diff --git a/rules/web/web_exchange_proxyshell.yml b/rules/web/web_exchange_proxyshell.yml
index 4b3512786..419906c24 100644
--- a/rules/web/web_exchange_proxyshell.yml
+++ b/rules/web/web_exchange_proxyshell.yml
@@ -8,7 +8,7 @@ references:
     - https://peterjson.medium.com/reproducing-the-proxyshell-pwn2own-exploit-49743a4ea9a1
 author: Florian Roth, Rich Warren
 date: 2021/08/07
-modified: 2021/08/08
+modified: 2022/10/06
 tags:
     - attack.initial_access
 logsource: