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爬虫技术-cookie反爬讲解

作者:互联网

COOkIE反爬虫

1 cookie反爬简介

Cookie 反爬虫指的是服务器端通过校验请求头中的 Cookie 值来区分正常用户和爬虫程序的手段,这种手段被广泛应用在 Web 应用中。

1.1 cookie加密原理

image

2 cookie逆向实践

2.1 逆向目标

2.2 逆向分析

image

通过查看cookie信息发现,该cookie为服务端返回
image

查询发现,cookie值为每次请求首页时返回的
image

2.3 逆向结果

import re
import httpx
from utils import ua


def get_ck():
    url = 'http://www.zjmazhang.gov.cn/hdjlpt/published?via=pc'
    res = httpx.request('GET',url)
    cookie = res.cookies.get('szxx_session')
    token = re.findall(r"var _CSRF = '(.*?)';",res.text)[0]
    return cookie,token

def index():
    c, t = get_ck()
    url = 'http://www.zjmazhang.gov.cn/hdjlpt/letter/pubList'
    headers = {
        'user-agent': ua.FakeChromeUA.get_ua(),
        'X-CSRF-TOKEN': t,
        'Cookie': 'XSRF-TOKEN={};szxx_session={}'.format(t, c)
    }
    data = {
        "offset": "0",
        "limit": "20",
        "site_id": "759010",
    }
    res = httpx.post(url,data=data,headers=headers)
    if res.status_code == 200:
        print(res.text)
    else:
        print('请求错误')

index()

3. cookie逆向实践2

3.1 逆向目标

3.2 逆向分析

3.2.1 定位关键点
(function () {
  Object.defineProperty(document, 'cookie', {
    set: function (val) {
      if (val.indexOf('v') != -1) {
        debugger;
      }
      console.log('Hook捕获到cookie设置->', val);
      return val;
    }
  });
})();

image

cookie存放的2中形式:

headers = {
   cookie:'key1=value1;key2=value2;key3:value3'
}
cookie = {
    'key1': 'value1',
    'key2':'value2'
}
3.2.2 JS调试技巧

从这里可以发现就是整个的文件只有千多行代码,可以采用全复制方式处理cookie

image

注: 有很多的环境需要补,挨个补环境很麻烦,可以使用jsdom这个技术

3.3 逆向结果

点击查看代码
const jsdom = require("jsdom");
const { JSDOM } = jsdom;
const dom = new JSDOM(`<!DOCTYPE html><p>Hello world</p>`);
window=dom.window;
document=window.document;
navigator=window.navigator;
// const express = require('express');
// const app = express();


var _v = {}

var TOKEN_SERVER_TIME = 1656072000.984;
!function(n, t) {
    !function() {
        var r, e, a;
        r = e = a = n;
        var u, c, s;
        u = c = s = t;
        function v() {
            var n = arguments[s[0]];
            if (!n)
                return r[0];
            for (var t = u[1], o = a[1], i = c[2]; i < n.length; i++) {
                var v = n.charCodeAt(i)
                  , f = v ^ o;
                o = v,
                t += e[2].fromCharCode(f)
            }
            return t
        }
        var f = c[3]
          , l = s[4]
          , p = Wn(e[3], r[4], s[5])
          , d = a[5]
          , h = Wn(c[6], s[7])
          , g = c[8]
          , w = c[9]
          , m = r[6]
          , I = u[10]
          , y = a[7]
          , _ = (s[11],
        c[12],
        s[13])
          , C = e[8]
          , E = u[14]
          , A = ot(e[9], e[10])
          , b = a[11]
          , T = u[15]
          , B = c[16]
          , R = r[12]
          , k = r[13]
          , S = s[17]
          , P = u[18]
          , M = Wn(s[19], s[20], u[21])
          , O = v(s[22], e[14])
          , D = s[23]
          , x = s[24]
          , N = u[25]
          , L = u[26]
          , W = Wn(s[27], r[15])
          , F = u[28]
          , Y = r[16]
          , j = a[17]
          , H = e[18]
          , $ = e[19]
          , U = r[20]
          , V = v(c[29], e[21], e[22])
          , X = s[30]
          , G = s[31]
          , K = s[32]
          , Q = s[33]
          , Z = r[23]
          , q = r[24]
          , z = v(u[12], u[34], s[35])
          , J = u[36]
          , nn = a[25]
          , tn = s[37]
          , rn = c[38]
          , en = r[26]
          , an = c[39]
          , on = s[40]
          , un = a[27]
          , cn = u[41]
          , sn = ot(s[42], c[43])
          , vn = r[28]
          , fn = u[8]
          , ln = s[44]
          , pn = a[29]
          , dn = s[45]
          , hn = a[30]
          , gn = c[46]
          , wn = a[31]
          , mn = a[32]
          , In = s[47]
          , yn = r[33]
          , _n = a[34]
          , Cn = c[48]
          , En = a[8]
          , An = v(a[35], s[49])
          , bn = c[50]
          , Tn = c[51]
          , Bn = at(r[36], s[52])
          , Rn = ot(r[37], e[38])
          , kn = e[39]
          , Sn = u[53]
          , Pn = r[40]
          , Mn = s[54]
          , On = s[55]
          , Dn = Wn(u[56], r[41], r[42])
          , xn = r[43]
          , Nn = u[57]
          , Ln = e[44];
        function Wn() {
            return arguments[u[0]].split(e[0]).reverse().join(c[1])
        }
        var Fn = r[45], Yn = Wn(c[58], e[46]), jn = v(s[59], u[60]), Hn = Wn(r[47], s[61]), $n = s[62], Un = s[63], Vn = u[2], Xn = [new u[27](r[48]), new u[27](c[64])], Gn = [new e[47](ot(a[49])), new u[27](ot(a[50], u[65]))], Kn = c[66][f + l] || r[51].getElementsByTagName(p + d)[r[52]], Qn;
        !function(n) {
            n[e[53]] = s[67];
            function t(n) {
                var t = r[51][u[68]]
                  , o = u[69] + n + s[70]
                  , i = t.indexOf(o);
                if (i == -e[54]) {
                    if (o = n + c[70],
                    t.substr(r[52], o.length) != o)
                        return;
                    i = a[52]
                }
                var f = i + o[v(u[71], s[72])]
                  , l = t.indexOf(r[55], f);
                return l == -a[54] && (l = t[a[56]]),
                t.substring(f, l)
            }
            n[a[57]] = f;
            function o(n, t, a, o, i) {
                var c = n + r[58] + t;
                o && (c += e[59] + o),
                i && (c += v(Jn, u[73], s[74]) + i),
                a && (c += u[75] + a),
                u[66][u[68]] = c
            }
            n[s[76]] = t;
            function i(n, t, r) {
                this.setCookie(n, u[1], u[77], t, r)
            }
            n[s[78]] = o;
            function f() {
                var t = a[60];
                this.setCookie(t, u[67]),
                this.getCookie(t) || (n[r[53]] = e[61]),
                this.delCookie(t)
            }
            n[Wn(N, r[62], c[79])] = i
        }(Qn || (Qn = {}));
        var Zn;
        !function(n) {
            var t = u[80], o = v(nn, s[81], u[82]), i = s[67], f, l = u[83][Wn(u[84], e[63])], p, d;
            function g(n) {
                var t = j;
                return t = dn,
                i ? y(n) : f ? w(n) : void u[2]
            }
            function w(n) {
                E(function() {
                    return n = R(n),
                    f.getAttribute(n)
                })()
            }
            function m() {
                try {
                    return !!(o in s[83] && s[83][o])
                } catch (n) {
                    return void u[2]
                }
            }
            function I(n) {
                try {
                    f.removeItem(n)
                } catch (t) {}
            }
            n[c[85]] = C;
            function y(n) {
                try {
                    return f.getItem(n)
                } catch (t) {
                    return u[86]
                }
            }
            n[c[87]] = B;
            function _(n, t) {
                try {
                    f.setItem(n, t)
                } catch (r) {}
            }
            function C() {
                var n = e[64]
                  , r = u[88];
                if (i = m(),
                i)
                    f = a[65][o];
                else if (l[at(e[66])][at(e[67], a[68])])
                    try {
                        p = new ActiveXObject(Wn(a[69], s[89], l)),
                        p.open(),
                        p.write(s[90]),
                        p.close(),
                        d = p.w[e[70]][s[2]][e[71]],
                        f = d.createElement(n + t + r)
                    } catch (c) {
                        f = l.createElement(o),
                        d = l[Wn(u[91], a[72])] || l.getElementsByTagName(s[92])[s[2]] || l[a[73]]
                    }
            }
            function E(n) {
                return function() {
                    d.appendChild(f),
                    f.addBehavior(s[93]),
                    f.load(o);
                    var t = n();
                    return d.removeChild(f),
                    t
                }
            }
            n[c[94]] = g;
            function A(n) {
                var t, r, e;
                if (t = r = e = a,
                i)
                    I(n);
                else {
                    if (!f)
                        return void e[52];
                    b(n)
                }
            }
            function b(n) {
                E(function() {
                    n = R(n),
                    f.removeAttribute(n),
                    f.save(o)
                })()
            }
            function T(n, t) {
                E(function() {
                    n = R(n),
                    f.setAttribute(n, t),
                    f.save(o)
                })()
            }
            n[a[74]] = A;
            function B(n, t) {
                if (void 0 === t)
                    return A(n);
                if (i)
                    _(n, t);
                else {
                    if (!f)
                        return void u[2];
                    T(n, t)
                }
            }
            function R(n) {
                var t = s[95]
                  , e = r[75]
                  , a = new r[47](t + h + e,c[96]);
                return n.replace(new c[27](u[97]), v(s[98], s[99], s[100])).replace(a, c[101])
            }
        }(Zn || (Zn = {}));
        var qn = function() {
            var n, t, r;
            n = t = r = a;
            var e, o, i;
            e = o = i = s;
            var u = o[15]
              , c = o[102]
              , f = e[103];
            function l(r) {
                var a = o[102]
                  , i = e[103];
                this[n[76]] = r;
                for (var u = t[52], c = r[a + g + i]; u < c; u++)
                    this[u] = t[52]
            }
            return l[e[104]][w + m + I + u] = function() {
                for (var a = e[105], u = this[a + y], c = [], s = -e[0], v = o[2], f = u[r[56]]; v < f; v++)
                    for (var l = this[v], p = u[v], d = s += p; c[d] = l & parseInt(t[77], n[78]),
                    --p != r[52]; )
                        --d,
                        l >>= parseInt(n[79], i[106]);
                return c
            }
            ,
            l[v(t[80], t[81], b)][ot(i[107])] = function(n) {
                for (var r = e[8], a = this[ot(e[108], e[109])], o = t[52], u = e[2], s = a[c + r + f]; u < s; u++) {
                    var v = a[u]
                      , l = i[2];
                    do {
                        l = (l << t[82]) + n[o++]
                    } while (--v > t[52]);
                    this[u] = l >>> i[2]
                }
            }
            ,
            l
        }(), zn;
        !function(n) {
            var t = s[13]
              , o = c[53]
              , i = r[83]
              , f = r[84]
              , l = s[110]
              , d = r[85]
              , h = r[86];
            function g(n, a, o, i, u) {
                for (var c = s[13], v = r[87], f = n[s[111]]; a < f; )
                    o[i++] = n[a++] ^ u & parseInt(c + v + t + _, r[88]),
                    u = ~(u * parseInt(e[89], e[82]))
            }
            function w(n) {
                for (var t = c[112], i = r[52], v = n[s[111]], f = []; i < v; ) {
                    var l = n[i++] << parseInt(C + t, c[113]) | n[i++] << e[82] | n[i++];
                    f.push(m.charAt(l >> parseInt(e[90], e[82])), m.charAt(l >> parseInt(s[114], e[78]) & parseInt(a[91], r[88])), m.charAt(l >> u[59] & parseInt(E + o, a[78])), m.charAt(l & parseInt(a[92], u[113])))
                }
                return f.join(e[0])
            }
            for (var m = at(u[115], s[116]), I = {}, y = u[2]; y < parseInt(i + A, e[93]); y++)
                I[m.charAt(y)] = y;
            function O(n) {
                var t, r, e;
                t = r = e = s;
                var o, i, u;
                o = i = u = a;
                for (var c = ot(i[94]), l = e[2], p = n[o[56]], d = []; l < p; ) {
                    var h = I[n.charAt(l++)] << parseInt(at(t[117]), u[82]) | I[n.charAt(l++)] << parseInt(v(t[118], u[95], e[119]), o[88]) | I[n.charAt(l++)] << t[59] | I[n.charAt(l++)];
                    d.push(h >> parseInt(e[120], t[106]), h >> parseInt(t[121], r[122]) & parseInt(f + b + c, t[106]), h & parseInt(o[96], u[88]))
                }
                return d
            }
            function D(n) {
                var t = O(n);
                if (rn,
                p,
                t[r[52]] != h)
                    return error = T + B + l,
                    void 0;
                var a = t[c[0]]
                  , o = [];
                return g(t, +parseInt(e[79], c[122]), o, +u[2], a),
                x(o) == a ? o : void 0
            }
            function x(n) {
                var t = o;
                t = Vn;
                for (var e = c[2], i = a[52], u = n[c[111]]; i < u; i++)
                    e = (e << s[123]) - e + n[i];
                return e & parseInt(s[124], r[88])
            }
            function N(n) {
                var t = et
                  , r = x(n)
                  , e = [h, r];
                return g(n, +a[52], e, +a[88], r),
                t = P,
                w(e)
            }
            n[e[97]] = w,
            n[R + k + S] = O,
            n[u[125]] = N,
            n[d + P + M] = D
        }(zn || (zn = {}));
        var Jn;
        !function(n) {
            var t = Fn
              , o = at(c[126], a[98])
              , i = r[99]
              , f = v(U, u[127])
              , l = s[128]
              , p = ot(a[100])
              , d = r[5]
              , h = r[101]
              , g = ot(u[129])
              , w = s[130]
              , m = r[102]
              , C = a[103]
              , E = e[104];
            function A(n) {
                for (var t = (Tn,
                I,
                []), e = r[52]; e < n[c[111]]; e++)
                    t.push(n.charCodeAt(e));
                return t
            }
            function b() {
                var n = new e[105];
                try {
                    return time = s[52].now(),
                    time / parseInt(c[131], a[88]) >>> c[2]
                } catch (t) {
                    return time = n.getTime(),
                    time / parseInt(s[121], s[84]) >>> r[52]
                }
            }
            function T(n) {
                var t = u[8]
                  , o = {}
                  , i = function(n, o) {
                    var i = c[102], f, l, p, d;
                    for (o = o.replace(s[132], u[1]),
                    o = o.substring(u[0], o[e[56]] - c[0]),
                    f = o.split(c[133]),
                    p = c[2]; p < f[i + t + O]; p++)
                        if (l = f[p].split(v(r[106], c[134])),
                        l && !(l[r[56]] < s[122])) {
                            for (d = r[88]; d < l[r[56]]; d++)
                                l[r[54]] = l[r[54]] + r[107] + l[d];
                            l[s[2]] = new r[47](c[135]).test(l[e[52]]) ? l[a[52]].substring(u[0], l[e[52]][D + x] - c[0]) : l[a[52]],
                            l[r[54]] = new a[47](c[135]).test(l[r[54]]) ? l[e[54]].substring(s[0], l[a[54]][a[56]] - u[0]) : l[s[0]],
                            n[l[c[2]]] = l[e[54]]
                        }
                    return n
                };
                return new r[47](e[108]).test(n) && (o = i(o, n)),
                o
            }
            function B(n) {
                var t, e, a;
                t = e = a = c;
                var u, s, v;
                if (u = s = v = r,
                typeof n === ot(s[109], sn) && n[Wn(y, a[136], s[110])])
                    try {
                        switch (parseInt(n[e[137]])) {
                        case parseInt(a[131], t[122]):
                            break;
                        case parseInt(v[111], s[78]):
                            top[e[138]][v[112]] = n[t[139]];
                            break;
                        case parseInt(u[113], e[122]):
                            top[o + i + N][e[140]] = n[s[114]];
                            break;
                        default:
                            break
                        }
                    } catch (f) {}
            }
            function R(n, t, r) {
                var e, a, o;
                e = a = o = u,
                q ? n.addEventListener(t, r) : n.attachEvent(a[25] + t, r)
            }
            function k() {
                return Math.random() * parseInt(u[141], r[78]) >>> r[52]
            }
            function S(n, t) {
                var o = en
                  , i = new r[47](e[115],a[116]);
                o = T;
                var s = new u[27](v(p, r[117], m));
                if (n) {
                    var f = n.match(i);
                    if (f) {
                        var l = f[u[0]];
                        return t && s.test(l) && (l = l.split(r[118]).pop().split(r[107])[c[2]]),
                        l
                    }
                }
            }
            function P(n) {
                var t = mn
                  , o = c[142]
                  , i = r[119]
                  , v = e[120]
                  , I = a[121];
                if (!(n > e[122])) {
                    n = n || a[52];
                    var y = parseInt(u[143], e[78])
                      , _ = a[51].createElement(u[144]);
                    t = Q,
                    _[c[145]] = location[r[123]] + a[124] + parseInt((new r[105]).getTime() / y) + (f + o + l),
                    _[e[125]] = function() {
                        Vn = u[0],
                        setTimeout(function() {
                            P(++n)
                        }, n * parseInt(e[126], u[84]))
                    }
                    ,
                    _[p + L + d] = _[s[146]] = function() {
                        var n, t, r;
                        n = t = r = a;
                        var e, o, u;
                        e = o = u = c;
                        var s = e[147];
                        this[t[127]] && this[i + W] !== o[148] && this[u[149]] !== o[150] && this[s + F + h] !== u[151] || (Vn = n[52],
                        _[e[152]] = _[g + w + v] = n[128])
                    }
                    ,
                    c[66][m + I].appendChild(_)
                }
            }
            function M(n) {
                var t, e, a;
                t = e = a = r;
                var o, i, u;
                return o = i = u = s,
                new u[27](t[129]).test(n)
            }
            function X() {
                var n = new s[52];
                return typeof TOKEN_SERVER_TIME == s[153] ? r[52] : (time = parseInt(TOKEN_SERVER_TIME),
                time)
            }
            function G(n) {
                var t, e, a;
                t = e = a = s;
                var o, i, u;
                o = i = u = r;
                for (var c = u[52], v = a[2], f = n[o[56]]; v < f; v++)
                    c = (c << a[123]) - c + n.charCodeAt(v),
                    c >>>= o[52];
                return c
            }
            function K(n) {
                var t = new s[27](e[130],s[80]);
                if (n) {
                    return n.match(t)
                }
            }
            function Z(n) {
                var t = new u[27](c[154]);
                if (M(n))
                    return n;
                var o = t.test(n) ? -a[86] : -parseInt(r[79], e[88]);
                return (tn,
                _,
                n.split(s[155])).slice(o).join(a[131])
            }
            n[Y + C + j] = T,
            t = En,
            n[c[156]] = P,
            n[ot(u[157])] = B,
            n[r[132]] = A,
            n[c[158]] = G,
            n[c[159]] = k,
            n[r[133]] = M,
            n[s[160]] = Z,
            n[E + H] = S,
            n[$ + U] = K,
            n[s[161]] = z,
            n[s[162]] = b,
            n[r[134]] = X;
            var q = !!a[65][a[135]];
            function z(n) {
                for (var t = v(O, u[163]), a = e[136], o = s[2], i = n[V + t + a] - s[0]; i >= r[52]; i--)
                    o = o << r[54] | +n[i];
                return o
            }
            n[u[164]] = R
        }(Jn || (Jn = {}));
        var nt;
        !function(n) {
            var t = u[165]
              , o = a[137]
              , i = at(s[166], s[167])
              , v = u[168]
              , f = a[138]
              , l = c[169]
              , p = ot(s[170], B)
              , d = a[52]
              , h = r[52]
              , g = c[2]
              , w = c[2]
              , m = c[2]
              , I = s[2]
              , y = s[67]
              , _ = t + X in s[66].createElement(s[171]) ? o + G + i : s[172]in c[66] ? u[173] : v + K + f + Q;
            Jn.eventBind(s[66], _, S),
            Jn.eventBind(a[51], r[139], T),
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}(["", 9527, String, Boolean, "eh", "ad", "Bu", "ileds", "1", "\b", Array, "7", "base", "64De", "\u2543\u252b", "etatS", "pa", "e", "FromUrl", "getOrigi", "nFromUrl", "\u255b\u253e", "b?\x18q)", "ic", "k", "sted", "he", "wser", "oNo", "ckw", "ent", "hst", "^And", "RM", "systemL", 5, "\u255f\u0978\u095b\u09f5", "TR8", "!'", "gth", "er", "TP", 83, "r", !0, "v", "v-nixeh", RegExp, "thsi.cn", 'K\x19"]K^xVV', "KXxAPD?\x1b[Y", document, 0, "allow", 1, "; ", "length", "Init", "=", "; domain=", "checkcookie", !1, "eikooCled", "tnemucod", "d", window, "\u2553\u0972\u0959\u09e4\u09bd\u0938\u0980\u09c5\u09b1\u09d1\u09a7\u09dc\u09dd\u09d3\u09c2", "\u2556\u0979\u095e\u09d3\u09b5\u0935\u098f\u09c7\u099d\u09d2\u09b0", 23, "l$P$~", "frames", "ducument", "ydob", "documentElement", "del", "@[\\]^`{|}~]", "base_fileds", "255", 10, "10", 39, "\u2547\u2535\u255a\u252e\u2541\u2535\u254c\u253c\u2559", 8, "4", "3", "de", 3, "11", 2, "203", "22", "111111", "3f", 16, "\x0f", "\u2506\u2537\u2507\u2537", "11111111", "base64Encode", "v\x1d", "ati", "WY", "te", "bo", "rs", "getHost", Date, "{DF", ":", "^{.