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AlienVault® USM Anywhere™

Alarm Rules from the Orchestration Rules page

  Role Availability   Read-Only   Analyst   Manager

USM Anywhere allows you to easily identify existing and emerging threats, which are of interest. Through alarmAlarms provide notification of an event or sequence of events that require attention or investigation. rules, you can organize your threats and only see high-priority alarms, which can be received in email, and will help you to reduce noise and focus on important things.

Note: You can also create alarm rules from the details of an eventAny traffic or data exchange detected by AlienVault products through a Sensor, or through external devices such as a firewall., see Creating Alarm Rules from the Events page.

To create an alarm rule

  1. Navigate to SETTINGS > RULES.
  2. Click Create Orchestration Rule > Create Alarm Rule.
  3. Type a name for the rule.
  4. Select an Intent. The intent describes the context of the behavior that is being observed. These intents roughly map to the stages of the ‘Intrusion Kill Chains’ but collapsed so as to ensure that each is discrete. See Intent for further information about the available threat categories.
  5. Type a Method. If known, it is the method of attack or infiltrationIndicator that specifies method of attack that generated an alarm. For OTX pulses, this method is the pulse name. associated with the indicator that generated the alarm.
  6. Note: This is a required field; if you do not fill this field, the Save button will remain inactive.

  7. Select a Strategy. The strategy describes the broad-based strategy or behavior that is detected. The intention is to describe the strategy the maliciousActivity in a system that exceeds or misuses that access in a manner that negatively affects the confidentiality, integrity, or availability of the organization's information systems. user is using to achieve their goal.
  8. Type a Priority. See Priority Field for Alarms for more information.
  9. Configure a Mute value. Once an alarm is created, you can set the time that USM Anywhere will not create a new alarm based on the same conditions. This configured time is the mute value and you can specify it in seconds, minutes, and hours.
  10. Select the fields you want to display in the generated alarm. You can select or remove the fields you want to include in the details of the alarm by clicking the Right Arrow icon () and the Left Arrow icon ().
  11. Click Add Condition and select the property values you want to include in the rule to create a matching condition.
  12. Note: If the field is related to the name of a country, you should use the country code defined by the ISO 3166.

    Note: Keep in mind that the Sources or Destinations field needs to match the UUID (Universally Unique Identifier) of the event or alarm. You can use Source Name(s) or Destination Name(s) instead.

  13. You can click Add Group to group your conditions.
  14. Note: See Operators in the Orchestration Rules for further information.

  15. (Optional) To include a multiple occurrence parameter, click the More... link.

    These options function together to specify the number of occurrences within a time period that will produce a match for the rule. For example, you can define a rule to trigger an alarmAlarms provide notification of an event or sequence of events that require attention or investigation. for an unauthorized accessAn incident-type categorization that may be a precursor to other actions or stages of an attack. attempt when a failed SSH Program to securely log into another computer over a network, to execute commands in a remote machine, and to move files from one machine to another through SCP.loginLog in (verb): Process in which an individual gains access to a computer system after providing sufficient credentials to authenticate their unique identity. Login (noun): User credentials, typically a username and matching password. occurs three times within a five minute window.

    • Occurrences — Specify the number of event occurrences that produce a match on the conditional expression to trigger the rule. You can enter the number of occurrences or use the arrow to scroll the value up or down.
    • Length — Specify the length of the window used to identify a match for multiple occurrences. Enter the number and choose a time unit value of seconds, minutes, or hours.

      This duration identifies the amount of time that transpires from the first occurrence to the last occurrence. If the number of occurrences is not met within this period, the rule is not a match.

    Specify multiple occurances to match for the rule

    In this example, the rule will apply when the configured conditions happen three times every five minutes.

  16. Click Save Rule.
  17. The created rule will display in the list of rules.

To filter alarm rules by name

  1. Navigate to SETTINGS > RULES.
  2. Click Alarm Rules on the left navigation panel.
  3. Click in the box next to Filter by.
  4. Type your search.

To filter alarm rules by rule status

  1. Navigate to SETTINGS > RULES
  2. Click Alarm Rules on the left navigation panel.
  3. Click in the combo box next to Rule Status.
  4. Select All Rules, Enabled, or Disabled.

To edit an alarm rule

  1. Navigate to SETTINGS > RULES.
  2. Click Alarm Rules on the left navigation panel.
  3. Click the Edit icon () of the alarm rule you want to edit.
  4. Modify the data you need to.
  5. Click Save Rule.

To delete an alarm rule

  1. Navigate to SETTINGS > RULES.
  2. Click Alarm Rules on the left navigation panel.
  3. Click the Delete icon () of the alarm rule you want to delete.
  4. A popup window displays to confirm the deletion.

  5. Click Accept.

To enable an alarm rule

  1. Navigate to SETTINGS > RULES.
  2. Click Alarm Rules on the left navigation panel.
  3. Click the ON icon () of the alarm rule you want to enable.

To disable an alarm rule

  1. Navigate to SETTINGS > RULES.
  2. Click Alarm Rules on the left navigation panel.
  3. Click the OFF icon () of the alarm rule you want to disable.

To enable all alarm rules

  1. Navigate to SETTINGS > RULES.
  2. Click Alarm Rules on the left navigation panel.
  3. In the list of rules, click the first box in the first column to select all the alarm rules.
  4. Click Enable All Rules.

To disable all alarm rules

  1. Navigate to SETTINGS > RULES.
  2. Click Alarm Rules on the left navigation panel.
  3. In the list of rules, click the first box in the first column to select all the alarm rules.
  4. Click Disable All Rules.
  5. A warning popup window displays.

  6. Click Accept.