ルール更新 (#224)

rules/sigma/sysmon/sysmon_config_modification_error.yml

@@ -0,0 +1,28 @@
+
+title: Sysmon Configuration Error
+author: frack113
+date: 2021/06/04
+description: Someone try to hide from Sysmon
+detection:
+  SELECTION_1:
+    EventID: 255
+  SELECTION_2:
+    Description:
+    - '*Failed to open service configuration with error*'
+    - '*Failed to connect to the driver to update configuration*'
+  condition: (SELECTION_1 and SELECTION_2)
+falsepositives:
+- legitimate administrative action
+id: 815cd91b-7dbc-4247-841a-d7dd1392b0a8
+level: high
+logsource:
+  category: sysmon_error
+  product: windows
+modified: 2021/11/12
+references:
+- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1562.001/T1562.001.md
+- https://talesfrominfosec.blogspot.com/2017/12/killing-sysmon-silently.html
+status: experimental
+tags:
+- attack.defense_evasion
+- attack.t1564