If you have a Dahua recorder with a firmware dated before March of 2017 and it is port forwarded there's a good chance you've probably been "hacked" by an extremely persistent bot. If you're one of the thousands of people this has happened to and haven't upgraded your recorder yet (as well as defaulted the system & changed all the default username & passwords with the network cable unplugged) I've listed a few sites below with 2017 firmware that should get your recorder up to date to prevent it from happening again...for now at least.
DH-Vision Hack Fix Firmwares
Dahua Wiki Firmwares
Dahua Website Firmwares
DH-Vision Hack Fix Firmwares
Dahua Wiki Firmwares
Dahua Website Firmwares