*}$", "WU<P[C", 52, "1001", "href", "1111101010", "redirect_url", "^\\s*(?:https?:)?\\/{2,}([^\\/\\?\\#\\\\]+)", "i", "\u256c\u252c\u2516\u254b", "@", "ready", "change", "dy", 7, "protocol", "//s.thsi.cn/js/chameleon/time.1", "onerror", "2000", "readyState", null, "^(\\d+\\.)+\\d+$", "^\\s*(?:(https?:))?\\/{2,}([^\\/\\?\\#\\\\]+)", ".", "strToBytes", "isIPAddr", "serverTimeNow", "addEventListener", "th", "wh", "Scro", "mousemove", 55, "evomhcuot", "[[?PVC\x0e", "getMouseMove", '_R"xWB%Po_3YT', "getMouseClick", "ght", "gin", "msD", "ack", "\u2556\u096b\u095f", "Nativ", "^A", "MozSettingsEvent", "safari", "ActiveXObject", "postMessage", "Uint8Array", "WeakMap", "Google Inc.", "vendor", "chrome", "python", "sgAppName", "JX", 6, "me", "LBBROWSER", "w4", "2345Explorer", "TheWorld", "\u2544", 40, "tTr", "\u2506", "navigator", "webdriver", "languages", "taborcA|FDP", "\u2541\u097c\u0949", 95, "1e0", "e Cli", "iso-8859-1", "defaultCharset", "localStorage", "^Win64", "^Linux armv|Android", "^iPhone", "^iPad", "B_{VV", "getPluginNum", "getBrowserFeature", "12", "16", "sE", "10000", "17", "\u2542\u2532\u2556\u2537\u2543\u2526", "\x1cx`R", 2333, "XMLH", "ers", "0", "lo", 57, "ylppa", "error", "target", "click", "unload", "HE9AWT9Y", "\\.", "c?", "$", "/", "fetch", "prototype", "url", "\u2556\u0971\u0956\u09fe\u09a7", "headers", "\u256b\u2554", 79, "?", "^(.*?):[ \\t]*([^\\r\\n]*)\\r?$", "gm", "s", "src", "analysisRst", "\u255e\u0973\u0949\u09f4\u09a2\u0929\u09ac\u09d4\u0992\u09d2\u09b0\u09d4", "appendChild", "Y", "jsonp_ignore", "^", 70, "421", "XH>a", "\u2574\u253c\u257d\u2530\u2575\u2539\u257c\u2533\u257d\u2522\u256e\u2521\u2560\u2524\u2561\u2525", "CHAMELEON_LOADED"], [1, "", 0, "he", "ad", 29, "\x180G\x1f", "?>=<;:\\\\/,+", "ng", "to", "ff", Number, Error, "11", "6", "er", "ro", "code", "co", "_?L", "ed", "@S\x15D*", Object, "len", "gth", "on", "lo", RegExp, "ySta", 13, "eel", "ee", "ouse", "ll", "\u2544\u2530\u2555\u2531", "FCm-", "isTru", "getC", "Pos", "ve", "or", "ae", "^", "On", "Sho", "can", "ont", "roid", "anguage", "\u2502", "ta", "tna", Date, "3", "am", "e", "n+", "f80", "\x1dD", 6, "\u255f\u253a\u2542\u252b\u2545\u2568\u251e", "KCABLLAC_NOELEMAHC", "X-Antispider-Message", 3, ".baidu.", Function, document, !0, "cookie", "; ", "=", 96, "\u255b\u253e\u2550\u2537\u2543\u252b", "\u250c\u252c\u255c\u253d\u2549\u2521\u251c", ";O", "; expires=", "getCookie", "Thu, 01 Jan 1970 00:00:00 GMT", "setCookie", "Z\x18|", "i", "\u255b\u2534\u2557\u2536\u255a\u2509\u257d\u2512\u2560\u2501\u2566\u2503", 52, window, 10, "Init", !1, "set", "v", "eliflmth", '<script>document.w=window<\/script><iframe src="/favicon.icon"></iframe>', "iS.p", "head", "#default#userData", "get", "[!\"#$%&'()*", "g", "^d", "$D", "\u2568\u2537\u2568\u254c\u256a", "]\\P", "___", "le", "th", "prototype", "base_f", 8, "\\R5Z\\R\x14@^Q3G", "ZV%PgQ?Y]S%", 67, "r", "length", "0", 16, "12", "\u2576\u095f\u0979\u09d5\u0995\u091b\u09a9\u09f9\u09bd\u09f7\u0989\u09fd\u09f5\u09f3\u09f9\u0a41\u0a4d\u098f\u0999\u0905\u0975\u09cb\u09a9\u09a9\u099d\u0927\u0933\u0913\u0a6b\u0999\u09a3\u0937\u098b\u09f5\u0933\u0a7b\u091b\u09b1\u0a63\u095f\u09fb\u094d\u0993\u0943\u092b\u0949\u09a3\u09e7\u09cb\u0925\u0993\u09ab\u09f0\u092c\u092c\u0942\u0950\u09c8\u0944\u09c6\u0990\u0944\u09cb\u098e", "i,", "\u2505\u092f", 12, 56, "20", "1000", 2, 5, "11111111", "encode", "\u255b\u0972\u0959", "\u2519", "s", "WY$PYS", "ystate", "1111101000", / /g, ",", "\u250d", '^".*"$', "edoc_sutats", "status_code", "location", "redirect_url", "href", "4294967295", "j", "1200000", "script", "src", "onreadystatechange", "read", "loaded", "readyState", "complete", "interactive", "onload", "undefined", "\\.com\\.cn$|\\.com\\.hk$", ".", "getServerTime", 'YY7YAD?FjD"', "strhash", "random", "getRootDomain", "booleanToDecimal", "timeNow", "\u2559\u253e", "eventBind", "onwh", "\u255b", 46, "DOMM", "cl", "T^5^", "div", "onmousewheel", "mousewheel", 51, "keydown", "clientY", "getKeyDown", "ch", "plu", "\u2543\u252b", "ouc", "art", "^i", "Po", "callPhantom", "max", "Hei", "ActiveXObject", "nd", "yG&Y]\x17\x15ZUG#A]Ez\x15qY5\x1b", "\u2576\u097e\u094e\u09f8\u09a6\u0938\u09b6\u09fe\u0996\u09d7\u09a7\u09d2\u09cc", "Maxthon", "Q", "opr", "chrome", "BIDUBrowser", "QQBro", "[_$ZUR", "UBrowser", "MSGesture", "plugins", "doNotTrack", "ShockwaveFlash.ShockwaveFlash", "]C|\x18", "webgl2", "platform", "name", "^Win32", "^MacIntel", "^Linux [ix]\\d+", "^BlackBerry", "language", "getPlatform", "getBrowserIndex", "1", "10", 4, 9, "1100", "\t\0", "3c", 256, "w", "TTP", "et", "c", "al", "\u255e", "base", "\u2569\u0975\u094e\u09e5\u09a0\u092e\u09d1\u09ed\u09ce", "target", "fh%PTQr", "#", "\u255f\u097c\u0949\u09f9", 97, "rg", "tnemelEcrs", "fn_Ws", "parentNode", "tagName", "A", "submit", "PX%", "me", "host", "\\.?", "d\x19", "Fri, 01 Feb 2050 00:00:00 GMT", "]E%", "toString", "[object Request]", "headers", 83, "&", encodeURIComponent, "open", "getAllResponseHeaders", "4", "tseuqeRpttHLMX", "Window", "\u2564\u095e", "RI", "\u2550\u0953", "(YaZ", "_", "_str", "V587"]);


