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Updating detections
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@@ -18,7 +18,7 @@ description: The following analytic detects modifications to the default Group P
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search: ' `admon` admonEventType=Update objectCategory="CN=Group-Policy-Container,CN=Schema,CN=Configuration,DC=*" (displayName="Default Domain Policy" OR displayName="Default Domain Controllers Policy")
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| appendpipe [
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| map search="search `wineventlog_security` EventCode=5136 AttributeSyntaxOID=2.5.5.12 AttributeValue=$displayName$" | rename AttributeValue as displayName]
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| stats min(_time) as _time values(displayName) as gp_name, values(gPCFileSysPath) as gPCFileSysPath, values(src_user) as src_user, values(dest) as dest, values(dest_category) as dest_category, values(src_user_category) as src_user_category by displayName
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| stats min(_time) as _time values(displayName) as gp_name, values(gPCFileSysPath) as gPCFileSysPath, values(src_user) as src_user, values(dcName) as dcName, values(dest_category) as dest_category, values(src_user_category) as src_user_category by displayName
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| `windows_admon_default_group_policy_object_modified_filter`'
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how_to_implement: To successfully implement this search, you need to be monitoring
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Active Directory logs using Admon. Details can be found here
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@@ -47,6 +47,10 @@ tags:
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type: Endpoint
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role:
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- Victim
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- name: src_user
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type: User
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role:
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- Victim
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product:
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- Splunk Enterprise
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- Splunk Enterprise Security
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@@ -17,7 +17,7 @@ description: The following analytic detects the creation of a new Group Policy O
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search: ' `admon` admonEventType=Update objectCategory="CN=Group-Policy-Container,CN=Schema,CN=Configuration,DC=*" versionNumber=0 displayName!="New Group Policy Object"
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| appendpipe [
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| map search="search `wineventlog_security` EventCode=5136 AttributeSyntaxOID=2.5.5.12 AttributeValue=$displayName$" | rename AttributeValue as displayName]
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| stats min(_time) as _time values(displayName) as gp_name, values(gPCFileSysPath) as gPCFileSysPath, values(src_user) as src_user, values(dest) as dest, values(dest_category) as dest_category, values(src_user_category) as src_user_category by displayName
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| stats min(_time) as _time values(displayName) as gp_name, values(gPCFileSysPath) as gPCFileSysPath, values(src_user) as src_user, values(dcName) as dcName, values(dest_category) as dest_category, values(src_user_category) as src_user_category by displayName
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| `windows_admon_group_policy_object_created_filter`'
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how_to_implement: To successfully implement this search, you need to be monitoring
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Active Directory logs using Admon. Details can be found here
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@@ -46,6 +46,10 @@ tags:
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type: Endpoint
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role:
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- Victim
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- name: src_user
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type: User
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role:
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- Victim
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product:
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- Splunk Enterprise
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- Splunk Enterprise Security
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