[Shared Samples] [PR #4513] modified rule: PR# 4513 - VIP impersonation with invoicing request

github-actions[bot] · github-actions[bot] · commit 6b3dfc5ba4a8 · 2026-05-29T20:55:36.000Z
diff --git a/detection-rules/4513_impersonation_vip_invoicing_request.yml b/detection-rules/4513_impersonation_vip_invoicing_request.yml
@@ -7,12 +7,10 @@ source: |
   and any($org_vips,
           strings.contains(sender.display_name, .display_name)
           or strings.contains(sender.display_name,
-                              strings.concat(.last_name, ", ", .first_name)
+                              strings.concat(.first_name, " ", .last_name)
           )
-          or any(regex.extract(.display_name,
-                               '\A(?P<name>.+?)\s*[\(（][^)）]*[)）]\s*\z'
-                 ),
-                 strings.contains(sender.display_name, .named_groups["name"])
+          or strings.contains(sender.display_name,
+                              strings.concat(.last_name, ", ", .first_name)
           )
   )
   and (

Original file line number	Diff line number	Diff line change
`@@ -7,12 +7,10 @@ source: \|`
`7`	`7`	`and any($org_vips,`
`8`	`8`	`strings.contains(sender.display_name, .display_name)`
`9`	`9`	`or strings.contains(sender.display_name,`
`10`		`- strings.concat(.last_name, ", ", .first_name)`
	`10`	`+ strings.concat(.first_name, " ", .last_name)`
`11`	`11`	`)`
`12`		`- or any(regex.extract(.display_name,`
`13`		`- '\A(?P<name>.+?)\s[\(（][^)）][)）]\s*\z'`
`14`		`- ),`
`15`		`- strings.contains(sender.display_name, .named_groups["name"])`
	`12`	`+ or strings.contains(sender.display_name,`
	`13`	`+ strings.concat(.last_name, ", ", .first_name)`
`16`	`14`	`)`
`17`	`15`	`)`
`18`	`16`	`and (`