diff --git a/capa/features/extractors/dnfile/extractor.py b/capa/features/extractors/dnfile/extractor.py
index 68607ce3d..f82364a21 100644
--- a/capa/features/extractors/dnfile/extractor.py
+++ b/capa/features/extractors/dnfile/extractor.py
@@ -1,3 +1,11 @@
+# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# 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: [package root]/LICENSE.txt
+# 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.
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING, Any, List, Tuple
diff --git a/capa/features/extractors/dnfile/file.py b/capa/features/extractors/dnfile/file.py
index 9ffbaed3a..99e2643ce 100644
--- a/capa/features/extractors/dnfile/file.py
+++ b/capa/features/extractors/dnfile/file.py
@@ -1,3 +1,11 @@
+# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# 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: [package root]/LICENSE.txt
+# 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.
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING, Tuple, Iterator
diff --git a/capa/features/extractors/dnfile/helpers.py b/capa/features/extractors/dnfile/helpers.py
index a4bc04e8a..c73044622 100644
--- a/capa/features/extractors/dnfile/helpers.py
+++ b/capa/features/extractors/dnfile/helpers.py
@@ -1,3 +1,11 @@
+# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# 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: [package root]/LICENSE.txt
+# 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.
+
 from __future__ import annotations
 
 import logging
diff --git a/capa/features/extractors/dnfile/insn.py b/capa/features/extractors/dnfile/insn.py
index 7dff46d41..262b97798 100644
--- a/capa/features/extractors/dnfile/insn.py
+++ b/capa/features/extractors/dnfile/insn.py
@@ -1,3 +1,11 @@
+# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
+# 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: [package root]/LICENSE.txt
+# 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.
+
 from __future__ import annotations
 
 from typing import TYPE_CHECKING, Dict, Tuple, Iterator, Optional
diff --git a/tests/test_dnfile_features.py b/tests/test_dnfile_features.py
index 0ae391702..76540468f 100644
--- a/tests/test_dnfile_features.py
+++ b/tests/test_dnfile_features.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2020 FireEye, Inc. All Rights Reserved.
+# Copyright (C) 2020 Mandiant, Inc. All Rights Reserved.
 # 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: [package root]/LICENSE.txt