastIndexOf("/")) + "/$1)"); _26.cssHelperText = _28; _24() }, _24) }; for (i = 0; i < _1f.length; i++) { _25(_1f[i]) } } else { _20() } }; var _29 = { mediaQueryLists: "array", rules: "array", selectors: "object", declarations: "array", properties: "object" }; var _2a = { mediaQueryLists: null, rules: null, selectors: null, declarations: null, properties: null }; var _2b = function(_2c, v) { if (_2a[_2c] !== null) { if (_29[_2c] === "array") { return (_2a[_2c] = _2a[_2c].concat(v)) } else { var c = _2a[_2c]; for (var n in v) { if (v.hasOwnProperty(n)) { if (!c[n]) { c[n] = v[n] } else { c[n] = c[n].concat(v[n]) } } } return c } } }; var _2d = function(_2e) { _2a[_2e] = (_29[_2e] === "array") ? [] : {}; for (var i = 0; i < _4.length; i++) { _2b(_2e, _4[i].cssHelperParsed[_2e]) } return _2a[_2e] }; domReady(function() { var els = document.body.getElementsByTagName("*"); for (var i = 0; i < els.length; i++) { els[i].checkedByCssHelper = true } if (document.implementation.hasFeature("MutationEvents", "2.0") || window.MutationEvent) { document.body.addEventListener("DOMNodeInserted", function(e) { var el = e.target; if (el.nodeType === 1) { _a("DOMElementInserted", el); el.checkedByCssHelper = true } }, false) } else { setInterval(function() { var els = document.body.getElementsByTagName("*"); for (var i = 0; i < els.length; i++) { if (!els[i].checkedByCssHelper) { _a("DOMElementInserted", els[i]); els[i].checkedByCssHelper = true } } }, 1000) } }); var _2f = function(d) { if (typeof window.innerWidth != "undefined") { return window["inner" + d] } else { if (typeof document.documentElement != "undefined" && typeof document.documentElement.clientWidth != "undefined" && document.documentElement.clientWidth != 0) { return document.documentElement["client" + d] } } }; return { addStyle: function(s, _30) { var el = document.createElement("style"); el.setAttribute("type", "text/css"); document.getElementsByTagName("head")[0].appendChild(el); if (el.styleSheet) { el.styleSheet.cssText = s } else { el.appendChild(document.createTextNode(s)) } el.addedWithCssHelper = true; if (typeof _30 === "undefined" || _30 === true) { cssHelper.parsed(function(_31) { var o = _1d(el, s); for (var n in o) { if (o.hasOwnProperty(n)) { _2b(n, o[n]) } } _a("newStyleParsed", el) }) } else { el.parsingDisallowed = true } return el }, removeStyle: function(el) { return el.parentNode.removeChild(el) }, parsed: function(fn) { if (_5) { _7(fn) } else { if (typeof _4 !== "undefined") { if (typeof fn === "function") { fn(_4) } } else { _7(fn); _1e() } } }, mediaQueryLists: function(fn) { cssHelper.parsed(function(_32) { fn(_2a.mediaQueryLists || _2d("mediaQueryLists")) }) }, rules: function(fn) { cssHelper.parsed(function(_33) { fn(_2a.rules || _2d("rules")) }) }, selectors: function(fn) { cssHelper.parsed(function(_34) { fn(_2a.selectors || _2d("selectors")) }) }, declarations: function(fn) { cssHelper.parsed(function(_35) { fn(_2a.declarations || _2d("declarations")) }) }, properties: function(fn) { cssHelper.parsed(function(_36) { fn(_2a.properties || _2d("properties")) }) }, broadcast: _a, addListener: function(n, fn) { if (typeof fn === "function") { if (!