[Rule Tuning] Untrusted Driver Loaded (#2656)

rules/windows/defense_evasion_untrusted_driver_loaded.toml

@@ -4,7 +4,7 @@ integration = ["endpoint"]
 maturity = "production"
 min_stack_comments = "New fields added: required_fields, related_integrations, setup"
 min_stack_version = "8.3.0"
-updated_date = "2023/02/22"
+updated_date = "2023/03/22"
 
 [rule]
 author = ["Elastic"]
@@ -28,7 +28,7 @@ timestamp_override = "event.ingested"
 type = "eql"
 
 query = '''
-library where host.os.type == "windows" and process.pid == 4 and
+driver where host.os.type == "windows" and process.pid == 4 and
   dll.code_signature.trusted != true and 
   not dll.code_signature.status : ("errorExpired", "errorRevoked")
 '''