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Message-ID: <8e5ffb560601051312w786b48a4qa633c89d19d02271@mail.gmail.com>
Date: Fri, 6 Jan 2006 02:57:33 +0545
From: Bipin Gautam <gautam.bipin@...il.com>
To: NaPa <napa@...uritynation.com>
Cc: bipin gautam <visitbipin@...mail.com>,
	Vulnerability Development <vuln@...uritynation.com>,
	vulnwatch@...nwatch.org, bugtraq@...urityfocus.com,
	full-disclosure@...ts.grok.org.uk
Subject: Re: RE: Download Accelerator Plus can be tricked to
	download malicious file

>All mirrors from DAP were in speedbit server, and were validated as
>Application Servers like (twcows, downloads.com, etc) so there's no
>matter about corrupted or backdoored file as I see.

ok agreed.....

but sorry for my ignorance but.... who are responsible to keep track
of the integrity of all these mirrors 24/7............ I don't think
all of them will meet all the strict standards and is truly as
responsible as that of download.microsoft.com

(for DAP users, win2003 sp1 has 12 different mirrors except
download.microsoft.com)

definately won't be recomended by microsoft..... its like accepting M$
patches from NON M$ servers. Moreover, in my test... i was getting the
whole file from just one mirror server instead of different parts
which could have reduced the chance of a successful code execution
even in case of infection in one of those.

Tens of mirror could mean tens of potential ways to look for for a
successful break-in.Anyways... this discussion will just fade away
until someone really intrested will decide to see if he/she can hack
into one of those.

