#
# 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.
#
- rule: open_dev_null
  desc: Any open of the file /dev/null
  condition: evt.type=open and fd.name=/dev/null
  output: An open of /dev/null was seen (command=%proc.cmdline evt=%evt.type %evt.args)
  priority: INFO

- rule: dev_null
  desc: Anything related to /dev/null
  condition: fd.name=/dev/null
  output: Something related to /dev/null was seen (command=%proc.cmdline evt=%evt.type %evt.args)
  priority: INFO
  warn_evttypes: false