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Elastic Docs ›Packetbeat Reference [8.2] ›Configure Packetbeat ›Filter and enhance data with processors

Decode XML Wineventlog

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Decode XML Wineventlog

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This functionality is in technical preview and may be changed or removed in a future release. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features.

The decode_xml_wineventlog processor decodes Windows Event Log data in XML format that is stored under the field key. It outputs the result into the target_field.

The output fields will be the same as the winlogbeat winlog fields.

The supported configuration options are:

field
(Required) Source field containing the XML. Defaults to message.
target_field
(Required) The field under which the decoded XML will be written. To merge the decoded XML fields into the root of the event specify target_field with an empty string (target_field: ""). The default value is winlog.
overwrite_keys
(Optional) A boolean that specifies whether keys that already exist in the event are overwritten by keys from the decoded XML object. The default value is true.
map_ecs_fields
(Optional) A boolean that specifies whether to map additional ECS fields when possible. Note that ECS field keys are placed outside of target_field. The default value is true.
ignore_missing
(Optional) If true the processor will not return an error when a specified field does not exist. Defaults to false.
ignore_failure
(Optional) Ignore all errors produced by the processor. Defaults to false.

Example:

processors:
  - decode_xml_wineventlog:
      field: event.original
      target_field: winlog
{
  "event": {
    "original": "<Event xmlns='http://schemas.microsoft.com/win/2004/08/events/event'><System><Provider Name='Microsoft-Windows-Security-Auditing' Guid='{54849625-5478-4994-a5ba-3e3b0328c30d}'/><EventID>4672</EventID><Version>0</Version><Level>0</Level><Task>12548</Task><Opcode>0</Opcode><Keywords>0x8020000000000000</Keywords><TimeCreated SystemTime='2021-03-23T09:56:13.137310000Z'/><EventRecordID>11303</EventRecordID><Correlation ActivityID='{ffb23523-1f32-0000-c335-b2ff321fd701}'/><Execution ProcessID='652' ThreadID='4660'/><Channel>Security</Channel><Computer>vagrant</Computer><Security/></System><EventData><Data Name='SubjectUserSid'>S-1-5-18</Data><Data Name='SubjectUserName'>SYSTEM</Data><Data Name='SubjectDomainName'>NT AUTHORITY</Data><Data Name='SubjectLogonId'>0x3e7</Data><Data Name='PrivilegeList'>SeAssignPrimaryTokenPrivilege\n\t\t\tSeTcbPrivilege\n\t\t\tSeSecurityPrivilege\n\t\t\tSeTakeOwnershipPrivilege\n\t\t\tSeLoadDriverPrivilege\n\t\t\tSeBackupPrivilege\n\t\t\tSeRestorePrivilege\n\t\t\tSeDebugPrivilege\n\t\t\tSeAuditPrivilege\n\t\t\tSeSystemEnvironmentPrivilege\n\t\t\tSeImpersonatePrivilege\n\t\t\tSeDelegateSessionUserImpersonatePrivilege</Data></EventData><RenderingInfo Culture='en-US'><Message>Special privileges assigned to new logon.\n\nSubject:\n\tSecurity ID:\t\tS-1-5-18\n\tAccount Name:\t\tSYSTEM\n\tAccount Domain:\t\tNT AUTHORITY\n\tLogon ID:\t\t0x3E7\n\nPrivileges:\t\tSeAssignPrimaryTokenPrivilege\n\t\t\tSeTcbPrivilege\n\t\t\tSeSecurityPrivilege\n\t\t\tSeTakeOwnershipPrivilege\n\t\t\tSeLoadDriverPrivilege\n\t\t\tSeBackupPrivilege\n\t\t\tSeRestorePrivilege\n\t\t\tSeDebugPrivilege\n\t\t\tSeAuditPrivilege\n\t\t\tSeSystemEnvironmentPrivilege\n\t\t\tSeImpersonatePrivilege\n\t\t\tSeDelegateSessionUserImpersonatePrivilege</Message><Level>Information</Level><Task>Special Logon</Task><Opcode>Info</Opcode><Channel>Security</Channel><Provider>Microsoft Windows security auditing.</Provider><Keywords><Keyword>Audit Success</Keyword></Keywords></RenderingInfo></Event>"
  }
}

Will produce the following output:

