Event Forwarder Not Sending Audit Logs in LEEF for on-prem EDR

Products

• Carbon Black EDR (formerly Cb Response)
• Carbon Black Hosted EDR (formerly Cb Response Cloud)
• Carbon Black EDR

Issue/Introduction

When enabling audit log capture with LEEF format, the format is sent in JSON

Environment

• EDR Server: All Versions
• Event Forwarder: 3.8.x to 3.8.4

Cause

Change in 3.8.x series is not reformatting the logs

Resolution

CB-41266 has been opened to correct this. Please watch for the next release with the fix. https://github.com/carbonblack/cb-event-forwarder/releases

Workaround:
The only work around at this time is to downgrade to 3.7.6

1. systemctl stop cb-event-forwarder
2. cp /etc/cb/integrations/event-forwarder/cb-event-forwarder.conf /tmp/cb-event-forwarder.conf.backup
3. yum remove cb-event-forwarder
4. yum install cb-event-forwarder-3.7.6*
5. mv /tmp/cb-event-forwarder.conf.backup /etc/cb/integrations/event-forwarder/cb-event-forwarder.conf
6. systemctl start cb-event-forwarder