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USB Ninja

The USB Ninja is an advanced USB attack development platform designed to be as simple as possible whilst leaving as many options open for development. Written in Golang, it was developed on a Raspberry Pi Zero W, but should work on any device that supports USB OTG - see the list of Supported Devices. It makes heavy use of configfs to configure and present the drivers to the host system. See the FAQ for more information.

Currently supported gadgets are:

Please check out ADDED.md for details about all the new features being added!

Looking for some examples? Check out my blog at xcellerator.github.io!

Getting Started

Getting setup with the USBNinja is pretty simple, as long as you're happy with the Linux command-line.

You can follow the instructions below, or head over to my blog here for a more detailed guide on the first time setup!

  1. First of all, head over to Releases to download the latest release files. You need both root.tar.gz and boot.tar.gz.
  2. Create a new folder (doesn't matter where) to act as our working directory. You'll only need this during the first setup.
  3. Create two folders within this called boot and root and then copy boot.tar.gz and root.tar.gz to the working folder.
  • i.e. You should have boot, boot.tar.gz, root, and root.tar.gz sitting in your working folder.
  1. Insert your MicroSD card into your computer and check whats its called under /dev/ using a quick lsblk. I use an SD adapter, so its called mmcblk0 for me.
  2. Now fire up fdisk with sudo fdisk /dev/mmcblk0.
    • Type o. This will wipe any existing partitions on the card.
    • Type n, then p for a primary partition.
    • Type 1 for the first partition, then ENTER for the default starting sector, then +100M for a 100MB boot partition.
    • Type t, then c to set the first partition as "W95 FAT32 (LBA)".
    • Type n, then p for another primary partition.
    • Type 2 for the second partition, then ENTER twice to fill the rest of the card.
    • Now you can write the new partition table with w.
  3. Next, we create the filesystems on the two partitions:
    • sudo mkfs.vfat /dev/mmcblk0p1
    • sudo mkfs.ext4 /dev/mmcblk0p2
  4. Now, mount the two partitions to our root and boot folders:
    • sudo mount /dev/mmcblk0p1 boot
    • sudo mount /dev/mmcblk0p2 root
  5. Extract the release to the mounted partitions
    • sudo bsdtar -xpf boot.tar.gz
    • sudo bsdtar -xpf root.tar.gz
  6. Finally, you can sync (this will take a little while - don't worry!) and then sudo umount boot root to unmount the MicroSD card.
  7. Pop the MicroSD card back into the Raspbery Pi and boot it up! Make sure you use the "USB OTG" port on the board (the one next to the mini-HDMI port).
  8. After a few seconds, you should see a new serial device show up in dmesg. You can use either screen or minicom to access it. E.g. sudo minicom -b 115200 -D /dev/ttyACM0 or sudo screen /dev/ttyACM0 115200.

Note: The default login is alarm:alarm and the root account is root:root. By default the alarm user is already in the wheel group.

Build from source

The other option is to just download and setup Arch Linux ARM by yourself and follow the instructions in INSTALL.md to compile the binaries from source and setup all the other services. The process is exactly the same as what was done to prepare the image.

Using other gadgets

If you want to use gadgets other than plain old serial (and if you're here - you probably do), then all you need to do is edit usbninja/options.txt on the first partition of the MicroSD card. This corresponds to the /boot directory when the OS boots up.

See OPTIONS.md and GADGETS.md for more information.

Disclaimer

I am not responsible for your actions using this software. Never engage in any activities on any machine that you do not have the express permission to do so. The USBNinja is meant to be used by professionals only.