regards,
-bipin
On 1/6/06, NaPa <napa@...uritynation.com> wrote:
>
> Here Is The investigation about DAP, as I see there's no problem and no flaw
> at this time, but someone can act as a Proxy and replace some text mirrors
> form the list that Mirrorssearch.speedbit.com response. On this way could a
> user download some malicious file without knowledge.
>
>
> Affected: Every version. This is not a flaw of the application, if is vuln
> is a flaw with networking or other intrusion method.
>
>
> All mirrors from DAP were in speedbit server, and were validated as
> Application Servers like (twcows, downloads.com, etc) so there's no matter
> about corrupted or backdoored file as I see.
>
> Regards
> Luis Alberto Cortes Zavala
>
> Conection host: 212.143.22.20 speedbit.com
>
> ##REQUEST###################################################################
> #################
>
> GET
> /cgi-bin/MirrorSearch.dll?ver9?Scheme=3&Site=domain.com&Path=path/to/file.zi
> p&Filename=filename.zip&Size=4294967295&Pos=0&Country=&Region=&R=0&Advanced=
> 1&Checksum=&BPS=0&V=7.5.1.6&DMD=028b05e62dc625aa456c43ac286a9326&D4=X0VGUg==
> &REF=&MID=ezI1Qzk5RjRBLTg5MUItNDUwNC05MEE5LUFDODg0NEY2MjExOH17NjU1NTk3NEMtN0
> M4NS00ZTEzLUE5REUtNTBGNzdFRERBMkMyfQ==&SS=&SE=AAQAKgQAABAAKgIAABQAUgEAABUAUg
> IAABYAUgMAABcAUgAA&SN=0&SV=3 HTTP/1.1
> Host: mirrorsearch.speedbit.com
> Accept: */*
> User-Agent: DA 7.0 (L0)
> Connection: Close
> Range: bytes=0-
>
> ##RESPONSE##################################################################
> #################
> HTTP/1.1 302 Object Moved
> Content-Length: 359
> Content-Type: text/html
> Location:
> http://212.143.22.90/cgi-bin/FilenameSearch.dll?ver5?Filename=filename.ZIP&S
> ize=-1&Country=&Region=&Scheme=3&Site=domain.net&Path=path/to/file.zip&R=0&A
> dvanced=1&Checksum=&BPS=0&V=7.5.1.6&
> X-Powered-By: ASP.NET
> Date: Thu, 05 Jan 2006 19:02:49 GMT
> Connection: close
>
> <head><title>Document Moved</title></head>
> <body><h1>Object Moved</h1>This document may be found <a
> HREF="http://212.143.22.90/cgi-bin/FilenameSearch.dll?ver5?Filename=FILENAME
> .ZIP&amp;Size=-1&amp;Country=&amp;Region=&amp;Scheme=3&amp;Site=DOMAIN.COM&a
> mp;Path=PATH/TO/FILE.zip&amp;R=0&amp;Advanced=1&amp;Checksum=&amp;BPS=0&amp;
> V=7.5.1.6&amp;">here</a></body>HTTP/1.1 200 OK
> Connection: close
> Date: Thu, 05 Jan 2006 19:02:50 GMT
> X-Powered-By: ASP.NET
>
> ##REQUEST###################################################################
> ##############
> GET
> /cgi-bin/FilenameSearch.dll?ver5?Filename=filename.ZIP&Size=-1&Country=&Regi
> on=&Scheme=3&Site=domain.com&Path=path/to/file.zip&R=0&Advanced=1&Checksum=&
> BPS=0&V=7.5.1.6& HTTP/1.1
> Host: 212.143.22.90
> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; es-AR; rv:1.8)
> Gecko/20051111 Firefox/1.5
> Accept:
> text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=
> 0.8,image/png,*/*;q=0.5
> Accept-Language: es-ar,es;q=0.8,en-us;q=0.5,en;q=0.3
> Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
> Keep-Alive: 300
> Proxy-Connection: keep-alive
>
> ###RESPONSE#################################################################
> ##############
>
> HTTP/1.1 200 OK
> Connection: close
> Date: Thu, 05 Jan 2006 19:03:38 GMT
> X-Powered-By: ASP.NET
> <?xml version="1.0"?>
> <RES>
> <URLLIST>
> </URLLIST>
> <MISC>
> <TOTALRETURNEDRESULTS> 0 </TOTALRETURNEDRESULTS>
> <SEARCHTIME> 0</SEARCHTIME>
> <COPYRIGHT>Copyright (C) 1999-2003 SpeedBit Ltd. All specifications are
> subject to change. All trademarks are the property of their respective
> owners</COPYRIGHT>
> </MISC><DESCRIPTION/>
> </RES>
>
>
>
> #############################WINZIP EXAMPLE
> ##############################################
> #############################REQUEST########################################
> ##############
> GET
> /cgi-bin/MirrorSearch.dll?ver9?Scheme=3&Site=download.winzip.com&Path=/winzi
> p100.exe&Filename=winzip100.exe&Size=4294967295&Pos=0&Country=&Region=&R=0&A
