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IOC Alert

This Playbook is part of the Core - Investigation and Response Pack.#

Supported versions

Supported Cortex XSOAR versions: 6.6.0 and later.

IOCs provide the ability to alert on known malicious objects on endpoints across the organization.

Analysis Actions: The playbook will use several enrichment sources to determine the IOC verdict. Additionally, will use the Analytics module to run a prevalence check for the IOC.

Response Actions The playbook's first response action is a containment plan which is based on the playbook input. In that phase, the playbook will execute endpoint isolation.

Investigative Actions: When the playbook executes, it checks for additional abnormal activity using the Endpoint Investigation Plan playbook that can indicate the endpoint might be compromised.

Remediation Actions: In case results are found within the investigation phase, the playbook will execute remediation actions that include containment and eradication.

This phase will execute the following containment actions:

  • File quarantine
  • Endpoint isolation

And the following eradication actions:

  • Manual process termination
  • Manual file deletion


This playbook uses the following sub-playbooks, integrations, and scripts.


  • Eradication Plan
  • Enrichment for Verdict
  • Handle False Positive Alerts
  • Endpoint Investigation Plan
  • Recovery Plan
  • Containment Plan


This playbook does not use any integrations.


This playbook does not use any scripts.


  • extractIndicators
  • closeInvestigation

Playbook Inputs#

NameDescriptionDefault ValueRequired
BlockIndicatorsAutomaticallyWhether to block suspicious/malicious indicators automatically. Specify True/False.FalseOptional
ShouldCloseAutomaticallyWhether to close the alert automatically if it's established verdict is False Positive?TrueOptional
PreHostContainmentWhether to isolate the host before the investigation phase in case an IOC is found to be suspicious.FalseOptional
ShouldHandleFPautomaticallyWhether to automatically handle false positive alerts? Specify true/false.Optional
AutoRestoreEndpointWhether to execute the Recovery playbook.Optional
AutoContainmentSetting this input will impact both Containment Plan sub-playbooks. Without setting this input, the default values are True for the first occurrence and False for the second.
Whether to execute automatically or manually the containment plan tasks:
* Isolate endpoint
* Block indicators
* Quarantine file
* Disable user
FileRemediationShould be either 'Quarantine' or 'Delete'.QuarantineOptional
AutoEradicationWhether to execute automatically or manually the eradication plan tasks:
* Terminate process
* Delete file
* Reset the user's password

Playbook Outputs#

There are no outputs for this playbook.

Playbook Image#

IOC Alert