diff --git a/malware-analysis_ref_and_memo.md b/malware-analysis_ref_and_memo.md
index 9dd8fdb..0c44559 100644
--- a/malware-analysis_ref_and_memo.md
+++ b/malware-analysis_ref_and_memo.md
@@ -304,7 +304,7 @@ echo $child_process
 |MalwareConifg|https://malwareconfig.com/|特定マルウェアからconfig情報を抽出|
 |anlyz.io|https://sandbox.anlyz.io/dashboard||
 
-### Unpacker/Decryptor/Decoder/Extractor/Memory Scanner
+### Unpacker/Decryptor/Decoder/Extractor/Memory Scannerh/Deofuscator
 - **[TAFOF-Unpacker](https://github.com/Tera0017/TAFOF-Unpacker)<br>**
 攻撃者グループTA505が利用するマルウェア(GetandGoDll, Silence, TinyMet, Azorult, KBMiner, etc.)の静的アンパッカー<br>
 - **[Trickbot artifact decrypter](https://github.com/snemes/malware-analysis/tree/master/trickbot)<br>**
@@ -361,6 +361,8 @@ Injecition/Hollowingされたプロセスの自動検出<br>
     - CobaltStrikeのconfig Parser
 - **[De-crypting a TrickBot Crypter](https://zero2auto.com/2020/06/22/decrypting-trickbot-crypter/)**
     - Trickbotの復号に関する記事
+- **[de4dot](https://github.com/0xd4d/de4dot)**
+    - .NET系のDeofuscatorおよびUnpacker
 
 
 # PDF Analysis