{
  "event": {
    "original": "<Event xmlns='http://schemas.microsoft.com/win/2004/08/events/event'><System><Provider Name='Microsoft-Windows-Security-Auditing' Guid='{54849625-5478-4994-a5ba-3e3b0328c30d}'/><EventID>4672</EventID><Version>0</Version><Level>0</Level><Task>12548</Task><Opcode>0</Opcode><Keywords>0x8020000000000000</Keywords><TimeCreated SystemTime='2021-03-23T09:56:13.137310000Z'/><EventRecordID>11303</EventRecordID><Correlation ActivityID='{ffb23523-1f32-0000-c335-b2ff321fd701}'/><Execution ProcessID='652' ThreadID='4660'/><Channel>Security</Channel><Computer>vagrant</Computer><Security/></System><EventData><Data Name='SubjectUserSid'>S-1-5-18</Data><Data Name='SubjectUserName'>SYSTEM</Data><Data Name='SubjectDomainName'>NT AUTHORITY</Data><Data Name='SubjectLogonId'>0x3e7</Data><Data Name='PrivilegeList'>SeAssignPrimaryTokenPrivilege\n\t\t\tSeTcbPrivilege\n\t\t\tSeSecurityPrivilege\n\t\t\tSeTakeOwnershipPrivilege\n\t\t\tSeLoadDriverPrivilege\n\t\t\tSeBackupPrivilege\n\t\t\tSeRestorePrivilege\n\t\t\tSeDebugPrivilege\n\t\t\tSeAuditPrivilege\n\t\t\tSeSystemEnvironmentPrivilege\n\t\t\tSeImpersonatePrivilege\n\t\t\tSeDelegateSessionUserImpersonatePrivilege</Data></EventData><RenderingInfo Culture='en-US'><Message>Special privileges assigned to new logon.\n\nSubject:\n\tSecurity ID:\t\tS-1-5-18\n\tAccount Name:\t\tSYSTEM\n\tAccount Domain:\t\tNT AUTHORITY\n\tLogon ID:\t\t0x3E7\n\nPrivileges:\t\tSeAssignPrimaryTokenPrivilege\n\t\t\tSeTcbPrivilege\n\t\t\tSeSecurityPrivilege\n\t\t\tSeTakeOwnershipPrivilege\n\t\t\tSeLoadDriverPrivilege\n\t\t\tSeBackupPrivilege\n\t\t\tSeRestorePrivilege\n\t\t\tSeDebugPrivilege\n\t\t\tSeAuditPrivilege\n\t\t\tSeSystemEnvironmentPrivilege\n\t\t\tSeImpersonatePrivilege\n\t\t\tSeDelegateSessionUserImpersonatePrivilege</Message><Level>Information</Level><Task>Special Logon</Task><Opcode>Info</Opcode><Channel>Security</Channel><Provider>Microsoft Windows security auditing.</Provider><Keywords><Keyword>Audit Success</Keyword></Keywords></RenderingInfo></Event>",
    "action":   "Special Logon",
		"code":     "4672",
		"kind":     "event",
		"outcome":  "success",
		"provider": "Microsoft-Windows-Security-Auditing",
  },
	"host": {
    "name": "vagrant",
  },
  "log": {
    "level": "information",
  },
  "winlog": {
    "channel": "Security",
    "outcome": "success",
    "activity_id": "{ffb23523-1f32-0000-c335-b2ff321fd701}",
    "level": "information",
    "event_id": 4672,
    "provider_name": "Microsoft-Windows-Security-Auditing",
    "record_id": 11303,
    "computer_name": "vagrant",
    "keywords_raw": 9232379236109516800,
    "opcode": "Info",
    "provider_guid": "{54849625-5478-4994-a5ba-3e3b0328c30d}",
    "event_data": {
      "SubjectUserSid": "S-1-5-18",
      "SubjectUserName": "SYSTEM",
      "SubjectDomainName": "NT AUTHORITY",
      "SubjectLogonId": "0x3e7",
      "PrivilegeList": "SeAssignPrimaryTokenPrivilege\n\t\t\tSeTcbPrivilege\n\t\t\tSeSecurityPrivilege\n\t\t\tSeTakeOwnershipPrivilege\n\t\t\tSeLoadDriverPrivilege\n\t\t\tSeBackupPrivilege\n\t\t\tSeRestorePrivilege\n\t\t\tSeDebugPrivilege\n\t\t\tSeAuditPrivilege\n\t\t\tSeSystemEnvironmentPrivilege\n\t\t\tSeImpersonatePrivilege\n\t\t\tSeDelegateSessionUserImpersonatePrivilege"
    },
    "task": "Special Logon",
    "keywords": [
      "Audit Success"
    ],
    "message": "Special privileges assigned to new logon.\n\nSubject:\n\tSecurity ID:\t\tS-1-5-18\n\tAccount Name:\t\tSYSTEM\n\tAccount Domain:\t\tNT AUTHORITY\n\tLogon ID:\t\t0x3E7\n\nPrivileges:\t\tSeAssignPrimaryTokenPrivilege\n\t\t\tSeTcbPrivilege\n\t\t\tSeSecurityPrivilege\n\t\t\tSeTakeOwnershipPrivilege\n\t\t\tSeLoadDriverPrivilege\n\t\t\tSeBackupPrivilege\n\t\t\tSeRestorePrivilege\n\t\t\tSeDebugPrivilege\n\t\t\tSeAuditPrivilege\n\t\t\tSeSystemEnvironmentPrivilege\n\t\t\tSeImpersonatePrivilege\n\t\t\tSeDelegateSessionUserImpersonatePrivilege",
    "process": {
      "pid": 652,
      "thread": {
        "id": 4660
      }
    }
  }
}

See Conditions for a list of supported conditions.

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