diff --git a/rules/macos/process_creation/proc_creation_macos_installer_susp_child_process.yml b/rules/macos/process_creation/proc_creation_macos_installer_susp_child_process.yml
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+title: Suspicious Installer Package Child Process
+id: e0cfaecd-602d-41af-988d-f6ccebb2af26
+status: experimental
+description: Detects the execution of suspicious child processes from macOS installer package parent process. This includes osascript, JXA, curl and wget amongst other interpreters
+references:
+    - https://redcanary.com/blog/clipping-silver-sparrows-wings/
+    - https://github.com/elastic/detection-rules/blob/4312d8c9583be524578a14fe6295c3370b9a9307/rules/macos/execution_installer_package_spawned_network_event.toml
+author: Sohan G (D4rkCiph3r)
+date: 2023/02/18
+tags:
+    - attack.t1059
+    - attack.t1059.007
+    - attack.t1071
+    - attack.t1071.001
+    - attack.execution
+    - attack.command_and_control
+logsource:
+    category: process_creation
+    product: macos
+detection:
+    selection_installer:
+        ParentImage|endswith:
+            - '/package_script_service'
+            - '/installer'
+        Image|endswith:
+            - '/sh'
+            - '/bash'
+            - '/dash'
+            - '/python'
+            - '/ruby'
+            - '/perl'
+            - '/php'
+            - '/javascript'
+            - '/osascript'
+            - '/tclsh'
+            - '/curl'
+            - '/wget'
+        CommandLine|contains:
+            - 'preinstall'
+            - 'postinstall'
+    condition: selection_installer
+falsepositives:
+    - Legitimate software uses the scripts (preinstall, postinstall)
+level: medium