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Syslog Connector for the Carbon Black Cloud

Project description

Carbon Black Cloud Syslog Connector

The syslog connector lets administrators forward alert notifications and audit logs from their Carbon Black Cloud instance to local, on-premise systems, and:

  • Generates pipe-delimited syslog messages with alert metadata identified by the streaming prevention system
  • Aggregates data from one or more Carbon Black Cloud organizations into a single syslog stream
  • Can be configured to use UDP, TCP, or encrypted (TCP over TLS) syslog protocols

Helpful Links

Customer Support

Use the Developer Community Forum to report bugs, request changes, and discuss with other API developers in the Carbon Black Community.

Requirements

Installation

You can install the Syslog Connector using either PyPI or GitHub.

PyPI Installation

  1. Run the following command in your terminal: pip install cbc-syslog

  2. Navigate to the Python 2.7 package location: MacOS: /python2.7/site-packages/cbc_syslog Windows: C:\Python27\Lib\site-packages\cbc_syslog

  3. Copy and paste the Configuration File example shown below into your own .conf file and modify it to your own specifications. Below is a table of all the configurable inputs that can be used in the syslog connector.

    Input Required Description
    template Y Template for syslog output.
    back_up_dir Y Location of the Backup Directory. This will be the location of backup files in the event that results fail to send to Syslog. The backup files are deleted upon a successful process.
    policy_action_severity Y This sets the default severity level for POLICY_ACTION notifications. By default it is 4.
    output_format Y Output format of the data sent. Currently support json, leef, and cef formats
    output_type Y Configures the specific output. Valid options are: 'udp', 'tcp', 'tcp+tls', 'http'
    tcpout Y Output Type: IP:port
    udp_out Y Output Type: IP:port
    http_out Y Output Type: http/https endpoint - ie https://server.company.com/endpoint
    http_headers Y Required if using http: {'key1': 'value1', 'key2': 'value2'}
    https_ssl_verify Y Required if using http: True or False
    requests_ca_cert N Override ca file for self signed certificates when using https
    ca_cert N Specifies a file containing PEM-encoded CA certificates for verifying the peer server when using TLS+TCP syslog
    cert N Specifies a file containing PEM-encoded client certificate for verifying this client when using TLS+TCP syslog
    key N Specifies a file containing PEM-encoded private key for verifying this client when using TLS+TCP syslog
    key_password N Specifies the password to decrypt the given private key when using TLS+TCP syslog
    tls_verify N True or False
    api_connector_id Y API Connector ID
    api_key Y API Key
    siem_connector_id Y SIEM Connector ID
    siem_api_key Y SIEM Key
    server_url Y Server URL
  4. Create a .txt file for Logs.

  5. Create an empty backup folder. The location of this folder will be placed in back_up_dir seen in the Configuration file. For more information on the behavior of the backup folder please see the description of back_up_dir in Step 2.

  6. Test the new connector and run the following command:

    python cb_defense_syslog.py -l [LOG_FILE_LOCATION] -c [CONFIG_FILE_LOCATION]
    

    A successful run will look like:

    INFO:__main__:CB Defense Syslog 1.0
    INFO:__main__:Number of files in store forward: 0
    INFO:__main__:Found 2 Cb Defense Servers in config file
    INFO:__main__:Handling notifications for https://defense-test03.cbdtest.io
    INFO:notifications:Attempting to connect to url: https://defense-test03.cbdtest.io
    INFO:notifications:<Response [200]>
    INFO:notifications:successfully connected, no alerts at this time
    INFO:__main__:Sending Notifications
    INFO:__main__:There are no messages to forward to host
    INFO:__main__:Done Sending Notifications
    INFO:__main__:Sending Audit Logs
    INFO:__main__:Sending 18 messages to 00.00.000.00:000
    INFO:__main__:Done Sending Audit Logs
    INFO:__main__:Handling notifications for https://defense-eap01.conferdeploy.net
    INFO:notifications:Attempting to connect to url: https://defense-eap01.conferdeploy.net
    INFO:notifications:<Response [200]>
    INFO:__main__:Sending Notifications
    INFO:__main__:Sending 3 messages to 00.00.000.00:000
    INFO:__main__:Done Sending Notifications
    INFO:__main__:Sending Audit Logs
    INFO:__main__:Sending 24 messages to 00.00.000.00:000
    INFO:__main__:Done Sending Audit Logs
    

