Utilizing the DCOS Cluster's Marathon UI, an attacker can create a docker container with the '/' path mounted with read/write permissions on the host server that is running the docker container. As the docker container executes command as uid 0 it is honored by the host operating system allowing the attacker to edit/create files owed by root. This exploit abuses this to create a cron job in the '/etc/cron.d/' path of the host server. Note that the docker image must be a valid docker image from hub.docker.com. Further more the docker container will only deploy if there are resources available in the DC/OS cluster.
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A vulnerability existed in the PowerShellEmpire server prior to commit f030cf62 which would allow an arbitrary file to be written to an attacker controlled location with the permissions of the Empire server. This exploit will write the payload to /tmp/ directory followed by a cron.d file to execute the payload.
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