From b1c871e1a9b1a8a31ceb50485c24cd1c3b893a3a Mon Sep 17 00:00:00 2001 From: GLVS Kiriti Date: Thu, 14 Mar 2024 14:20:29 +0530 Subject: [PATCH] Added event for default rule write_below_root Signed-off-by: GLVS Kiriti --- events/syscall/write_below_root.go | 33 ++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 events/syscall/write_below_root.go diff --git a/events/syscall/write_below_root.go b/events/syscall/write_below_root.go new file mode 100644 index 00000000..53e97efd --- /dev/null +++ b/events/syscall/write_below_root.go @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: Apache-2.0 +/* +Copyright (C) 2024 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. +*/ + +package syscall + +import ( + "os" + + "github.com/falcosecurity/event-generator/events" +) + +var _ = events.Register( + WriteBelowRoot, + events.WithDisabled(), // this rules is not included in falco_rules.yaml (stable rules), so disable the action +) + +func WriteBelowRoot(h events.Helper) error { + const filename = "/root/created-by-event-generator" + h.Log().Infof("writing to %s", filename) + defer os.Remove(filename) + return os.WriteFile(filename, nil, os.FileMode(0755)) +}