diff --git a/Windows/Privilege_Escalation/Process_Injection.md b/Windows/Privilege_Escalation/Process_Injection.md
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--- a/Windows/Privilege_Escalation/Process_Injection.md
+++ /dev/null
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-## Process Injection
-
-MITRE ATT&CK Technique: [T1055](https://attack.mitre.org/wiki/Technique/T1055)
-
-Examples and code resource for [PowerSploit](https://github.com/PowerShellMafia/PowerSploit/tree/master/CodeExecution)
-
-### PowerShell Invoke-ReflectivePEInjection
-
-Input:
-
-    C:\Users\Public\PowerSploit-master\PowerSploit-master\CodeExecution\Invoke-ReflectivePEInjection.ps1
-
-### Powershell Invoke-DllInjection
-
-Input:
-
-    C:\Users\Public\PowerSploit-master\PowerSploit-master\CodeExecution\Invoke-DllInjection.ps1 -ProcessID 4274 -Dll evil.dll
diff --git a/atomics/T1055/T1055.yaml b/atomics/T1055/T1055.yaml
new file mode 100644
index 00000000..30b97730
--- /dev/null
+++ b/atomics/T1055/T1055.yaml
@@ -0,0 +1,45 @@
+---
+attack_technique: T1055
+display_name: Process Injection
+
+atomic_tests:
+- name: Process Injection via mavinject.exe
+  description: |
+    Windows 10 Utility To Inject DLLS
+
+  supported_platforms:
+    - windows
+
+  input_arguments:
+    dll_payload:
+      description: DLL to Inject
+      type: Path
+      default: T1055.dll
+    process_id:
+      description: PID of input_arguments
+      type: Int
+      default: $pid
+  executor:
+    name: powershell
+    command: |
+      mavinject $pid /INJECTRUNNING #{dll_payload}
+- name: Process Injection via PowerSploit
+  description: |
+    PowerShell Injection
+
+  supported_platforms:
+    - windows
+
+  input_arguments:
+    dll_payload:
+      description: DLL to Inject
+      type: Path
+      default: T1055.dll
+    process_id:
+      description: PID of input_arguments
+      type: Int
+      default: $pid
+  executor:
+    name: powershell
+    command: |
+      Invoke-DllInjection.ps1 -ProcessID #{process_id} -Dll #{dll_payload}
diff --git a/atomics/T1055/src/Win32/T1055.dll b/atomics/T1055/src/Win32/T1055.dll
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diff --git a/atomics/T1055/src/x64/T1055.dll b/atomics/T1055/src/x64/T1055.dll
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