_9[n]) { _9[n] = { listeners: [] } } _9[n].listeners[_9[n].listeners.length] = fn } }, removeListener: function(n, fn) { if (typeof fn === "function" && _9[n]) { var ls = _9[n].listeners; for (var i = 0; i < ls.length; i++) { if (ls[i] === fn) { ls.splice(i, 1); i -= 1 } } } }, getViewportWidth: function() { return _2f("Width") }, getViewportHeight: function() { return _2f("Height") } } } (); domReady(function enableCssMediaQueries() { var _37; var _38 = { LENGTH_UNIT: /[0-9]+(em|ex|px|in|cm|mm|pt|pc)$/, RESOLUTION_UNIT: /[0-9]+(dpi|dpcm)$/, ASPECT_RATIO: /^[0-9]+\/[0-9]+$/, ABSOLUTE_VALUE: /^[0-9]*(\.[0-9]+)*$/ }; var _39 = []; var _3a = function() { var id = "css3-mediaqueries-test"; var el = document.createElement("div"); el.id = id; var _3b = cssHelper.addStyle("@media all and (width) { #" + id + " { width: 1px !important; } }", false); document.body.appendChild(el); var ret = el.offsetWidth === 1; _3b.parentNode.removeChild(_3b); el.parentNode.removeChild(el); _3a = function() { return ret }; return ret }; var _3c = function() { _37 = document.createElement("div"); _37.style.cssText = "position:absolute;top:-9999em;left:-9999em;" + "margin:0;border:none;padding:0;width:1em;font-size:1em;"; document.body.appendChild(_37); if (_37.offsetWidth !== 16) { _37.style.fontSize = 16 / _37.offsetWidth + "em" } _37.style.width = "" }; var _3d = function(_3e) { _37.style.width = _3e; var _3f = _37.offsetWidth; _37.style.width = ""; return _3f }; var _40 = function(_41, _42) { var l = _41.length; var min = (_41.substring(0, 4) === "min-"); var max = (!min && _41.substring(0, 4) === "max-"); if (_42 !== null) { var _43; var _44; if (_38.LENGTH_UNIT.exec(_42)) { _43 = "length"; _44 = _3d(_42) } else { if (_38.RESOLUTION_UNIT.exec(_42)) { _43 = "resolution"; _44 = parseInt(_42, 10); var _45 = _42.substring((_44 + "").length) } else { if (_38.ASPECT_RATIO.exec(_42)) { _43 = "aspect-ratio"; _44 = _42.split("/") } else { if (_38.ABSOLUTE_VALUE) { _43 = "absolute"; _44 = _42 } else { _43 = "unknown" } } } } } var _46, _47; if ("device-width" === _41.substring(l - 12, l)) { _46 = screen.width; if (_42 !== null) { if (_43 === "length") { return ((min && _46 >= _44) || (max && _46 < _44) || (!min && !max && _46 === _44)) } else { return false } } else { return _46 > 0 } } else { if ("device-height" === _41.substring(l - 13, l)) { _47 = screen.height; if (_42 !== null) { if (_43 === "length") { return ((min && _47 >= _44) || (max && _47 < _44) || (!min && !max && _47 === _44)) } else { return false } } else { return _47 > 0 } } else { if ("width" === _41.substring(l - 5, l)) { _46 = document.documentElement.clientWidth || document.body.clientWidth; if (_42 !== null) { if (_43 === "length") { return ((min && _46 >= _44) || (max && _46 < _44) || (!min && !max && _46 === _44)) } else { return false } } else { return _46 > 0 } } else { if ("height" === _41.substring(l - 6, l)) { _47 = document.documentElement.clientHeight || document.body.clientHeight; if (_42 !== null) { if (_43 === "length") { return ((min && _47 >= _44) || (max && _47 < _44) || (!min && !max && _47 === _44)) } else { return false } } else { return _47 > 0 } } else { if ("device-aspect-ratio" === _41.substring(l - 19, l)) { return _43 === "aspect-ratio" && screen.width * _44[1] === screen.height * _44[0] } else { if ("color-index" === _41.substring(l - 11, l)) { var _48 = Math.pow(2, screen.colorDepth); if (_42 !== null) { if (_43 === "absolute") { return ((min && _48 >= _44) || (max && _48 < _44) || (!min && !max && _48 === _44)) } else { return false } } else { return _48 > 0 } } else { if ("color" === _41.substring(l - 5, l)) { var _49 = screen.colorDepth; if (_42 !