Fix 'NoneType' object has no attribute 'lower'

zaicurity · Sep 27, 2021 · a0b48b9 · a0b48b9
1 parent 8de7cc2
commit a0b48b9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tools/sigma/backends/sysmon.py b/tools/sigma/backends/sysmon.py
@@ -217,7 +217,7 @@ def createTableFromLogsource(self):
             raise NotSupportedError(
                 "Not supported logsource. Should be product `windows`.")
         for item in self.logsource.values():
-            if item.lower() in self.allowedSource.keys():
+             if str(item).lower() in self.allowedSource.keys():
                 self.table = self.allowedSource.get(item.lower())
                 break
         else: