Add: sigma rules (#175)

rules/sigma/windows/process_creation/process_creation_infdefaultinstall.yml

@@ -0,0 +1,33 @@
+
+title: InfDefaultInstall.exe .inf Execution
+author: frack113
+date: 2021/07/13
+description: Executes SCT script using scrobj.dll from a command in entered into a
+  specially prepared INF file.
+detection:
+  SELECTION_1:
+    EventID: 1
+  SELECTION_2:
+    CommandLine: '*InfDefaultInstall.exe *'
+  SELECTION_3:
+    CommandLine: '*.inf*'
+  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
+falsepositives:
+- Unknown
+fields:
+- ComputerName
+- User
+- CommandLine
+- ParentCommandLine
+id: ce7cf472-6fcc-490a-9481-3786840b5d9b
+level: medium
+logsource:
+  category: process_creation
+  product: windows
+references:
+- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1218/T1218.md
+- https://github.com/LOLBAS-Project/LOLBAS/blob/master/yml/OSBinaries/Infdefaultinstall.yml
+status: experimental
+tags:
+- attack.defense_evasion
+- attack.t1562.001