GreatHorn

This Integration is part of the GreatHorn Pack.

Supported versions

Supported Cortex XSOAR versions: 6.0.0 and later.

The only cloud-native security platform that stops targeted social engineering and phishing attacks on cloud email platforms like Office 365 and G Suite. This integration was integrated and tested with version 2.0 of GreatHorn

Configure GreatHorn in Cortex

Parameter	Description	Required
url	Base URL	True
api_version	API Version	True
apikey	API Key	True
insecure	Trust any certificate (not secure)	False
proxy	Use system proxy settings	False

Commands

You can execute these commands from the CLI, as part of an automation, or in a playbook. After you successfully execute a command, a DBot message appears in the War Room with the command details.

gh-get-message

---

Return message details for the specified event

Base Command

gh-get-message

Input

Argument Name	Description	Required
id	GreatHorn eventId, multiple values supported via CSV.	Required
includeheaders	Whether or not to include full message headers in the War Room output. Possible values are: true, false. Default is false.	Optional
showalllinks	Whether or not to show all links in the War Room output. When false only suspicious and malicious links will be returned to the War Room. Possible values are: true, false. Default is false.	Optional

Context Output

Path	Type	Description
GreatHorn.Message.eventId	Number	The GreatHorn event id
GreatHorn.Message.origin	String	Mailbox email was discovered
GreatHorn.Message.status	String	Has the system taken action on the event
GreatHorn.Message.xMailer	Unknown	X-Mailer header entry
GreatHorn.Message.sourcePath	String	GreatHorn discovered domain of sender
GreatHorn.Message.ip	String	GreatHorn discovered originating ip of sender
GreatHorn.Message.bodyOnlyWhitespace	Number	Body of email content is only whitespace
GreatHorn.Message.collector	Unknown	Email provider email discovered
GreatHorn.Message.dkim	String	dmarc authentication result
GreatHorn.Message.spf	String	spf authentication result
GreatHorn.Message.contentHash	String	Hash of email body conten
GreatHorn.Message.violations	Number	All body of email policy matches
GreatHorn.Message.workflow	String	Current action of event
GreatHorn.Message.targets	String	All recepients of the email
GreatHorn.Message.source	String	Email sender address
GreatHorn.Message.location	String	Location of sender ip origin
GreatHorn.Message.quarReleasedBy	Unknown	Who released the quarantined email
GreatHorn.Message.quarDeleted	Unknown	Has the event been deleted from quarantined
GreatHorn.Message.quarDeletedBy	Unknown	Who deleted the quarantined email
GreatHorn.Message.quarDenied	Unknown	Has the event been denied released from quarantined
GreatHorn.Message.subject	String	Email subject
GreatHorn.Message.xAuthResults	Unknown	X-Original-Authentication-Results header entry
GreatHorn.Message.dmarc	String	dmarc authentication result
GreatHorn.Message.returnPath	String	Return-Path header entry'
GreatHorn.Message.received	String	Received header entry
GreatHorn.Message.replyTo	String	Reply-To header entry
GreatHorn.Message.timestamp	Date	timestamp of the event, usually receivedTime
GreatHorn.Message.flag	Number	All policies the event matched
GreatHorn.Message.homographScore	Number	GreatHorn homograph score
GreatHorn.Message.owlScore	Number	GreatHorn threat score
GreatHorn.Message.anomalyScore	Number	GreatHorn anomaly score
GreatHorn.Message.authScore	Number	GreatHorn illegitmacy score
GreatHorn.Message.remediation	Unknown	Remediation action taken
GreatHorn.Message.quarantined	Unknown	Has the event been quarantined
GreatHorn.Message.quarExpired	Unknown	Has the event been expired from quarantined
GreatHorn.Message.quarReleaseRequested	Unknown	Has the event been requested to be relased from quarantined
GreatHorn.Message.quarReleased	Unknown	Has the event been released from quarantined
GreatHorn.Message.displayName	String	Display name of sender
GreatHorn.Message.country	String	Country of sender ip country
GreatHorn.Message.region	String	Region of sender ip origin
GreatHorn.Message.authenticationResults	String	Authentication-Results header entry
GreatHorn.Message.messageId	String	Message-Id header entry
GreatHorn.Message.headers	Object	Full set of headers for the email
GreatHorn.Message.links.resolvedUrl	Unknown	The URL of the resolved link if it points elsewhere
GreatHorn.Message.links.text	String	The text showing for the link discovered in the body of the email
GreatHorn.Message.links.url	String	URL of link discovered in body of email
GreatHorn.Message.links.tags	String	List of tags describing the analysis of the event

