---
#
# Copyright (C) 2019 The Falco Authors.
#
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

- required_engine_version: 2

- list: cat_binaries
  items: [cat]

- list: cat_capable_binaries
  items: [cat_binaries]

- macro: is_cat
  condition: proc.name in (cat_capable_binaries)

- rule: open_from_cat
  desc: A process named cat does an open
  condition: evt.type=open and is_cat
  output: "An open was seen (command=%proc.cmdline)"
  priority: WARNING
---
#
# Copyright (C) 2019 The Falco Authors.
#
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# This ruleset depends on the is_cat macro defined in single_rule.yaml

- rule: exec_from_cat
  desc: A process named cat does execve
  condition: evt.type=execve and is_cat
  output: "An exec was seen (command=%proc.cmdline)"
  priority: ERROR

- rule: access_from_cat
  desc: A process named cat does an access
  condition: evt.type=access and is_cat
  output: "An access was seen (command=%proc.cmdline)"
  priority: INFO