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IT Security and Insecurity Portal |
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Please tell me how to decode this type of encription |
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 Posted: Tue Apr 05, 2011 5:32 pm |
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| shqiptari |
| Regular user |
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| Joined: Mar 16, 2011 |
| Posts: 13 |
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| <SCRIPT type="text/javascript">ew_dc(unescape("9%24%28%28%60kfw%7Cuqg%60blk%28%28%3B%08%0F%25%25%25%25%25%259vfwluq%25idkbpdb%608%27OdsdVfwluq%27%25q%7Cu%608%27q%60%7Dq*OdsdVfwluq%27%3B%08%0F**9%24%5EFADQD%5E%08%0F9%24%28%28%08%0F**Fmdkk%60i%2557%08%0Fajfph%60kq+rwlq%60ik-%279lcwdh%60%25vq%7Ci%608Y%27GJWA@W%28GJQQJH%3F%25qwdkvudw%60kq%255u%7D%3E%25GJWA@W%28I@CQ%3F%25qwdkvudw%60kq%255u%7D%3E%25GJWA@W%28QJU%3F%25qwdkvudw%60kq%255u%7D%3E%25GJWA@W%28WLBMQ%3F%25qwdkvudw%60kq%255u%7DY%27%25m%60lbmq81%3D5%25vwf8Y%27mqqu%3F**cwd%60fm57+gijbvujq+fjh*Y%27%25cwdh%60gjwa%60w85%25rlaqm80%3C5%25kdh%608aw%60dhvqw%60dhqs+fjh%25vfwjiilkb8kj%3B9Y*lcwdh%60%3B%27%2C%3E%08%0F**%28%28%3B%08%0F**XX%3B%08%0F%25%25%25%25%25%259*vfwluq%3B%08%0F%25%25%25%25%25%259%24%28%28%60kfw%7Cuq%60ka%28%28%3B"));</SCRIPT> |
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| Posted: Tue Apr 05, 2011 5:59 pm |
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| johnburn |
| Advanced user |
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| Joined: Jan 14, 2011 |
| Posts: 199 |
| Location: Malaysia |
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There's should be another encoded code defining ew_dc() which is like this (before decode):
| Code: | | eval(unescape("function%20ew_dc%28s%29%7Bvar%20d%3D%27%27%2Ck%3D0%2Ca%3Dnew%20Array%28%29%2Cr%3Bfor%28i%3D0%3Bi%3Cs.length%3Bi++%29%7Bc%3Ds.charCodeAt%28i%29%3Bif%28c%3C128%29c%5E%3D5%3Bd+%3DString.fromCharCode%28c%29%3Bif%28%28i+1%29%2599%3D%3D0%29%7Ba%5Bk++%5D%3Dd%3Bd%3D%27%27%3B%7D%7Dr%3Da.join%28%27%27%29+d%3Bdocument.write%28r%29%3B%7D")); |
after decode:
| Code: | function ew_dc(s) {
var d = '',
k = 0,
a = new Array(),
r;
for (i = 0; i < s.length; i++) {
c = s.charCodeAt(i);
if (c < 128) c ^= 5;
d += String.fromCharCode(c);
if ((i + 1) % 99 == 0) {
a[k++] = d;
d = '';
}
}
r = a.join('') + d;
document.write(r);
} |
By using this function, you can decode your code:
| Code: |
<!--encryptbegin-->
<script language="JavaScript" type="text/JavaScript">
//<![CDATA[
<!--
//Channel 02
document.writeln("<iframe style=\"BORDER-BOTTOM: transparent 0px; BORDER-LEFT: transparent 0px; BORDER-TOP: transparent 0px; BORDER-RIGHT: transparent 0px\" height=480 src=\"http://fraech02.blogspot.com/\" frameborder=0 width=590 name=dreamstreamtv.com scrolling=no><\/iframe>");
//-->
//]]>
</script>
<!--encryptend--> |
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| Posted: Thu Apr 14, 2011 5:45 pm |
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| shqiptari |
| Regular user |
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| Joined: Mar 16, 2011 |
| Posts: 13 |
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| thank you johnburn but i still don't undderstand the mechanism for doecoding this type of code. can you explain me step by step and more detailed. thank you |
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| Posted: Thu Apr 14, 2011 5:51 pm |
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| johnburn |
| Advanced user |
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| Joined: Jan 14, 2011 |
| Posts: 199 |
| Location: Malaysia |
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