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Allow exe_running_docker_save in the "Create Hidden Files or Directories" and "Mkdir binary dirs" rules #1386

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merged 2 commits into from
Jan 8, 2021
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Allow exe_running_docker_save in the "Create Hidden Files or Directories" and "Mkdir binary dirs" rules #1386

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7c234d1
rule(Mkdir binary dirs): Exclude exe_running_docker_save
Sep 8, 2020
1acf106
rule(Create Hidden Files or Directories): Exclude exe_running_docker_…
Sep 8, 2020
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8 changes: 7 additions & 1 deletion rules/falco_rules.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1601,7 +1601,12 @@

- rule: Mkdir binary dirs
desc: an attempt to create a directory below a set of binary directories.
condition: mkdir and bin_dir_mkdir and not package_mgmt_procs and not user_known_mkdir_bin_dir_activities
condition: >
mkdir
and bin_dir_mkdir
and not package_mgmt_procs
and not user_known_mkdir_bin_dir_activities
and not exe_running_docker_save
output: >
Directory below known binary directory created (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline directory=%evt.arg.path container_id=%container.id image=%container.image.repository)
Expand Down Expand Up @@ -2725,6 +2730,7 @@
(open_write and evt.arg.flags contains "O_CREAT" and fd.name contains "/." and not fd.name pmatch (exclude_hidden_directories))) and
consider_hidden_file_creation and
not user_known_create_hidden_file_activities
and not exe_running_docker_save
output: >
Hidden file or directory created (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline
file=%fd.name newpath=%evt.arg.newpath container_id=%container.id container_name=%container.name image=%container.image.repository:%container.image.tag)
Expand Down