> dvanced=1&Checksum=&BPS=0&V=7.5.1.6&DMD=028b05e62dc625aa456c43ac286a9326&D4=
> RV9YSQ==&REF=&MID=ezI1Qzk5RjRBLTg5MUItNDUwNC05MEE5LUFDODg0NEY2MjExOH17NjU1NT
> k3NEMtN0M4NS00ZTEzLUE5REUtNTBGNzdFRERBMkMyfQ==&SS=&SE=AAwAKgIAAAoAKgQAAB4ALn
> EXAB4ABQQAACQALjQnACQAMwQAACYAWwQAACgANwQAASkAN7sEAS8AWwEAAC8AWwIAADEABQQA&S
> N=0&SV=3 HTTP/1.1
> Host: mirrorsearch.speedbit.com
> Accept: */*
> User-Agent: DA 7.0 (L0)
> Connection: Close
> Range: bytes=0-
> ############################RESPONSE########################################
> ##############
> HTTP/1.1 302 Object Moved
> Content-Length: 368
> Content-Type: text/html
> Location:
> http://212.143.22.130/cgi-bin/FilenameSearch.dll?ver5?Filename=WINZIP100.EXE
> &Size=-1&Country=&Region=&Scheme=3&Site=download.winzip.com&Path=/winzip100.
> exe&R=0&Advanced=1&Checksum=&BPS=0&V=7.5.1.6&
> X-Powered-By: ASP.NET
> Date: Thu, 05 Jan 2006 19:23:34 GMT
> Connection: close
>
> <head><title>Document Moved</title></head>
> <body><h1>Object Moved</h1>This document may be found <a
> HREF="http://212.143.22.130/cgi-bin/FilenameSearch.dll?ver5?Filename=WINZIP1
> 00.EXE&amp;Size=-1&amp;Country=&amp;Region=&amp;Scheme=3&amp;Site=download.w
> inzip.com&amp;Path=/winzip100.exe&amp;R=0&amp;Advanced=1&amp;Checksum=&amp;B
> PS=0&amp;V=7.5.1.6&amp;">here</a></body>HTTP/1.1 200 OK
> Connection: close
> Date: Thu, 05 Jan 2006 19:23:34 GMT
> X-Powered-By: ASP.NET
> #############################REQUEST########################################
> #############
> GET
> /cgi-bin/FilenameSearch.dll?ver5?Filename=WINZIP100.EXE&Size=-1&Country=&Reg
> ion=&Scheme=3&Site=download.winzip.com&Path=/winzip100.exe&R=0&Advanced=1&Ch
> ecksum=&BPS=0&V=7.5.1.6& HTTP/1.1
> ost: 212.143.22.130
> Accept: */*
> User-Agent: DA 7.0
> Connection: Close
> Range: bytes=0-
> Referer:
> http://mirrorsearch.speedbit.com/cgi-bin/MirrorSearch.dll?ver9?Scheme=3&Site
> =download.winzip.com&Path=/winzip100.exe&Filename=winzip100.exe&Size=4294967
> 295&Pos=0&Country=&Region=&R=0&Advanced=1&Checksum=&BPS=0&V=7.5.1.6&DMD=028b
> 05e62dc625aa456c43ac286a9326&D4=RV9YSQ==&REF=&MID=ezI1Qzk5RjRBLTg5MUItNDUwNC
> 05MEE5LUFDODg0NEY2MjExOH17NjU1NTk3NEMtN0M4NS00ZTEzLUE5REUtNTBGNzdFRERBMkMyfQ
> ==&SS=&SE=AAwAKgIAAAoAKgQAAB4ALnEXAB4ABQQAACQALjQnACQAMwQAACYAWwQAACgANwQAAS
> kAN7sEAS8AWwEAAC8AWwIAADEABQQA&SN=0&SV=3
> ############################FINAL
> RESPONSE################################################
>
>
> HTTP/1.1 200 OK
> Connection: close
> Date: Thu, 05 Jan 2006 19:23:53 GMT
> X-Powered-By: ASP.NET
>
> <?xml version="1.0"?>
> <RES>
> <URLLIST>
> <URL size="5834344" fullurl
> ="http://winzip.softonic.com/free_download.phtml?step=down&id_file=9840&dest
> url=http%3A%2F%2Fdownload.winzip.com%2Fwinzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://chariot.tucows.com/files4/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://tucows.easynet.net/files4/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://www.softonic.com/free_download.phtml?step=down&id_file=9840&desturl
> =http%3A%2F%2Fdownload.winzip.com%2Fwinzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://downloads.pcworld.com/pub/new/utilities/compression/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://veridas.tucows.com/files4/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://descargas.entrebits.com/d1/100/1/15869/winzip100.exe"
> checksum="bca5affe0259f4ff71c1c70ffa3af857"></URL>
> <URL size="5834344" fullurl
> ="http://web.volftp.tiscali.it/pub/pc/windows/win98/utility/packing/zip/winz
> ip100.exe" checksum="bca5affe0259f4ff71c1c70ffa3af857"></URL>
> <URL size="5834344" fullurl ="http://dl.winzip.com/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://linux4.wekanet-team.de/download/306/winzip100.exe"
> checksum="bca5affe0259f4ff71c1c70ffa3af857"></URL>
> <URL size="5834344" fullurl
> ="http://www.popularshareware.com/load.asp?item=&url=http://download.winzip.
> com/winzip100.exe" checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://www.uptodown.com/?redirecc=http://download.winzip.com/winzip100.exe
> " checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="3851880" fullurl ="http://download.winzip.com/ngs/winzip100.exe"
> checksum="960f58327e1d9fb8b4a978fb2445988f"></URL>
> <URL size="5834344" fullurl ="http://www.salem.ps/Pages/page7/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://aspect1.tucows.com/files4/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://bbo-windows.tucows.com/files4/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl ="http://tucows.tierra.net/files4/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://www.wilkinsonpc.com.co/cgi-bin/click/clickandgo.cgi?id=WinZip&url=h
> ttp://download.winzip.com/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="http://forthnet.tucows.com/files4/winzip100.EXE"
> checksum="bca5affe0259f4ff71c1c70ffa3af857"></URL>
> <URL size="5834344" fullurl
> ="http://power-net.tucows.com/files4/winzip100.EXE"
> checksum="bca5affe0259f4ff71c1c70ffa3af857"></URL>
> <URL size="5834344" fullurl
> ="http://linkdotnet.tucows.com/files4/winzip100.exe"
> checksum="272ca724810e28a8d548988b1b6b8ab1"></URL>
> <URL size="5834344" fullurl
> ="ftp://sunsite.icm.edu.pl/./vol/wojsyl/simtelnet/win95/compress/winzip100.e
> xe"></URL>
> <URL size="5834344" fullurl
> ="ftp://sunsite.cnlab-switch.ch/mirror/winsite/win95/dskutil/winzip100.exe">
> </URL>
> <URL size="5834344" fullurl
> ="ftp://sunsite.cnlab-switch.ch/mirror/simtelnet/win95/compress/winzip100.ex
> e"></URL>
> <URL size="5834344" fullurl
> ="ftp://nic.funet.fi/pub/mirrors/simtel.net/pub/simtelnet/win95/compress/win
> zip100.exe"></URL>
> <URL size="5834344" fullurl
> ="ftp://nic.funet.fi/pub/mirrors/ftp.simtel.net/pub/simtelnet/win95/compress
> /winzip100.exe"></URL>
> <URL size="5834344" fullurl
> ="ftp://mirrors.pandora.be/mirrors1/tucows/files4/winzip100.exe"></URL>
> <URL size="5834344" fullurl
> ="ftp://gd.tuwien.ac.at/./zz4/pc/simtelnet/win95/compress/winzip100.exe"></U
> RL>
> <URL size="5834344" fullurl
> ="ftp://ftp.zcu.cz/./pub/win/winsite/win95/dskutil/winzip100.exe"></URL>
> <URL size="5834344" fullurl
> ="ftp://ftp.wantree.com.au/pub/tucows/windows/files4/winzip100.exe"></URL>
> <URL size="5834344" fullurl
> ="ftp://ftp.utl.pt/ftp/tucows/files4/winzip100.exe"></URL>
> <URL size="5834344" fullurl
> ="ftp://ftp.urc.ac.ru/pub/OS/Windows/archivers/zip/winzip100.exe"></URL>
> <URL size="5834344" fullurl
> ="ftp://ftp.univie.ac.at/mirror/tucows/files4/winzip100.exe"></URL>
> <URL size="5834344" fullurl
> ="ftp://ftp.univie.ac.at/mirror/simtelnet/win95/compress/winzip100.exe"></UR
> L>
> <URL size="5834344" fullurl
> ="ftp://ftp.uni-oldenburg.de/misc/ftp.winzip.com/8931/winzip100.exe"></URL>
> <URL size="5834344" fullurl
> ="ftp://ftp.unb.br/./pub/compress/winzip100.exe"></URL>
> <URL size="5834344" fullurl
> ="ftp://ftp.u-aizu.ac.jp/pub/PC/./simtelnet/win95/compress/winzip100.exe"></
> URL>
> <URL size="5834344" fullurl
> ="ftp://ftp.tuwien.ac.at/./zz4/pc/simtelnet/win95/compress/winzip100.exe"></
> URL>
> <URL size="5834344" fullurl
> ="ftp://ftp.telusplanet.net/./pub/winsite/win95/dskutil/winzip100.exe"></URL
> >
> <URL size="5834344" fullurl
> ="ftp://ftp.telusplanet.net/./pub/simtelnet/win95/compress/winzip100.exe"></
> URL>
> </URLLIST>
> <MISC>
> <TOTALRETURNEDRESULTS> 40 </TOTALRETURNEDRESULTS>
> <SEARCHTIME> 0</SEARCHTIME>
> <COPYRIGHT>Copyright (C) 1999-2003 SpeedBit Ltd. All specifications are
> subject to change. All trademarks are the property of their respective
> owners</COPYRIGHT>
> </MISC><DESCRIPTION/>
> </RES>
>
> ________________________________________
> De: bipin gautam [mailto:visitbipin@...mail.com]
> Enviado el: jueves, 05 de enero de 2006 10:38
> Para: napa@...uritynation.com
> Asunto: RE: Download Accelerator Plus can be tricked to download malicious
> file
>
> i figured it out....... DAP searches for mirror from���������
> mirrorsearch.speedbit.com/
>

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