Collect Infoblox logs

Supported in:

Google SecOps SIEM

Note: This feature is covered by Pre-GA Offerings Terms of the Google Security Operations Service Specific Terms. Pre-GA features might have limited support, and changes to pre-GA features might not be compatible with other pre-GA versions. For more information, see the Google Security Operations Technical Support Service guidelines and the Google Security Operations Service Specific Terms.

This document describes how you can collect Infoblox logs by using a Google Security Operations forwarder.

For more information, see Data ingestion to Google Security Operations.

An ingestion label identifies the parser which normalizes raw log data to structured UDM format. The information in this document applies to the parser with the INFOBLOX_DNS ingestion label.

Configure Infoblox

1. Sign in to the Infoblox web UI.
2. In the Infoblox web UI, select System > System properties editor > Monitoring.
3. Select the Log to external syslog servers checkbox.
4. In the External syslog servers section, click the plus (+) sign to add a new syslog server for the Google Security Operations forwarder.
5. In the Address field, enter the Google Security Operations forwarder server IP address.
6. In the Transport list, select either TCP or UDP.
7. In the Port field, enter the port number.
8. In the Node ID list, select LAN to include the Infoblox IP in the syslog header.
9. From the Available list, select the following and move them to the Selected list:
   • DNS queries
   • DNS responses
   • DHCP process

The Infoblox server forwards the query and response logs using syslog to the Google Security Operations forwarder.

Configure Google Security Operations forwarder and syslog to ingest Infoblox logs

1. Select SIEM Settings > Forwarders.
2. Click Add new forwarder.
3. Enter a unique name in the Forwarder name field.
4. Click Submit and then click Confirm. The forwarder is added and the Add collector configuration window appears.
5. In the Collector name field, enter a unique name for the collector.
6. Select Infoblox as the Log type.
7. Select Syslog as the Collector type.
8. Configure the following input parameters:
   • Protocol: specify the connection protocol the collector will use to listen for syslog data.
   • Address: specify the target IP address or hostname where the collector resides and listens for syslog data.
   • Port: specify the target port where the collector resides and listens for syslog data.
9. Click Submit.

For more information about Google Security Operations forwarders, see Google Security Operations forwarders documentation. For information about requirements for each forwarder type, see Forwarder configuration by type.

If you encounter issues when you create forwarders, contact Google Security Operations support.

Field mapping reference

This parser extracts Infoblox DNS logs in either SYSLOG or CEF format, normalizing them into UDM. It handles various log formats using grok patterns, extracts key fields like source or destination IP, DNS query details, and security information, and maps them to the appropriate UDM fields.

