2/12/2023 0 Comments Docker inspect format indexThese typically offer filtering capabilities so you can quickly enumerate installed operating system packages, programming language dependencies, and ordinary files. Third-party open-source tools are also available to help you list the content of images. The layer list exposed by docker image history can’t help you find disguised filesystem items but is more effective at surfacing blatantly malicious operations such as furtive spyware downloads or environment variable overrides. docker docker inspect Usage: docker inspect OPTIONS CONTAINERIMAGETASK CONTAINERIMAGETASK. If either instruction looks suspicious or unfamiliar, consider using the techniques above to fully inspect the referenced binaries or scripts.Īccessing an image’s filesystem provides a very granular view of its contents where malicious content can easily go unnoticed, even after manual inspection. They tell you exactly what will launch when you docker run or docker start a container. The latter two layers are arguably the most important to assess when inspecting an image’s history. Look for unknown binaries in RUN instructions, unexpected environment variable changes, and suspicious CMD and ENTRYPOINT statements. Add nodes to the swarm Administer and maintain a swarm of Docker Engines Apply rolling updates to a service Create a swarm Delete the service running on the swarm Deploy a service to the swarm Deploy services to a swarm Deprecated Engine Features Docker run reference Dockerfile reference Dockerize a. Scanning the layer list helps you quickly identify suspicious actions that could indicate you’re using a malicious image. ![]() ![]() The “CREATED BY” column shows the Dockerfile instruction that created the layer. ![]() Each line in the command’s output represents a new layer in the image.
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