driftnet software package provides picks out and displays images from network traffic, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install driftnet
driftnet is installed in your system.
Make ensure the driftnet package were installed using the commands given below,
$ sudo dpkg-query -l | grep driftnet *
You will get with driftnet package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Administration Utilities |
| Package | driftnet |
| Version | 1.1.5-1+b2 |
| Description | picks out and displays images from network traffic |
| Sub Section | admin |