UDM mapping table

Log Field	UDM Mapping	Logic
agent.hostname	principal.hostname	For CEF formatted logs, if agent.hostname exists, it's mapped to principal.hostname.
client_ip	principal.ip	For CEF formatted logs, if client_ip exists, it's mapped to principal.ip.
client_port	principal.port	For CEF formatted logs, if client_port exists, it's mapped to principal.port.
data	answers.data	Extracted from the data field of the answers section in the raw log. Multiple occurrences are mapped as separate answers objects.
description	metadata.description	Mapped directly from the raw log's description field or extracted using grok patterns from other fields like message and msg2.
dest_ip1	target.ip	Extracted from the raw log and mapped to target.ip.
destinationDnsDomain	dns_question.name	For CEF formatted logs, if destinationDnsDomain exists, it's mapped to dns_question.name.
dns_class	dns_question.class	Mapped using the dns_query_class_mapping.include lookup table.
dns_domain	dns_question.name	Extracted from the raw log's message field using grok patterns and mapped to dns_question.name.
dns_name	dns_question.name	Extracted from the dns_domain field using grok patterns and mapped to dns_question.name.
dns_records	answers.data	For CEF formatted logs, if dns_records exists, it's mapped to answers.data. Multiple occurrences are mapped as separate answers objects.
dst_ip	target.ip or target.hostname	Extracted from the raw log's message field using grok patterns. If it's a valid IP address, it's mapped to target.ip; otherwise, it's mapped to target.hostname.
dst_ip1	target.ip or target.hostname	Extracted from the raw log's message or msg2 field using grok patterns. If it's a valid IP address, it's mapped to target.ip; otherwise, it's mapped to target.hostname. Only mapped if different from dst_ip.
evt_type	metadata.product_event_type	Mapped directly from the raw log's evt_type field, which is extracted from the message field using grok patterns.
InfobloxB1OPHIPAddress	principal.ip	For CEF formatted logs, if InfobloxB1OPHIPAddress exists, it's mapped to principal.ip.
InfobloxB1Region	principal.location.country_or_region	For CEF formatted logs, if InfobloxB1Region exists, it's mapped to principal.location.country_or_region.
InfobloxDNSQType	dns_question.type	For CEF formatted logs, if InfobloxDNSQType exists, it's mapped to dns_question.type.
intermediary	intermediary.ip or intermediary.hostname	Extracted from the raw log's message field using grok patterns. If it's a valid IP address, it's mapped to intermediary.ip; otherwise, it's mapped to intermediary.hostname.
msg2	metadata.description, dns.response_code, dns_question.name, target.ip, target.hostname, answers.name, answers.ttl, answers.data, answers.class, answers.type, security_result.severity	Extracted from the raw log's message field using grok patterns. Used for extracting various fields but not directly mapped to UDM.
name1	answers.name	Extracted from the raw log's msg2 field using grok patterns and mapped to answers.name.
name2	answers.name	Extracted from the raw log's msg2 field using grok patterns and mapped to answers.name.
protocol	network.ip_protocol	Mapped directly from the raw log's protocol field if it matches known protocols.
qclass	dns_question.class	Intermediate field used for mapping dns_class to UDM.
qclass1	answers.class	Intermediate field used for mapping dns_class1 to UDM.
qclass2	answers.class	Intermediate field used for mapping dns_class2 to UDM.
query_type	dns_question.type	Mapped using the dns_record_type.include lookup table.
query_type1	answers.type	Mapped using the dns_record_type.include lookup table.
query_type2	answers.type	Mapped using the dns_record_type.include lookup table.
recursion_flag	network.dns.recursion_desired	If the recursion_flag contains a "+", it's mapped to network.dns.recursion_desired as true.
record_type	dns_question.type	Intermediate field used for mapping query_type to UDM.
record_type1	answers.type	Intermediate field used for mapping query_type1 to UDM.
record_type2	answers.type	Intermediate field used for mapping query_type2 to UDM.
res_code	network.dns.response_code	Mapped using the dns_response_code.include lookup table.
response_code	network.dns.response_code	For CEF formatted logs, if response_code exists, it's mapped to network.dns.response_code using the dns_response_code.include lookup table.
security_action	security_result.action	Derived from the status field. If status is "denied", security_action is set to "BLOCK"; otherwise, it's set to "ALLOW".
severity	security_result.severity	For CEF formatted logs, if severity exists and is "informational", it's mapped to security_result.severity as "INFORMATIONAL".
src_host	principal.hostname	Extracted from the raw log's description or message field using grok patterns and mapped to principal.hostname.
src_ip	principal.ip or principal.hostname	Extracted from the raw log's message field using grok patterns. If it's a valid IP address, it's mapped to principal.ip; otherwise, it's mapped to principal.hostname.
src_port	principal.port	Extracted from the raw log's message field using grok patterns and mapped to principal.port.
ttl1	answers.ttl	Extracted from the raw log's msg2 field using grok patterns and mapped to answers.ttl.
ttl2	answers.ttl	Extracted from the raw log's msg2 field using grok patterns and mapped to answers.ttl.
metadata.event_type	metadata.event_type	Derived from various fields and parser logic. Defaults to GENERIC_EVENT if no other event type is identified. Possible values include NETWORK_DNS, NETWORK_CONNECTION, and STATUS_UPDATE.
metadata.log_type	metadata.log_type	Set to "INFOBLOX_DNS" by the parser.
metadata.product_name	metadata.product_name	Set to "Infoblox DNS" by the parser.
metadata.vendor_name	metadata.vendor_name	Set to "INFOBLOX" by the parser.
metadata.product_version	metadata.product_version	Extracted from CEF messages.
metadata.event_timestamp	metadata.event_timestamp	Copied from the timestamp field.
network.application_protocol	network.application_protocol	Set to "DNS" if the event_type is not "GENERIC_EVENT" or "STATUS_UPDATE".

Changes

2023-10-17

• Added a Grok pattern to handle unparsed logs.

2023-06-19

• Wrote a Grok pattern to extract 'hostname','ip' and 'port' and changed 'event_type'accordingly.

2022-02-09

• Wrote a Grok to extract 'hostname' and changed 'event_type'accordingly.
• Mapped 'src_host' to 'principal.hostname'.
• Mapped appropriate 'event_type'.

2023-01-19

• Added Grok pattern to support new Syslog.
• Added mapping for following:
• If log contains any ip protocol, such as TCP or UDP, value is mapped to "network.ip_protocol"..
• If log contains any intermediary IP address or hostname, value is mapped to "intermediary.ip/intermediary.hostname".

2022-09-09

• Modified and properly mapped the field 'syslog_timestamp' to 'metadata.event_timestamp'.

2022-08-25

• Mapped the field 'syslog_timestamp' to 'metadata.event_timestamp'.
• Added grok and conditional checks for the field 'smac' mapped to 'principal.mac'.
• Added conditional checks for the field 'dns_domain' mapped to 'network.dns.questions'.
• Added conditional checks for the field 'name1' mapped to 'network.dns.answers.name'.
• Added conditional checks for the field 'ttl1' mapped to 'network.dns.answers.ttl'.

2022-07-15

• Bugfix - Removed last character if it is dot from network.dns.questions.name, network.dns.answers.name, network.dns.answers.data

2022-06-02

• Bug-fix - IP was not extracted properly from syslog log so modified the grok to extract it properly.
• Enhancement - Provided support for CEF format logs.
• Mapped the following new fields:-
• InfobloxB1OPHIPAddress to principal.ip
• InfobloxDNSQType to dns.questions.type
• destinationDnsDomain to dns.questions.name
• InfobloxB1Region to principal.location.country_or_region

2022-04-28

• Removed extra word "query:" from "network.dns.questions.name" field.