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Product Overview

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Product Overview

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The File Integrity Monitoring (FIM) service provides collection, analysis, and notification of changes to critical operating system files, as defined by Armor's FIM policy. Armor utilizes an enterprise-class FIM application and deploys the application agent with the Armor Agent. Armor is responsible for the configuration of the FIM services via remote agent. Configuration includes the application and maintenance of the policies associated with the service. Configuration specific to the local Host or network/environment to enable the service is a Customer responsibility. Armor is responsible for the administration of the FIM service through the Armor Agent. For the purposes of this section, "administration" is defined as the management of licenses and the application used to provide the service and the administration of the underlying FIM platform.

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When traditional firewalls or intrusion detection systems (IDS) fail to prevent or detect a threat, monitoring operating system (OS) and application changes at the host level provides an additional layer of detection for indicators of compromise (IOC) or a breach of your environment. Security teams are largely in the dark to an attacker's presence, activities, and movements without monitoring processes and applications at the host level. Armor FIM watches your hosts 24/7/365 for anomalous and unauthorized activities to detect potential threats. It monitors critical system file locations on your hosts as well as critical OS files for changes that may allow threat actors to control your environment.

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Note

To fully use this screen, you must add the following permission to your account:

  • Read FIM

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Enable Trend Sub-Agent

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As a prerequisite to installing File Integrity Monitoring, you must install the Trend sub-agent. Use the following commands to manage the Trend sub-agent.

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Info

You can also manage the Trend sub-agent in the Armor Toolbox.

Recommendation Scans

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One of the features available in Agent 3.0 is Recommendation scans. Recommendation scans provide a good starting point for establishing a list of rules that you should implement. During a recommendation scan, the Armor Agent scans the operating system for installed applications, the Windows registry, open ports, and more. To take advantage of Recommendation scans, turn on Ongoing Recommendation scans in the Toolbox.

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Recommendation Scans work in tandem with the Auto-Apply configuration for FIM. The results of the Recommendation Scan can only be applied when Auto-Apply for the FIM service is turned on.

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Install Trend Sub-Agent:

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Windows: C:\.armor\opt\armor.exe trend install
Linux: /opt/armor/armor trend install


Uninstall Trend Sub-Agent:

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Windows: C:\.armor\opt\armor.exe trend uninstall
Linux: /opt/armor/armor trend uninstall

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Trend Sub-Agent Status:

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Agent Status:

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Windows: C:\.armor\opt\armor.exe trend status
Linux: /opt/armor/armor trend status


Turn On Recommended Scans:

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Windows: C:\.armor\opt\armor.exe trend ongoing-recommendation-scan on
Linux: /opt/armor/armor trend ongoing-recommendation-scan on


Turn Off Recommended Scans:

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Windows: C:\.armor\opt\armor.exe trend ongoing-recommendation-scan off
Linux: /opt/armor/armor trend ongoing-recommendation-scan off


Schedule a Recommended Scan (Runs on Next Trend Sub-Agent Heartbeat):

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Windows: C:\.armor\opt\armor.exe trend recommendation-scan
Linux: /opt/armor/armor trend recommendation-scan


Set Recommendation Scan Interval:

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Windows: C:\.armor\opt\armor.exe trend set-recommendation-scan-interval <interval>
Linux: /opt/armor/armor set-recommendation-scan-interval <interval>
Info

Options

are

"24

Hours"

"2

Days"

"3

Days"

"7

Days"

"2

Weeks"

"3

Weeks"

"4

Weeks"


Get Recommendation Scan Interval:

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Windows: C:\.armor\opt\armor.exe trend get-recommendation-scan-interval
Linux: /opt/armor/armor trend get-recommendation-scan-interval


Trend Sub-Agent Help

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Windows: C:\.armor\opt\armor.exe trend help
Linux: /opt/armor/armor trend help

Restart Trend:

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Restart Trend:
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Windows: C:\.armor\opt\armor.exe trend service-restart
Linux: /opt/armor/armor trend service-restart
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Enable File Integrity Monitoring Service
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Use the following commands to manage the File Integrity Monitoring service. These commands can be scheduled as tasks within the Armor Toolbox.
Turn On File Integrity Monitoring:
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Windows: C:\.armor\opt\armor.exe fim on
Linux: /opt/armor/armor fim on

Optional Parameters
Windows: C:\.armor\opt\armor.exe fim on auto-apply-recommendations=on
Linux: /opt/armor/armor fim on auto-apply-recommendations=on

Windows: C:\.armor\opt\armor.exe fim on auto-apply-recommendations=off
Linux: /opt/armor/armor fim on auto-apply-recommendations=off
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Turn Off File Integrity Monitoring:
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Windows: C:\.armor\opt\armor.exe fim off
Linux: /opt/armor/armor fim off
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File Integrity Monitoring Status:
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Windows: C:\.armor\opt\armor.exe fim status
Linux: /opt/armor/armor fim status
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List of Assigned FIM Rules on Policy:
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Windows: C:\.armor\opt\armor.exe fim list-assigned-rules
Linux: /opt/armor/armor fim list-assigned-rules
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Assign FIM Rules: 
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Windows: C:\.armor\opt\armor.exe fim assign-rules ID
Linux: /opt/armor/armor fim assign-rules ID
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Un-Assign FIM Rule: 
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Windows: C:\.armor\opt\armor.exe fim unassign-rule ID
Linux: /opt/armor/armor fim unassign-rule ID
File Integrity Monitoring Help
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ID

File Integrity Monitoring Help
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Windows: C:\.armor\opt\armor.exe fim help
Linux: /opt/armor/armor fim help
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Add Custom Filepath Rule
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Windows: C:\.armor\opt\armor.exe fim add-custom-filepath-rule "<name>,<filepath>,<description>"
Linux: /opt/armor/armor fim add-custom-filepath-rule "<name>,<filepath>,<description>"
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Once a rule is added, you must run the Assign FIM Rules command in order for the rule to be applied.
Update Custom Filepath Rule
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Windows: C:\.armor\opt\armor.exe fim update-custom-filepath-rule "<id>,<name>,<filepath>,<description>"
Linux: /opt/armor/armor fim update-custom-filepath-rule "<id>,<name>,<filepath>,<description>"
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Delete Custom Filepath Rule
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Windows: C:\.armor\opt\armor.exe fim delete-custom-filepath-rule "<id>"
Linux: /opt/armor/armor fim delete-custom-filepath-rule "<id>"
Get Custom Filepath Rule
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Rule
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Windows: C:\.armor\opt\armor.exe fim get-custom-filepath-rule "<id>"
Linux: /opt/armor/armor fim get-custom-filepath-rule "<id>"
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View FIM Data
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  1. In the Armor Management Portal (AMP), in the left-side navigation, click Security.
  2. Click File Integrity Monitoring.
Column
Description
Name
For Armor's private cloud, the name of the virtual machine you created in AMP.
For Armor Anywhere, the name of the instance that contains the installed Anywhere agent, which includes the FIM sub-agent.
Provider
For Armor's private cloud, the entry will display Armor.
For Armor Anywhere, the name of the public cloud provider for the instance.
Status
The health status of the sub-agent, which is based on how long 
 the FIM 
the FIM sub-agent has been offline.
There are three status types:
  • Secured (in green)
  • Warning (in yellow)
  • Critical (in red)
Connectivity
The connection status of the sub-agent
 has been offline
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There are three 
 status 
connection types:
  • Secured (in green)
  • Warning (in yellow)
  • Critical (in red)
Connectivity
The connection status of the sub-agent.
There are three connection types:
  • Online indicates that the sub-agent is online.
  • Offline indicates that the sub-agent is currently offline.
  • Needs Attention indicates that the sub-agent has not communicated with Armor.
Timestamp
The date and time that the FIM sub-agent last communicated with Armor.
 Info
To learn how the overall FIM status is determined, see Understand FIM data.
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  • Online indicates that the sub-agent is online.
  • Offline indicates that the sub-agent is currently offline.
  • Needs Attention indicates that the sub-agent has not communicated with Armor.
Timestamp
The date and time that the FIM sub-agent last communicated with Armor.
 Info
To learn how the overall FIM status is determined, see Understand FIM data.

Understand FIM Data
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In the File Integrity Monitoring screen, the dashboard displays the various FIM statuses of your virtual machines (or hosts):
  • Green indicates a virtual machine in a Secured FIM status.
  • Yellow indicates a virtual machine in a Warning FIM status. 
  • Red indicates a virtual machine in a Critical FIM status.
Armor determines the status of FIM based on how long FIM has been offline.
  • If FIM is offline for 2 to 7 days, then the FIM status changes from Secured to Warning. 
  • If FIM is offline for 8 days or more, then the FIM status changes from Warning to Critical. 
Length of offline status
Security Status
2 to 7 days
Warning
8 days or more
Critical
 Note
The overall status of your virtual machine is based on the individual status of your virtual machine's subcomponents, including FIM.

View Detailed FIM Data
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The File Integrity Monitoring detailsscreen displays the changes that has been detected in certain files in your virtual machine. This screen only shows data for the last 90 days. 
  1. In the Armor Management Portal (AMP), in the left-side navigation, click Security.
  2. Click File Integrity Monitoring.
  3. Locate and select the desired virtual machine.
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Column
Description
Filename
The name of the file where a change was detected.
Description
A short summary of the change that took place.
Change Type
The type of change that took place in the file.
Scan Date
The date when the change was detected.
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Export FIM Data
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To export the data: 
  1. In the Armor Management Portal (AMP), in the left-side navigation, click Security.
  2. Click File Integrity Monitoring.
  3. (Optional) Use the filter function to customize the data displayed.
  4. Below the table, click CSV. You have the option to export all the data (All) or only the data that appears on the current screen (Current Set).
    Function
    Data Displayed
    Notes
    CSVVM Name, VM Provider, IP Address, OS, FIM Agent Status Fixed, FIM Agent Version, FIM Last Communication DateA blank entry indicates that the action has never taken place.
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Troubleshoot FIM Troubleshooting
Armor troubleshoots servers that contain File Integrity Monitoring sub-components in a Warning or Critical status. To troubleshoot with Armor, you must submit a support ticket.
  1. In the Armor Management Portal (AMP), click Support, and then click Tickets.
  2. Click Create a Ticket.
  3. Select or search for the desired category for your ticket request type.
  4. Complete the missing fields.
    1. In Description, enter useful details that can help Armor quickly troubleshoot the problem.
  5. Click Create.
  6. To view the status of your ticket, in the left-side navigation, click Support, and then click Tickets. 

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Troubleshoot FIM 
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Log Search for File Integrity Monitoring
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Users can search for FIM events in Log Search. For instructions on how to access and use Log Search, please see our documentation here.
An example of FIM logs can be seen below:
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For a full list of Log Search fields and descriptions, please visit our glossary here. 
Frequently Asked Questions
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What kind of activity does File Integrity Monitoring look for?
Changes to critical OS file sand processes such as directories, registry keys, and values. It also watches for changes to application files, rogue applications running on the host, and unusual process and port activity and system incompatibilities.
What happens with events that are detected by File Integrity Monitoring?
Events are analyzed and correlated with event data from your other devices under Armor management through our threat prevention and response platform, delivering enhanced detection of potential threats across your cloud, on-premise, hybrid, and hosted environments.
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Topics Discussed
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