#
# 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: my_rule
  desc: A process named cat does an open
  condition: evt.type=open and fd.name=not-a-real-file
  output: "An open of /dev/null was seen (command=%proc.cmdline)"
  priority: WARNING

- rule: my_rule
  append: true
  condition: or fd.name=/dev/null
