Ubiquiti airOS Arbitrary File Upload

This module exploits a pre-auth file upload to install a new root user to /etc/passwd and an SSH key to /etc/dropbear/authorizedkeys. FYI, /etc/passwd,dropbear/authorizedkeys will be overwritten. /etc/persistent/rc.poststart will be overwritten if PERSISTETC is true. This method is used by the "m...