diff --git a/malware-tech_ref_and_memo.md b/malware-tech_ref_and_memo.md
index a9612cc..49ba33c 100644
--- a/malware-tech_ref_and_memo.md
+++ b/malware-tech_ref_and_memo.md
@@ -464,12 +464,22 @@ C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp
       dig whoami.akamai.net @ns1-1.akamaitech.net
       ```
 
-# Delete Data
+# Deleting, Disabling, Exiting, Killing, Terminating
 ## Delete Volume Shadow
 - ランサムウェアはバックアップからの復元を防ぐためにvolume shadowを削除することが多い
 ```
 vssadmin Delete Shadows /All /Quiet
 ```
+## Delete Service
+```
+sc delete
+```
+## Kill Task
+```
+taskkill -f -im
+```
+## Terminate Process
+- TerminateProcess APIの使用
 
 # maldoc
 ## Obfuscation/Encryption