function get_cookie() {
    return _v.xialuo()
}

console.log(get_cookie());


// app.get('/',(req, res)=>{
//
//     // req 获取客户端参数  给JS
//     jjs = req.query.data;
//     console.log(jjs);
//
//     res.send({'v':get_cookie()})
//
// })
//
//
//
//
// app.listen(8000,()=>{
//     console.log('服务开启,8000')
// });



var _ss ;
const jsdom = require("jsdom");
const { JSDOM } = jsdom;
const dom = new JSDOM(`<!DOCTYPE html><p>Hello world</p>`);
window = dom.window
document = window.document
navigator = window.navigator
3.3.1 python程序模拟
# encoding: utf-8
"""
@author: 夏洛
@QQ: 1972386194
@file: ths.py
"""

import requests,execjs
# http://q.10jqka.com.cn/

with open('qq.js',encoding='utf-8') as f:
    x = f.read()

v = execjs.compile(x).call('getCookie')

def get_data():
    headers = {
    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
    "Accept-Encoding": "gzip, deflate",
    "Accept-Language": "zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-TW;q=0.6",
    "Cache-Control": "max-age=0",
    "Connection": "keep-alive",
    "Cookie": "v={}".format(v),
    "Host": "q.10jqka.com.cn",
    "Upgrade-Insecure-Requests": "1",
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.60 Safari/537.36"
}
    url = 'http://q.10jqka.com.cn/index/index/board/all/field/zdf/order/desc/page/3/ajax/1/'
    res = requests.get(url,headers=headers)
    print(res.text)

get_data()

4. jsdom技术

参考地址:https://github.com/jsdom/jsdom/wiki/jsdom-中文文档

jsdom是一个纯粹由 javascript 实现的一系列 web标准,特别是 WHATWG 组织制定的DOMHTML 标准,用于在nodejs中使用。大体上来说,该项目的目标是模拟足够的Web浏览器子集,以便用于测试和挖掘真实世界的Web应用程序

4.1 环境安装

npm install jsdom --save

4.2 基本使用

const jsdom = require("jsdom");
const { JSDOM } = jsdom;
const dom = new JSDOM(`<!DOCTYPE html><p>Hello world</p>`);
title = dom.window.document.querySelector("p").textContent
console.log(title)

5. cookie逆向实战3

5.1 逆向目标

5.2 逆向分析

直接用代码带上参数请求这个接口,发现并没有给我们数据,而是给了一段js。但是这个js可以明显的看到,set了一个cookie,acw_sc__v2,接下来就简单了,直接分析这段js就好了

image

5.2.1 JS还原

使用一键ob还原工具,对代码进行处理

链接:https://pan.baidu.com/s/1y5jddKB6qic_rLufNIyaXw 
提取码:z5xs

使用方式:

切换到 decodeObfuscator-main 目录,命令行模式下运行

node main.js
5.2.2 JS 调试分析

image

image

image

5.3 逆向结果

5.3.1 Js还原
点击查看代码
var arg1 = 'E2CB24F3F7F7015803D65B38E2030B2ED832C29B'; // 需要去网页提取

function ss(arg1){
    var _0x5e8b26 = '3000176000856006061501533003690027800375'  // 基本上不变
    String['prototype']['unsbox'] = function() {
            var _0x4b082b = [0xf, 0x23, 0x1d, 0x18, 0x21, 0x10, 0x1, 0x26, 0xa, 0x9, 0x13, 0x1f, 0x28, 0x1b, 0x16, 0x17, 0x19, 0xd, 0x6, 0xb, 0x27, 0x12, 0x14, 0x8, 0xe, 0x15, 0x20, 0x1a, 0x2, 0x1e, 0x7, 0x4, 0x11, 0x5, 0x3, 0x1c, 0x22, 0x25, 0xc, 0x24];
        var _0x4da0dc = [];
        var _0x12605e = '';
        for (var _0x20a7bf = 0x0; _0x20a7bf < _0x4b082b.length; _0x20a7bf++) {
            var _0x385ee3 = this[_0x20a7bf];
            for (var _0x217721 = 0x0; _0x217721 < _0x4b082b['length']; _0x217721++) {
                if (_0x4b082b[_0x217721] == _0x20a7bf + 0x1) {
                    _0x4da0dc[_0x217721] = _0x385ee3;
                }
            }
        }
        _0x12605e = _0x4da0dc['\x6a\x6f\x69\x6e']('');
        return _0x12605e;
    }
    String['prototype']['hexXor'] = function(_0x4e08d8) {
        var _0x5a5d3b = '';
        for (var _0xe89588 = 0x0; _0xe89588 < this['length'] && _0xe89588 < _0x4e08d8['length']; _0xe89588 += 0x2) {
            var _0x401af1 = parseInt(this['slice'](_0xe89588, _0xe89588 + 0x2), 0x10);
            var _0x105f59 = parseInt(_0x4e08d8['slice'](_0xe89588, _0xe89588 + 0x2), 0x10);
            var _0x189e2c = (_0x401af1 ^ _0x105f59)['toString'](0x10);
            if (_0x189e2c['length'] == 0x1) {
                _0x189e2c = '\x30' + _0x189e2c;
            }
            _0x5a5d3b += _0x189e2c;
        }
        return _0x5a5d3b;
    }
    var _0x23a392 = arg1['unsbox']();
    arg2 = _0x23a392['hexXor'](_0x5e8b26);  // 需要验证的
    acw_sc__v2 = arg2
    return acw_sc__v2
   // console.log(acw_sc__v2);
}

console.log(ss(arg1));

5.3.2 python还原
import re
import execjs
import requests

url = 'https://sh.esfxiaoqu.zhuge.com/'
headers = {
    "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
    "Accept-Encoding": "gzip, deflate, br",
    "Accept-Language": "zh-CN,zh;q=0.9",
    "Cache-Control": "no-cache",
    "Connection": "keep-alive",
    "Host": "sh.esfxiaoqu.zhuge.com",
    "Pragma": "no-cache",
    "sec-ch-ua": "\"Chromium\";v=\"104\", \" Not A;Brand\";v=\"99\", \"Google Chrome\";v=\"104\"",
    "sec-ch-ua-mobile": "?0",
    "sec-ch-ua-platform": "\"Windows\"",
    "Sec-Fetch-Dest": "document",
    "Sec-Fetch-Mode": "navigate",
    "Sec-Fetch-Site": "same-origin",
    "Sec-Fetch-User": "?1",
    "Upgrade-Insecure-Requests": "1",
    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36"
}

def get_complete_cookie():
    complete_cookie = {}
    # 第一次不带参数访问首页,获取 acw_tc 和 acw_sc__v2
    response = requests.get(url=url, headers=headers)
    complete_cookie.update(response.cookies.get_dict())
    arg1 = re.findall("arg1='(.*?)'", response.text)[0]
    with open('tiaoshi.js', 'r', encoding='utf-8') as f:
        acw_sc_v2_js = f.read()
    acw_sc__v2 = execjs.compile(acw_sc_v2_js).call('xl', arg1)
    complete_cookie.update({"acw_sc__v2": acw_sc__v2})
    # 第二次访问首页,获取其他 cookies
    response2 = requests.get(url=url, headers=headers, cookies=complete_cookie)
    complete_cookie.update(response2.cookies.get_dict())
    return complete_cookie

if __name__ == '__main__':
    complete_cookie = get_complete_cookie()

标签:function,return,反爬,爬虫,52,parseInt,cookie,var,new
来源: https://www.cnblogs.com/feng0815/p/16654454.html