Splunk® Supporting Add-on for Active Directory

Deploy and Use the Splunk Supporting Add-on for Active Directory (SA-LDAPSearch)

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This documentation does not apply to the most recent version of Splunk® Supporting Add-on for Active Directory. For documentation on the most recent version, go to the latest release.
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The ldapgroup command

Overview

The 'ldapgroup' command filters and augments events with information from Active Directory. It follows a 'search' or similar command in the pipeline so that you can feed it events. A sample usage follows:

|ldapsearch domain=SPL search="(objectClass=group)"|ldapgroup

There are several possible arguments:

Argument Description
groupdn=<field-name> Specifies the field to use as the distinguished name of the group to expand.
domain=<domain> Specifies the name of a configuration stanza in ldap.conf. If you do not specify a domain, the command uses the default stanza.
debug=<boolean> Specifies whether or not ldapgroup should write debug log data. When set to T, specifies that debug logging should occur.
logging_level=(CRITICAL|ERROR|WARNING|INFO|DEBUG) Specifies the logging level for the $SPLUNK_HOME/var/log/splunk/SA-ldapsearch.log file. Splunk can access this file with the "index=_internal sourcetype=SA-ldapsearch" search and exposes the following fields:

File: Full pathname of the source file where the logging call was made.
Level: Level of the logging call that was made; one of CRITICAL, ERROR, WARNING, INFO, or DEBUG.
Line: Line number in the source file where the logging call was made.
Pid: ID of the process that made the logging call.
log_source: String of the form "Pid=<Pid>, File=<File>, Line=<Line>".
message: Full text of the logged message.

ldapgroup writes its debug logs to $SPLUNK_HOME/var/log/splunk/SA-ldapsearch.log. Splunk indexes and rotates this file by default.

Once it completes execution, ldapgroup adds five additional fields to each event:

Field Description
member_dn The list of Member Distinguished Names (DNs).
member_domain The NetBIOS domain(s) for the member DN(s).
member_name The sAMAccountName (SAM account name) for the member DN(s).
member_type The type of membership (one of PRIMARY, DIRECT or NESTED with the group DN).
mv_combo all of the above, combined into a single field separated by ###.

Examples

To display a table of all groups with their members and membership type:

|ldapsearch domain=SPL search="(objectClass=group)"|table cn,distinguishedName|ldapgroup|table cn,member_dn,member_type

Last modified on 16 March, 2023
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This documentation applies to the following versions of Splunk® Supporting Add-on for Active Directory: 3.0.7


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