caster@kali:~$ git clone https://github.com/wearecaster/F31
caster@kali:~$ cd F31/
caster@kali:~/F31$ chmod +x F31.sh reset.sh

caster@kali:~$ sudo bash F31.sh
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F31: Tool for hiding Kali Linux on the network
Author: Caster, @wearecaster, <[email protected]>
Version: 1.0.0
For instructions and an example of how to use it, visit: https://github.com/wearecaster/F31
Usage: F31.sh --interface <interface> --new-hostname <hostname> [--noise-reduction]

Options:
  --interface       Specify the network interface to hide
  --new-hostname    Specify the new hostname for the system
  --noise-reduction Enable traffic shaping for noise reduction (optional)

caster@kali:~/F31$ sudo bash F31.sh --interface eth0 --new-hostname ubuntu --noise-reduction
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F31: Tool for hiding Kali Linux on the network
Author: Caster, @wearecaster, <[email protected]>
Version: 1.0.0
For instructions and an example of how to use it, visit: https://github.com/wearecaster/F31
[+] Tools are already installed.

[+] Changing hostname
[*] Hostname changed to ubuntu successfully.

[+] Enabling hostname transfer via DHCP
[*] Hostname through DHCP disabled successfully.

[+] Disabling NTP client
[*] NTP client shut down successfully.

[+] Increasing and shifting TTL (TTL=80)
[*] TTL values adjusted successfully.

[+] Configuring firewall
[*] Allowing established and chained connections, blocking invalid connections, restricting ICMP traffic, blocking unexpected TCP MSS values
[*] Firewall configuration successfully.

[+] Disabling ICMP Redirect
[*] ICMP Redirects disabled successfully.

[+] Changing MAC
[*] Randomize MAC configured successfully.

[+] Limit data rate to 30 kbit/s and latency 600ms to minimize noise in L2/L3 scanning.
[+] WARNING: This change will severely affect the speed of file downloads. Use this shaping exactly before scanning
[+] If necessary, adjust this value yourself
[*] Traffic shaping configured successfully.
[*] Script executed successfully.

caster@kali:~/F31$ sudo bash reset.sh --interface eth0 --old-hostname kali
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F31: Tool for hiding Kali Linux on the network (Reset script)
Author: Caster, @wearecaster, <[email protected]>
Version: 1.0.0
For instructions and an example of how to use it, visit: https://github.com/wearecaster/F31

[+] Restoring MAC

[+] Enabling ICMP Redirect

[+] Disabling NTP client
[*] NTP client disabled successfully.

[+] Restoring firewall configuration

[+] Enabling hostname transfer via DHCP

[+] Resetting TTL (TTL=64)

[+] Restoring hostname

[+] Removing traffic shaping (noise reduction)
[+] Traffic shaping removed
[*] Reset script executed successfully