Command Example

!gh-get-message id="12345" includeheaders="true"

Context Example

{}

Human Readable Output

GreatHorn event not found

gh-search-message

---

Search for message based on filtering input

Base Command

gh-search-message

Input

Argument Name	Description	Required
fields	The fields to include in the response. By default, all fields are returned.	Optional
filters	The criteria to use in filtering search results. This should be input as a dictionary.	Optional
limit	The maximum number of entries to return per page of results. Default is 10; max is 200. Default is 10.	Optional
offset	The zero-based offset of the first item in the collection. Default is 0; max is 10000.	Optional
sort	The field to use in sorting results. Default is eventId. Default is eventId.	Optional
sortDir	Indicates if the sort direction is ascending or descending. Default is descending. Possible values are: desc, asc. Default is desc.	Optional

Context Output

Path	Type	Description
GreatHorn.Message.eventId	Number	The GreatHorn event id
GreatHorn.Message.origin	String	Mailbox email was discovered
GreatHorn.Message.status	String	Has the system taken action on the event
GreatHorn.Message.xMailer	Unknown	X-Mailer header entry
GreatHorn.Message.sourcePath	String	GreatHorn discovered domain of sender
GreatHorn.Message.ip	String	GreatHorn discovered originating ip of sender
GreatHorn.Message.bodyOnlyWhitespace	Number	Body of email content is only whitespace
GreatHorn.Message.collector	Unknown	Email provider email discovered
GreatHorn.Message.dkim	String	dmarc authentication result
GreatHorn.Message.spf	String	spf authentication result
GreatHorn.Message.contentHash	String	Hash of email body conten
GreatHorn.Message.violations	Number	All body of email policy matches
GreatHorn.Message.workflow	String	Current action of event
GreatHorn.Message.targets	String	All recepients of the email
GreatHorn.Message.source	String	Email sender address
GreatHorn.Message.location	String	Location of sender ip origin
GreatHorn.Message.quarReleasedBy	Unknown	Who released the quarantined email
GreatHorn.Message.quarDeleted	Unknown	Has the event been deleted from quarantined
GreatHorn.Message.quarDeletedBy	Unknown	Who deleted the quarantined email
GreatHorn.Message.quarDenied	Unknown	Has the event been denied released from quarantined
GreatHorn.Message.subject	String	Email subject
GreatHorn.Message.xAuthResults	Unknown	X-Original-Authentication-Results header entry
GreatHorn.Message.dmarc	String	dmarc authentication result
GreatHorn.Message.returnPath	String	Return-Path header entry'
GreatHorn.Message.received	String	Received header entry
GreatHorn.Message.replyTo	String	Reply-To header entry
GreatHorn.Message.timestamp	Date	timestamp of the event, usually receivedTime
GreatHorn.Message.flag	Number	All policies the event matched
GreatHorn.Message.homographScore	Number	GreatHorn homograph score
GreatHorn.Message.owlScore	Number	GreatHorn threat score
GreatHorn.Message.anomalyScore	Number	GreatHorn anomaly score
GreatHorn.Message.authScore	Number	GreatHorn illegitmacy score
GreatHorn.Message.remediation	Unknown	Remediation action taken
GreatHorn.Message.quarantined	Unknown	Has the event been quarantined
GreatHorn.Message.quarExpired	Unknown	Has the event been expired from quarantined
GreatHorn.Message.quarReleaseRequested	Unknown	Has the event been requested to be relased from quarantined
GreatHorn.Message.quarReleased	Unknown	Has the event been released from quarantined
GreatHorn.Message.displayName	String	Display name of sender
GreatHorn.Message.country	String	Country of sender ip country
GreatHorn.Message.region	String	Region of sender ip origin
GreatHorn.Message.authenticationResults	String	Authentication-Results header entry
GreatHorn.Message.messageId	String	Message-Id header entry
GreatHorn.Message.headers	Object	Full set of headers for the email
GreatHorn.Message.links.resolvedUrl	Unknown	The URL of the resolved link if it points elsewhere
GreatHorn.Message.links.text	String	The text showing for the link discovered in the body of the email
GreatHorn.Message.links.url	String	URL of link discovered in body of email
GreatHorn.Message.links.tags	String	List of tags describing the analysis of the event

Command Example

!gh-search-message filters="[{\"targets\": [\"penguin@scuftysails.com\"], \"origin\": [\"action@ifttt.com\"]}]"

