This is a __brute force__ attack on the secret key given a reduced search space.
```pythonimport calendarimport time
from trippleFUN import des, DECRYPT
d = des()def decrypt(key, text):	return d.run(key, text, DECRYPT)
# Friday, August 17, 2018 12:00:00 AMcurr_IV = 1534464000
message= "|\xb3Wm\x83\rE7h\xe3\xc0\xf1^Y\xf0\x8d\xa6I\x92\x9b\xa5\xbc\xdc\xca\x9d\xcd\xe9a0\xa3\x00\xf2\x13\x16]|\xae\xd8\x84\x88"while True:	curr_IV -= 1	IV = str(curr_IV)[-8:]
	plain = decrypt(IV,decrypt(IV,decrypt(IV,message)))	if 'd4rk' in plain:		print(plain)		break
```