Packet Squirrel
  • Packet Squirrel by Hak5
  • Getting Started
    • Packet Squirrel Basics
    • USB Flash Disk Support
    • Default Settings
    • LED Status Indications
    • Selecting and Adding Payloads
  • Default Payloads
    • Logging Network Traffic
    • Spoofing DNS
    • OpenVPN Payload
  • Internet Connectivity
    • Getting the Packet Squirrel Online
  • Software Updates
    • Upgrading Firmware
    • Manual Upgrade
  • Payload Development
    • Payload Development Basics
    • Ducky Script for Packet Squirrel
    • The NETMODE Command
    • The LED Command
    • The SWITCH Command
    • The BUTTON Command
    • Included Tools
  • Troubleshooting
    • Firmware Recovery
    • Factory Reset
    • FAQ
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  1. Software Updates

Upgrading Firmware

Last updated 3 years ago

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From time to time the Packet Squirrel may be updated with new firmware to add features and security improvements. It is highly recommended that you keep your Packet Squirrel up to date with the latest firmware, available from the .

To install the latest firmware:

  1. Download the upgrade file. Make sure that the filename is upgrade-version.bin (where version is the firmware version, e.g. 1.2) and .

  2. Copy the upgrade file to the root of an NTFS or EXT4 formatted USB flash drive. Do not rename, unpack or otherwise alter this file.

  3. Plug the USB drive into the powered-off Packet Squirrel

  4. Flip the Packet Squirrel payload select switch to Arming mode (far right, closest to the USB flash drive)

  5. Power on the Packet Squirrel from a reliable USB power source. This process takes 5-10 minutes and will be indicated by a series of LED lights.

Do not power-off or otherwise interrupt the device until the flashing process completes.

During the firmware flashing process, the LED will indicate the following states:

  1. Green flashing – booting up

  2. Red/Blue alternating – beginning firmware flash

  3. Solid Red or Blue – firmware flash in progress

  4. Green flashing – rebooting

  5. Blue flashing – upgrade complete, arming mode ready

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