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Allow to whitelist shell config modifiers #1938

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merged 1 commit into from
Mar 15, 2022
Merged

Allow to whitelist shell config modifiers #1938

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4 changes: 4 additions & 0 deletions rules/falco_rules.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -443,6 +443,9 @@
- list: shell_config_directories
items: [/etc/zsh]

- macro: user_known_shell_config_modifiers
condition: (never_true)

- rule: Modify Shell Configuration File
desc: Detect attempt to modify shell configuration files
condition: >
Expand All @@ -452,6 +455,7 @@
fd.directory in (shell_config_directories))
and not proc.name in (shell_binaries)
and not exe_running_docker_save
and not user_known_shell_config_modifiers
output: >
a shell configuration file has been modified (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline pcmdline=%proc.pcmdline file=%fd.name container_id=%container.id image=%container.image.repository)
priority:
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