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More ps script policy test exclusion #207

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0c7b9c0
added an exclusion of PSScriptPolicyTest file creation for powershell…
Aug 21, 2024
b5420cf
added a file to exclude PSScriptPolicyTest file created by a user in …
Aug 21, 2024
2504653
added PSScriptPolicyTest file exclusion for event 23
Aug 21, 2024
8875724
added PSScriptPolicyTest file exclusion for event 26
Aug 21, 2024
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5 changes: 5 additions & 0 deletions 11_file_create/exclude_psscriptpolicytest.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,11 @@
<TargetFilename condition="contains all">C:\Windows\Temp;__PSScriptPolicyTest;.ps1</TargetFilename>
<User condition="is">NT AUTHORITY\SYSTEM</User>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Windows\Temp;__PSScriptPolicyTest;.ps1</TargetFilename>
<User condition="is">NT AUTHORITY\SYSTEM</User>
</Rule>
</FileCreate>
</RuleGroup>
</EventFiltering>
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16 changes: 16 additions & 0 deletions 11_file_create/exclude_psscriptpolicytest_user.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
<Sysmon schemaversion="4.30">
<EventFiltering>
<RuleGroup name="" groupRelation="or">
<FileCreate onmatch="exclude">
<Rule groupRelation="and">
<Image condition="is">C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Users\;\AppData\Local\Temp\;__PSScriptPolicyTest;.ps1</TargetFilename>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Users\;\AppData\Local\Temp\;__PSScriptPolicyTest;.ps1</TargetFilename>
</Rule>
</FileCreate>
</RuleGroup>
</EventFiltering>
</Sysmon>
22 changes: 22 additions & 0 deletions 23_file_delete/exclude_psscriptpolicytest.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
<Sysmon schemaversion="4.60">
<EventFiltering>
<RuleGroup name="" groupRelation="or">
<FileDelete onmatch="exclude">
<Rule groupRelation="and">
<Image condition="is">C:\Windows\system32\wsmprovhost.exe</Image>
<TargetFilename condition="contains all">C:\Users\;\AppData\Local\Temp;__PSScriptPolicyTest;.ps1</TargetFilename>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Windows\Temp;__PSScriptPolicyTest;.ps1</TargetFilename>
<User condition="is">NT AUTHORITY\SYSTEM</User>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Windows\Temp;__PSScriptPolicyTest;.ps1</TargetFilename>
<User condition="is">NT AUTHORITY\SYSTEM</User>
</Rule>
</FileDelete>
</RuleGroup>
</EventFiltering>
</Sysmon>
16 changes: 16 additions & 0 deletions 23_file_delete/exclude_psscriptpolicytest_user.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
<Sysmon schemaversion="4.60">
<EventFiltering>
<RuleGroup name="" groupRelation="or">
<FileDelete onmatch="exclude">
<Rule groupRelation="and">
<Image condition="is">C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Users\;\AppData\Local\Temp\;__PSScriptPolicyTest;.ps1</TargetFilename>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Users\;\AppData\Local\Temp\;__PSScriptPolicyTest;.ps1</TargetFilename>
</Rule>
</FileDelete>
</RuleGroup>
</EventFiltering>
</Sysmon>
22 changes: 22 additions & 0 deletions 26_file_delete_detected/exclude_psscriptpolicytest.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
<Sysmon schemaversion="4.60">
<EventFiltering>
<RuleGroup name="" groupRelation="or">
<FileDeleteDetected onmatch="exclude">
<Rule groupRelation="and">
<Image condition="is">C:\Windows\system32\wsmprovhost.exe</Image>
<TargetFilename condition="contains all">C:\Users\;\AppData\Local\Temp;__PSScriptPolicyTest;.ps1</TargetFilename>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Windows\Temp;__PSScriptPolicyTest;.ps1</TargetFilename>
<User condition="is">NT AUTHORITY\SYSTEM</User>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Windows\Temp;__PSScriptPolicyTest;.ps1</TargetFilename>
<User condition="is">NT AUTHORITY\SYSTEM</User>
</Rule>
</FileDeleteDetected>
</RuleGroup>
</EventFiltering>
</Sysmon>
16 changes: 16 additions & 0 deletions 26_file_delete_detected/exclude_psscriptpolicytest_user.xml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
<Sysmon schemaversion="4.60">
<EventFiltering>
<RuleGroup name="" groupRelation="or">
<FileDeleteDetected onmatch="exclude">
<Rule groupRelation="and">
<Image condition="is">C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Users\;\AppData\Local\Temp\;__PSScriptPolicyTest;.ps1</TargetFilename>
</Rule>
<Rule groupRelation="and">
<Image condition="is">C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe</Image>
<TargetFilename condition="contains all">C:\Users\;\AppData\Local\Temp\;__PSScriptPolicyTest;.ps1</TargetFilename>
</Rule>
</FileDeleteDetected>
</RuleGroup>
</EventFiltering>
</Sysmon>