adding an event on interpreted procs outbound network activity

Signed-off-by: h4l0gen <[email protected]>

git squashed

Signed-off-by: h4l0gen <[email protected]>

events/helper/outbound_connection.go

@@ -0,0 +1,31 @@
+// 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 helper
+
+import (
+	"github.com/falcosecurity/event-generator/events"
+	"net"
+)
+
+var _ = events.Register(OutboundConnection)
+
+func OutboundConnection(h events.Helper) error {
+	conn, err := net.Dial("udp", "example.net:53")
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+	return nil
+}

events/syscall/interpreted_procs_outbound_network_activity.go

@@ -0,0 +1,28 @@
+// 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 (
+	"github.com/falcosecurity/event-generator/events"
+)
+
+var _ = events.Register(
+	InterpretedProcsOutboundNetworkActivity,
+	events.WithDisabled(), // this rule is not included in falco_rules.yaml (stable rules), so disable the action
+)
+
+func InterpretedProcsOutboundNetworkActivity(h events.Helper) error {
+	return h.SpawnAs("lua", "helper.OutboundConnection")
+}