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cleanup(rules): initial tagging of sandbox or incubating rules round2 #112

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Jul 26, 2023
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cleanup(rules): initial tagging of sandbox or incubating rules round2 #112

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16 changes: 8 additions & 8 deletions rules/falco_rules.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -911,7 +911,7 @@
File below a known binary directory opened for writing (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline pid=%proc.pid file=%fd.name parent=%proc.pname pcmdline=%proc.pcmdline gparent=%proc.aname[2] container_id=%container.id image=%container.image.repository)
priority: ERROR
tags: [host, container, filesystem, mitre_persistence, T1543]
tags: [maturity_sandbox, host, container, filesystem, mitre_persistence, T1543]

# If you'd like to generally monitor a wider set of directories on top
# of the ones covered by the rule Write below binary dir, you can use
Expand Down Expand Up @@ -966,7 +966,7 @@
File below a monitored directory opened for writing (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline pid=%proc.pid file=%fd.name parent=%proc.pname pcmdline=%proc.pcmdline gparent=%proc.aname[2] container_id=%container.id image=%container.image.repository)
priority: ERROR
tags: [host, container, filesystem, mitre_persistence, T1543]
tags: [maturity_sandbox, host, container, filesystem, mitre_persistence, T1543]

# ******************************************************************************
# * "Directory traversal monitored file read" requires FALCO_ENGINE_VERSION 13 *
Expand Down Expand Up @@ -1290,7 +1290,7 @@
condition: write_etc_common
output: "File below /etc opened for writing (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline pid=%proc.pid parent=%proc.pname pcmdline=%proc.pcmdline file=%fd.name program=%proc.name gparent=%proc.aname[2] ggparent=%proc.aname[3] gggparent=%proc.aname[4] container_id=%container.id image=%container.image.repository)"
priority: ERROR
tags: [host, container, filesystem, mitre_persistence, T1098]
tags: [maturity_sandbox, host, container, filesystem, mitre_persistence, T1098]

- list: known_root_files
items: [/root/.monit.state, /root/.auth_tokens, /root/.bash_history, /root/.ash_history, /root/.aws/credentials,
Expand Down Expand Up @@ -1387,7 +1387,7 @@
and not user_known_write_below_root_activities
output: "File below / or /root opened for writing (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline pid=%proc.pid parent=%proc.pname file=%fd.name program=%proc.name container_id=%container.id image=%container.image.repository)"
priority: ERROR
tags: [host, container, filesystem, mitre_persistence, TA0003]
tags: [maturity_sandbox, host, container, filesystem, mitre_persistence, TA0003]

- macro: cmp_cp_by_passwd
condition: proc.name in (cmp, cp) and proc.pname in (passwd, run-parts)
Expand Down Expand Up @@ -1502,7 +1502,7 @@
and not user_known_write_rpm_database_activities
output: "Rpm database opened for writing by a non-rpm program (command=%proc.cmdline pid=%proc.pid file=%fd.name parent=%proc.pname pcmdline=%proc.pcmdline container_id=%container.id image=%container.image.repository)"
priority: ERROR
tags: [host, container, filesystem, software_mgmt, mitre_persistence, T1072]
tags: [maturity_sandbox, host, container, filesystem, software_mgmt, mitre_persistence, T1072]

- macro: postgres_running_wal_e
condition: (proc.pname=postgres and (proc.cmdline startswith "sh -c envdir /etc/wal-e.d/env /usr/local/bin/wal-e" or proc.cmdline startswith "sh -c envdir \"/run/etc/wal-e.d/env\" wal-g wal-push"))
Expand Down Expand Up @@ -1553,7 +1553,7 @@
File below known binary directory renamed/removed (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline pid=%proc.pid
pcmdline=%proc.pcmdline operation=%evt.type file=%fd.name %evt.args container_id=%container.id image=%container.image.repository)
priority: ERROR
tags: [host, container, filesystem, mitre_persistence, T1222.002]
tags: [maturity_sandbox, host, container, filesystem, mitre_persistence, T1222.002]

- macro: user_known_mkdir_bin_dir_activities
condition: (never_true)
Expand All @@ -1570,7 +1570,7 @@
Directory below known binary directory created (user=%user.name user_loginuid=%user.loginuid
command=%proc.cmdline pid=%proc.pid directory=%evt.arg.path container_id=%container.id image=%container.image.repository)
priority: ERROR
tags: [host, container, filesystem, mitre_persistence, T1222.002]
tags: [maturity_sandbox, host, container, filesystem, mitre_persistence, T1222.002]

# This list allows for easy additions to the set of commands allowed
# to change thread namespace without having to copy and override the
Expand Down Expand Up @@ -2385,7 +2385,7 @@
and not user_known_create_files_below_dev_activities
output: "File created below /dev by untrusted program (user=%user.name user_loginuid=%user.loginuid command=%proc.cmdline pid=%proc.pid file=%fd.name container_id=%container.id image=%container.image.repository)"
priority: ERROR
tags: [host, container, filesystem, mitre_persistence, T1543, T1083]
tags: [maturity_sandbox, host, container, filesystem, mitre_persistence, T1543, T1083]


# In a local/user rules file, you could override this macro to
Expand Down
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