== null) { if (_43 === "absolute") { return ((min && _49 >= _44) || (max && _49 < _44) || (!min && !max && _49 === _44)) } else { return false } } else { return _49 > 0 } } else { if ("resolution" === _41.substring(l - 10, l)) { var res; if (_45 === "dpcm") { res = _3d("1cm") } else { res = _3d("1in") } if (_42 !== null) { if (_43 === "resolution") { return ((min && res >= _44) || (max && res < _44) || (!min && !max && res === _44)) } else { return false } } else { return res > 0 } } else { return false } } } } } } } } }; var _4a = function(mq) { var _4b = mq.getValid(); var _4c = mq.getExpressions(); var l = _4c.length; if (l > 0) { for (var i = 0; i < l && _4b; i++) { _4b = _40(_4c[i].mediaFeature, _4c[i].value) } var not = mq.getNot(); return (_4b && !not || not && !_4b) } }; var _4d = function(mql) { var mqs = mql.getMediaQueries(); var t = {}; for (var i = 0; i < mqs.length; i++) { if (_4a(mqs[i])) { t[mqs[i].getMediaType()] = true } } var s = [], c = 0; for (var n in t) { if (t.hasOwnProperty(n)) { if (c > 0) { s[c++] = "," } s[c++] = n } } if (s.length > 0) { _39[_39.length] = cssHelper.addStyle("@media " + s.join("") + "{" + mql.getCssText() + "}", false) } }; var _4e = function(_4f) { for (var i = 0; i < _4f.length; i++) { _4d(_4f[i]) } if (ua.ie) { document.documentElement.style.display = "block"; setTimeout(function() { document.documentElement.style.display = "" }, 0); setTimeout(function() { cssHelper.broadcast("cssMediaQueriesTested") }, 100) } else { cssHelper.broadcast("cssMediaQueriesTested") } }; var _50 = function() { for (var i = 0; i < _39.length; i++) { cssHelper.removeStyle(_39[i]) } _39 = []; cssHelper.mediaQueryLists(_4e) }; var _51 = 0; var _52 = function() { var _53 = cssHelper.getViewportWidth(); var _54 = cssHelper.getViewportHeight(); if (ua.ie) { var el = document.createElement("div"); el.style.position = "absolute"; el.style.top = "-9999em"; el.style.overflow = "scroll"; document.body.appendChild(el); _51 = el.offsetWidth - el.clientWidth; document.body.removeChild(el) } var _55; var _56 = function() { var vpw = cssHelper.getViewportWidth(); var vph = cssHelper.getViewportHeight(); if (Math.abs(vpw - _53) > _51 || Math.abs(vph - _54) > _51) { _53 = vpw; _54 = vph; clearTimeout(_55); _55 = setTimeout(function() { if (!_3a()) { _50() } else { cssHelper.broadcast("cssMediaQueriesTested") } }, 500) } }; window.onresize = function() { var x = window.onresize || function() {}; return function() { x(); _56() } } () }; var _57 = document.documentElement; _57.style.marginLeft = "-32767px"; setTimeout(function() { _57.style.marginTop = "" }, 20000); return function() { if (!_3a()) { cssHelper.addListener("newStyleParsed", function(el) { _4e(el.cssHelperParsed.mediaQueryLists) }); cssHelper.addListener("cssMediaQueriesTested", function() { if (ua.ie) { _57.style.width = "1px" } setTimeout(function() { _57.style.width = ""; _57.style.marginLeft = "" }, 0); cssHelper.removeListener("cssMediaQueriesTested", arguments.callee) }); _3c(); _50() } else { _57.style.marginLeft = "" } _52() } } ()); try { document.execCommand("BackgroundImageCache", false, true) } catch(e) {}
需要特别说明的是输出后是一堆代码. 需要把Javascript代码格式化一下。
eval(function(p,a,c,k,e,d) 加密JavaScript程序破解方法
2406人参与 |分类: 站长百科|时间: 2016年06月12日
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