GitHub Installation

  1. Pull down the Repo. You may use git clone or pull down the zip file directly from GitHub.

  2. Navigate to the following location within the package /src/cbc_syslog

  3. Follow Steps 3-6 in the PyPI installation instructions.

Sample Config File

[general]

#
# Template for syslog output.
# This is a jinja 2 template
# NOTE: The source variable corresponds to the Cb Defense Server used to retrieve results
#
template = {{source}} {{version}}|{{vendor}}|{{product}}|{{dev_version}}|{{signature}}|{{name}}|{{severity}}|{{extension}}

#
#Location of the Backup Directory
#This will be the location of back up files in the event that results fail to send to Syslog
#

back_up_dir = /Users/jdoe/Documents/

#
# This sets the default severity level for POLICY_ACTION notifications.  By default it is 4.
#
# 0 - Emergency: System is unusable.
#
# 1 - Alert: Action must be taken immediately.
#
# 2 - Critical: Critical conditions.
#
# 3 - Error: Error conditions.
#
# 4 - Warning: Warning conditions.
#
# 5 - Notice: Normal but significant condition.
#
# 6 - Informational: Informational messages.
#
# 7 - Debug: Debug-level messages.
#
policy_action_severity = 4


#
# Output format of the data sent. Currently support json or cef formats
#
# Warning: if using json output_format, we recommend NOT using UDP output_type
#
output_format=cef

#
# Configure the specific output.
# Valid options are: 'udp', 'tcp', 'tcp+tls', 'http'
#
#  udp     - Have the events sent over a UDP socket
#  tcp     - Have the events sent over a TCP socket
#  tcp+tls - Have the events sent over a TLS+TCP socket
#  http    - Have the events sent over a HTTP connection
#
output_type=tcp

#
# tcpout=IP:port - ie 1.2.3.5:514
#
tcp_out=

#
# udpout=IP:port - ie 1.2.3.5:514
#
udp_out=

#
# httpout=http/https endpoint - ie https://server.company.com/endpoint
# http_headers= {'key1': 'value1', 'key2': 'value2'} - ie {'content-type': 'application/json'}
# https_ssl_verify = True or False
#
http_out=
http_headers= {'content-type': 'application/json'}
https_ssl_verify=True

#
# Override ca file for self signed certificates when using https
# This is typically a .pem file
#
#requests_ca_cert=/usr/share/cb/integrations/cb-defense-syslog/cert.pem

[tls]

#
# Specify a file containing PEM-encoded CA certificates for verifying the peer server when using TLS+TCP syslog
#
#ca_cert = /etc/cb/integrations/cb-defense/ca.pem

#
# Optionally specify a file containing PEM-encoded client certificate for verifying this client when using TLS+TCP syslog
# If cert is specified, key is a required parameter
#
#cert = /etc/cb/integrations/cb-defense/cert.pem

#
# Optionally specify a file containing PEM-encoded private key for verifying this client when using TLS+TCP syslog
# If key is specified, cert is a required parameter
#
#key = /etc/cb/integrations/cb-defense/cert.key

#
# Optionally specify the password to decrypt the given private key when using TLS+TCP syslog
#
#key_password = p@ssw0rd1

#
# Uncomment tls_verify and set to "false" in order to disable verification of the peer server certificate
#
#tls_verify = true

[cbdefense1]

#
# Cb Defense API Connector ID
#
api_connector_id = GO5M953111

#
# Cb Defense API Key
#
api_key = BYCRM7BRNSH0CXZR5V1Y3111

#
# Cb Defense SIEM Connector ID
#
siem_connector_id = UEUWR4U111

#
# Cb Defense SIEM Key
#
siem_api_key = XNS5UKWZXZMCC3CYC7DFM111

#
# Cb Defense Server URL
# NOTE: this is not the url to the web ui, but to the API URL (for example, https://api-prod05.conferdeploy.net)
#
server_url = https://server1.yourcompany.com

#
# For more than one Cb Defense Server, add another server using the following template including the stanza
#
#[cbdefenseserver2]
#api_connector_id = KJARWBZ111
#api_key = CQF35EIH2WDF69PTWKGC4111
#siem_connector_id = UEUWR4U111
#siem_api_key = XNS5UKWZXZMCC3CYC7DFM111
#server_url = https://server2.yourcompany.com

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