[Full-disclosure] Re: 答复: [Full-disclosure] The reason why "Pangolin is backdoor"

I have enough experience with UPX to know that it's a fairly good packer.
If you placed the backdoor into the code yourself, I'm not surprised
that the packed version is UD by most virus-scanner.

Doesn't make it any less of a backdoor.

--
Razi



On 3/27/08, zwell.nosec <zwell.nosec@gmail.com> wrote:
> Just do it yourself pls, using the "backdoored" pangolin.exe you think and
>  decompress it, then upload to virustotal, I did not change any bits ;)
>
>  -----邮件原件-----
>  发件人: Razi Shaban [mailto:razishaban@gmail.com]
>  发送时间: 2008年3月27日 14:32
>  收件人: zwell.nosec
>  抄送: full-disclosure@lists.grok.org.uk; websecurity@webappsec.org
>  主题: Re: [Full-disclosure] The reason why "Pangolin is backdoor"
>
>
>  Wow! Cryptors prevent viruses from being detected?
>
>  Who would have thought!
>
>
>  --
>  Razi
>
>
>  On 3/27/08, zwell.nosec <zwell.nosec@gmail.com> wrote:
>  > Pangolin really is a backdoor? Let's do this step to make sure:
>  >  1.Download UPX from upx.sf.net
>  >  2.In cmd shell, run "upx.exe -d pangolin.exe"
>  >  3.Upload the new pangolin.exe(actually the origin) to virustotal
>  >  4.Check the result again
>  >  I do these, and the result is:
>  >  http://www.virustotal.com/analisis/b9d55c751d5eed7b34cda3fe708b1bd7
>  >
>  >  We can see
>  >
>  Kaspersky,Sophos,F-Secure,CAT-QuickHeal,F-Prot,Ikarus,AntiVir,Prevx1,TheHack
>  >  er,Webwasher-Gateway will not alert any more.
>  >
>  >  You judge what is it! Or maybe we should think about what does these
>  >  Antivirus do???
>  >
>  >  Thanks ;)
>  >
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