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Add rule for shell with terminal in container.

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Add a new falco rule "Terminal shell in container" that looks for shells
spawned in a container with an attached terminal. This is similar to the
existing "Run shell in container" rule, but doesn't have as many
exceptions as we expect this to be even less rare.
This commit is contained in:
Mark Stemm 2017-05-23 13:37:44 -07:00
parent a86e3fc748
commit e88612a1af
1 changed files with 9 additions and 0 deletions
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9
rules/falco_rules.yaml
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@ -426,6 +426,15 @@
priority: WARNING
tags: [users]
- rule: Terminal shell in container
desc: A shell was spawned by a program in a container with an attached terminal.
condition: >
spawned_process and container
and shell_procs and proc.tty != 0
output: "A shell was spawned in a container with an attached terminal (user=%user.name %container.info shell=%proc.name parent=%proc.pname cmdline=%proc.cmdline terminal=%proc.tty)"
priority: WARNING
tags: [container, shell]
- rule: Run shell in container
desc: a shell was spawned by a non-shell program in a container. Container entrypoints are excluded.
condition: >