diff --git a/malware-analysis_ref_and_memo.md b/malware-analysis_ref_and_memo.md
index fe62c80..6ca635d 100644
--- a/malware-analysis_ref_and_memo.md
+++ b/malware-analysis_ref_and_memo.md
@@ -78,6 +78,7 @@ DFIR,マルウェア解析，OSINTに特化したUbuntuベースのディスト
 	- CLI版はTShark
     	- ref:
         	- [Wireshark Tutorial,Unit42(2019)](https://unit42.paloaltonetworks.com/tag/tutorial/)
+		- [Decrypting SSL/TLS traffic with Wireshark](https://resources.infosecinstitute.com/decrypting-ssl-tls-traffic-with-wireshark/)
 - **tcpdump**
 - **[Scapy](https://scapy.net/)**
 - **[Fiddler](https://www.telerik.com/fiddler)**