Context Example

{

"GreatHorn": {

"Message": {

"Message": [],

"SearchCount": 0

}

}

}

Human Readable Output

Events

No entries.

gh-remediate-message

---

Perform the specified remediation action on message

Base Command

gh-remediate-message

Input

Argument Name	Description	Required
action	The action to take on the given message. Possible values are: archive, banner, delete, label, move, quarantine, delete, removeattachments, review, trash.	Required
eventId	The GreatHorn event ID.	Required
hasButton	If true, the banner will include a button enabling the end-user to remove the banner. Default is True. Possible values are: True, False. Default is True.	Optional
message	The text to display in the email's banner.	Optional
label	The name of the label to add. If the label name does not exist, it will be created.	Optional
location	The target location in the user's mailbox. If the location does not exist, it will be created.	Optional

Context Output

Path	Type	Description
GreatHorn.Remediation.action	String	Remediation action requested to be taken on the event
GreatHorn.Remediation.eventId	String	The Greathorn event ID
GreatHorn.Remediation.reason	String	Details of error seen if any
GreatHorn.Remediation.success	Number	Indication if the request was successful

Command Example

!gh-remediate-message action="banner" message="This email may be a phishing attempt" eventId="20128"

Context Example

{

"GreatHorn": {

"Remediation": {

"action": "banner",

"eventId": "20128",

"reason": "completed",

"success": true

}

}

}

Human Readable Output

Remediate action banner applied successfully to message 20128

gh-revert-remediate-message

---

Revert the specified remediation action on the given message

Base Command

gh-revert-remediate-message

Input

Argument Name	Description	Required
action	Remediation action to revert. Possible values are: banner, quarantinerequest, quarantinerelease, quarantinedeny, removeattachments, review.	Required
eventId	The GreatHorn event ID.	Required

Context Output

Path	Type	Description
GreatHorn.Remediation.action	String	Remediation action that was reverted
GreatHorn.Remediation.eventId	String	The GreatHorn event ID
GreatHorn.Remediation.reason	String	Details of error seen if any
GreatHorn.Remediation.success	Number	Indication if the request was successful

Command Example

!gh-revert-remediate-message action="banner" eventId="20128"

Context Example

{

"GreatHorn": {

"Remediation": {

"action": "banner",

"eventId": "20128",

"reason": "completed",

"success": true

}

}

}

Human Readable Output

Revert action banner applied successfully to message 20128

gh-get-policy

---

Retrieve details about the policy specified

Base Command

gh-get-policy

Input

Argument Name	Description	Required
policyid	The ID of the policy.	Optional

Context Output

Path	Type	Description
GreatHorn.Policy.name	String	The user-defined name of the policy
GreatHorn.Policy.enabled	Number	Whether the policy is enabled
GreatHorn.Policy.config	String	The match configuration of the policy
GreatHorn.Policy.id	Number	The ID of the policy
GreatHorn.Policy.description	String	The user-defined description of the policy

Command Example

!gh-get-policy policyid="16567"

Context Example

{

"GreatHorn": {

"Policy": {

"actions": [

{

"addresses": [

""

],

"quarantineNotification": false,

"releaseNotification": false,

"type": "quarantine"

}

],

"config": [

"or",

[

"and",

{

"opt": "from",

"type": "regex",

"values": [

"asdf2@asdf2.com",

"asdf@asdf.com"

]

}

]

],

"description": "",

"enabled": true,

"id": 16567,

"name": "Penalty box policy"

}

}

}

Human Readable Output

Policy

ID	Name	Enabled	Description	Actions
16567	Penalty box policy	true		quarantine

gh-set-policy

---

Retrieve details about the policy specified.

Base Command

gh-set-policy

Input

Argument Name	Description	Required
updatemethod	Update method for the given policy. Possible values are: patch, put.	Required
policyid	The ID of the policy.	Required
policyjson	Policy defintion or policy change defintion. Input as a dictionary.	Required

Context Output

Path	Type	Description
GreatHorn.Policy.id	Number	The ID of the policy.

Command Example

!gh-set-policy policyid="16567" updatemethod="patch" policyjson="{\"config\": [\"or\", [\"and\", {\"opt\": \"from\", \"values\": [\"asdf@asdf.com\",\"asdf2@asdf2.com\"], \"type\": \"regex\"}]]}"

Context Example

{

"GreatHorn": {

"Policy": {

"id": "16567",

"success": true

}

}

}

Human Readable Output

Update applied successfully to policy 16567