diff --git a/malware-analysis_ref_and_memo.md b/malware-analysis_ref_and_memo.md
index ed72836..68dac8c 100644
--- a/malware-analysis_ref_and_memo.md
+++ b/malware-analysis_ref_and_memo.md
@@ -268,7 +268,9 @@ DFIR,マルウェア解析，OSINTに特化したUbuntuベースのディスト
     - [010 Editorに組み込むことも可能](https://www.sweetscape.com/010editor/repository/scripts/file_info.php?file=RateStrings.1sc&type=1&sort=)
     - ref:
         - [Learning to Rank Strings Output for Speedier Malware Analysis](https://www.fireeye.com/blog/threat-research/2019/05/learning-to-rank-strings-output-for-speedier-malware-analysis.html)
-- **exiftool**   
+- **exiftool**
+- **[Detect It Easy](https://github.com/horsicq/Detect-It-Easy)**
+    - library, linker, packer, compilerなどを判別
 - **wql**
     - wqlで子プロセスの検索
  ```