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AlienVault® USM Anywhere™

Microsoft Windows NXLog

When you configure Microsoft Windows NXLog integration to send log data from Sysmon, MS Windows, and any other host event sources to USM Anywhere, you can use the Windows NXLog plugin to translate the raw log data into normalized events for analysis.

Device Details
Device vendor Microsoft
Device type Adapter
Connection type syslog
Vendor link https://nxlog.co/docs/nxlog-ce/nxlog-reference-manual.html#forwarding

Integrating NXLog

Before you configure the integration, you must have the IP Address of the USM AnywhereUSM Appliance Sensor.

To configure NXLog to send log data to USM Anywhere

If you want to limit the events collected and sent to USM Anywhere, you can use the patterndb.xml file provided by AlienVault.

  1. Download the patterndb file and place it in C:\Program Files (x86)\nxlog\conf on your Windows machine.
  2. In the NXLog configuration file downloaded from AlienVault, uncomment the section between NXLOG WITH PATTERNDB and /NXLOG WITH PATTERNDB.

Important: Windows Event IDs not present in patterndb.xml are not forwarded. Excluding events not relevant to security helps improve the overall performance of the plugin. Consequently, some correlation rules may not be triggered because they rely on those events.

Plugin Enablement

The Windows NXLog plugin will automatically process all messages when the raw message contains (eventlog|wseventing).

Available Plugin Fields

The following plugin fields are important attributes extracted from the syslog message. USM Anywhere reports use these fields, and you can also reference them when creating custom reports. In addition to reporting, the USM Anywhere correlation rules make use of these fields.

  • application

  • authentication_mode

  • authentication_type

  • customfield_0

  • customfield_1

  • customfield_2

  • customfield_3

  • customfield_4

  • customfield_5

  • customfield_6

  • customfield_7

  • customheader_0

  • customheader_1

  • customheader_2

  • customheader_3

  • customheader_4

  • customheader_5

  • customheader_6

  • customheader_7

  • destination_address

  • destination_hostname

  • destination_port

  • destination_process

  • destination_process_id

  • destination_username

  • event_category

  • event_description

  • event_name

  • event_severity

  • event_subcategory

  • external_id

  • file_hash

  • file_hash_algorithm

  • file_name

  • log_json

  • malware_family

  • policy

  • rep_device_rule_id

  • security_group_name

  • sevent_subcategory

  • source_address

  • source_hostname

  • source_ntdomain

  • source_port

  • source_process

  • source_process_commandline

  • source_process_id

  • source_process_parent

  • source_process_parent_commandline

  • source_process_parent_process_id

  • source_userid

  • source_username

  • timestamp_occured

  • transport_protocol

Troubleshooting

For troubleshooting, refer to the vendor documentation:

https://nxlog.co/docs/nxlog-ce/nxlog-reference-manual.html#troubleshooting