diff --git a/atomics/T1218.011/T1218.011.yaml b/atomics/T1218.011/T1218.011.yaml
index 0f172677..718e03bd 100644
--- a/atomics/T1218.011/T1218.011.yaml
+++ b/atomics/T1218.011/T1218.011.yaml
@@ -280,8 +280,8 @@ atomic_tests:
     Reference: 
       - [LOLBAS - Libraries/Desk](https://lolbas-project.github.io/lolbas/Libraries/Desk/)
     SIGMA rules:
-      - [SCR File Write Event](https://github.com/SigmaHQ/sigma/blob/master/rules/windows/file_event/file_event_win_new_src_file.yml)
-      - [Rundll32 InstallScreenSaver Execution](https://github.com/SigmaHQ/sigma/blob/master/rules/windows/process_creation/proc_creation_win_rundll32_installscreensaver.yml)
+      - [SCR File Write Event](https://github.com/SigmaHQ/sigma/blob/b53f08b081e0a50099be9b9e8eced82097fdbaf2/rules/windows/file_event/file_event_win_new_src_file.yml)
+      - [Rundll32 InstallScreenSaver Execution](https://github.com/SigmaHQ/sigma/blob/b53f08b081e0a50099be9b9e8eced82097fdbaf2/rules/windows/process_creation/proc_creation_win_lolbin_rundll32_installscreensaver.yml)
   supported_platforms:
       - windows
   input_arguments: