Kali Linux 2021.4 released with 9 new tools, further Apple M1 support

Kali Linux 2021.4 was released today by Offensive Security and includes further Apple M1 support, increased Samba compatibility, nine new tools and an update for all three main desktops.

Kali Linux is a Linux distribution that enables cybersecurity professionals and ethical hackers to conduct penetration tests and security audits for internal and remote networks.

With this version, the Kali Linux team introduces a number of new features, including:

  • Apple M1 support for VMware Fusion Public Tech Preview
  • Broad compatibility is enabled for Samba
  • Makes it easier to switch to the Cloudflare package manager mirror
  • Kaboxer updated with support for window themes and icon themes
  • Updates to the Xfce, GNOME and KDE desktops
  • Raspberry Pi Zero 2 W + USBArmory MkII ARM images
  • Nine more tools!

Further support for Apple M1

It was already possible to install Kali Linux on Parallels on Apple Silicon Macs.

With Kali Linux 2021.4 you can now also install the distribution on the VMware Fusion Public Tech Preview, as the new kernel contains the modules required for the virtual GPU.

Using the Kali installer automatically detects whether you are installing on VMware and installing the appropriate packages.

Samba gets wide compatibility

Since unsafe protocols are discovered in Samba, they are usually disabled by default on Linux distributions to increase security.

Since Kali Linux is a penetration testing distribution, it is better to enable all protocols so that pentesters can find older, vulnerable implementations.

With this release, Offensive Security configures Samba for broad compatibility, which means that they enable older Samba protocols.

Samba-wide compatibility setting
Samba-wide compatibility setting

Nine new tools in Kali Linux 2021.4. added

It wouldn’t be a new version of Kali Linux without some new tools and utilities listed below:

  • Dufflebag – Search exposed EBS volumes for secrets
  • Maryam – Open Source Intelligence (OSINT) Framework
  • Name-That-Hash – You don’t know what kind of hash it is? Name That Hash will name this hash type!
  • Proxmark3 – if you are interested in Proxmark3 and RFID hacking
  • Reverse Proxy Grapher – Graphviz diagram illustrating your reverse proxy flow
  • S3Scanner – Scan for open S3 buckets and dispose of the contents
  • Spraykatz – Credential gathering tool that automates the remote procdump and parsing of the lsass process.
  • truffleHog – Searches Git repositories for strings and secrets with high entropy and goes deep into the commit history
  • Web of Trust Grapher (wotmate) – Reimplement the legacy PGP Pathfinder with no need for anything other than your own keychain

Improved ARM support

The Kali Linux team continues to improve support for ARM devices with the following changes:

  • All images now use ext4 for their root filesystem, and Resize the root file system on first boot. This results in a speed up over previous versions that used ext3 and a shorter boot time on the first reboot if the size is changed.
  • Raspberry Pi Zero 2 W support was added, but as with the Raspberry Pi 400, there is no Nexmon support.
  • Speaking of which Raspberry Pi Zero 2 WSince it is so similar to the Zero W, we also have a. added PiTail image to support the new processor with better performance.
  • Raspberry Pi images now support booting from USB out of the box as we no longer hardcode the root device.
  • Raspberry Pi images now contain versioned Nexmon firmware. A future release of kalipi-config allows you to switch between them if you want to test different versions.
  • Images that use a manufacturer kernel can now set the regulatory domain correctly, so When you set your country, you will get the correct access to the channels for wireless.
  • Pinebook Pro is now ready to be overclocked. The big cores get 2 GHz and the small cores get 1.5 GHz added.
    • echo 1 | sudo tee /sys/devices/system/cpu/cpufreq/boost enable
    • echo 0 | sudo tee /sys/devices/system/cpu/cpufreq/boost Deactivate something
  • USBArmory MkII image was added.

How to get Kali Linux 2021.4

To use Kali Linux 2021.4 you can upgrade your existing installation or download ISO images for new installations and live distributions.

For those upgrading from a previous version, including installations on the Windows Subsystem for Linux (WSL), you can use the following commands to upgrade to the latest version.

echo "deb http://http.kali.org/kali kali-rolling main non-free contrib" | sudo tee /etc/apt/sources.list

sudo apt update && sudo apt -y full-upgrade

cp -i /etc/skel/.bashrc ~/

cp -i /etc/skel/.zshrc ~/

chsh -s /bin/zsh

[ -f /var/run/reboot-required ] && sudo reboot -f

Once you are done with the upgrade, you can see if the upgrade to Kali Linux 2021.4 was successful using the following command:

grep VERSION /etc/os-release

A full changelog for Kali 2021.4 can be found on Kali’s website.

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