Step 3. Configuring CyberTrace for interaction with ArcSight

This section describes how to configure CyberTrace for interaction with ArcSight during normal work.

To configure CyberTrace for interaction with ArcSight:

1. Open Kaspersky CyberTrace Web.
2. Select the Settings > Service tab.
3. In the Connection settings section, for Service listens on, select the IP address and port that Feed Service listens on for incoming events. The IP address and port are set when ArcSight Forwarding Connector is installed (its default value is 127.0.0.1:9999).
4. Select the Matching tab, and then select the Edit default rules link.

   The Default properties form opens.

5. On the Normalizing rules tab, do the following:
   • In the Regexp to replace field, enter the symbol sequence \=
   • In the Replace with field,enter the symbol =

   After you make the changes, the Normalizing rules tab must look like this:

   

   Normalizing rules tab

6. Select the Regular expressions tab. This tab contains universal regular expressions that match URLs (with protocol), hashes, IP addresses (src and dst), device name, vendor name, device IP address, user name, and event ID. Change these regular expressions to match the events.
7. Close the Default properties form.
8. On the Events format tab, in the Alert events format field, enter the following string:

   CEF:0|Kaspersky|Kaspersky CyberTrace for ArcSight|2.0|1|CyberTrace Service Event|4| reason=%Alert% msg=%RecordContext%

9. In the Detection events format field, specify the following string:

   CEF:0|Kaspersky|Kaspersky CyberTrace for ArcSight|2.0|2|CyberTrace Detection Event|8| reason=%Category% dst=%DST_IP% src=%DeviceIp% fileHash=%RE_HASH% request=%RE_URL% sourceServiceName=%Device% sproc=%Product% suser=%UserName% msg=CyberTrace detected %Category% externalId=%Id% %ActionableFields% cs5Label=MatchedIndicator cs5=%MatchedIndicator% cn3Label=Confidence cn3=%Confidence% cs6Label=Context cs6=%RecordContext%

ArcSight and actionable fields

The following actionable fields are used in Kaspersky Data Feeds. You can review the actionable fields on the Settings > Feeds tab. For more information, see section "Adding actionable fields to a feed".

• For Demo Botnet CnC URL Data Feed and Botnet CnC URL Data Feed:

  Field name	Output	CEF field
  mask	cs1	deviceCustomString1
  first_seen	flexString1	flexString1
  last_seen	flexString2	flexString2
  popularity	cn2	deviceCustomNumber2
  threat	cs3	deviceCustomString3
  urls/url	cs4	deviceCustomString4
  whois/domain	cs2	deviceCustomString2

• For Demo Malicious Hash Data Feed and Malicious Hash Data Feed:

  Field name	Output	CEF field
  first_seen	flexString1	flexString1
  last_seen	flexString2	flexString2
  popularity	cn2	deviceCustomNumber2
  threat	cs3	deviceCustomString3
  urls/url	cs4	deviceCustomString4
  file_size	fsize	file_size

• For Demo IP Reputation Feed and IP Reputation Data Feed:

  Field name	Output	CEF field
  first_seen	flexString1	flexString1
  last_seen	flexString2	flexString2
  popularity	cn2	deviceCustomNumber2
  threat_score	cn1	deviceCustomNumber1
  domains	cs2	deviceCustomString2
  urls/url	cs4	deviceCustomString4
  files/threat	cs3	deviceCustomString3

• For Malicious URL Data Feed:

  Field name	Output	CEF field
  mask	cs1	deviceCustomString1
  first_seen	flexString1	flexString1
  last_seen	flexString2	flexString2
  popularity	cn2	deviceCustomNumber2
  files/threat	cs3	deviceCustomString3
  category	cs4	deviceCustomString4
  whois/domain	cs2	deviceCustomString2

• For Mobile Malicious Hash Data Feed:

  Field name	Output	CEF field
  first_seen	flexString1	flexString1
  last_seen	flexString2	flexString2
  popularity	cn2	deviceCustomNumber2
  threat	cs3	deviceCustomString3
  file_size	fsize	file_size

• For Phishing URL Data Feed:

  Field name	Output	CEF field
  mask	cs1	deviceCustomString1
  first_seen	flexString1	flexString1
  last_seen	flexString2	flexString2
  popularity	cn2	deviceCustomNumber2
  industry	deviceFacility	deviceFacility
  whois/domain	cs2	deviceCustomString2

• For Mobile Botnet Data Feed:

  Field name	Output	CEF field
  threat	cs3	deviceCustomString3

• For Vulnerability Data Feed:

  Field name	Output	CEF field
  severity	cs3	deviceCustomString3
  detection_date	flexString1	flexString1

• For APT URL Data Feed:

  Field name	Output	CEF field
  detection_date	flexString1	flexString1
  publication_name	cs3	deviceCustomString3

• For APT IP Data Feed:

  Field name	Output	CEF field
  detection_date	flexString1	flexString1
  publication_name	cs3	deviceCustomString3

• For APT Hash Data Feed:

  Field name	Output	CEF field
  detection_date	flexString1	flexString1
  publication_name	cs3	deviceCustomString3

• For IoT URL Data Feed:

  Field name	Output	CEF field
  mask	cs1	deviceCustomString1
  first_seen	flexString1	flexString1
  last_seen	flexString2	flexString2
  popularity	cn2	deviceCustomNumber2
  files/threat	cs3	deviceCustomString3

Clearing ArcSight fields occupied by information from Kaspersky Data Feeds

If you want to use a CEF field for data other than information from Kaspersky Data Feeds, you must clear this field.

To clear a CEF field:

1. Select the Settings tab of Kaspersky CyberTrace Web.
2. Select the Feeds tab.
3. In the Filtering rules for feeds section, make sure the Kaspersky feeds tab is selected and then click the Kaspersky Threat Data Feed that contains the field that you want to clear.
4. In the Actionable fields section, find the Output field containing the name of the CEF field that you want to clear.
5. Click the Delete icon () next to the Output field that you found in the previous step.

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