NTT Cyber Threat Sensor

Retrieve alerts and recommendations from NTT CTS
This integration was integrated and tested with version 1.0 of NTT Cyber Threat Sensor

Configure NTT Cyber Threat Sensor in Cortex

Parameter	Description	Required
APIKEY	The API key for accessing CTS over AWS	True
TENANT_ID	Tenant identification. UUID formatted string	True
DAYS_BACK	Days to fetch for the first time this application runs	True
ITEMS_TO_FETCH	Number of items to fetch each iteration (1 to 100)	True
SOARTOKEN	The unique key for accessing the alerts and active response recommendations	True
isFetch	Fetch incidents	False
incidentType	Incident type	False
BASEURL	The base URL for the backend to consume from	True

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.

ntt-cyber-threat-sensor-poll-blobs

---

Check if blobs is available

Base Command

ntt-cyber-threat-sensor-poll-blobs

Input

Argument Name	Description	Required
event_id	ID of the incident from whom to fetch blobs for	Required
timestamp	ISO timestamp for when alert was triggered	Required

Context Output

Path	Type	Description
CTS.FetchBlob	boolean	True if there are blobs to fetch
CTS.Blob.ID	string	ID of the incident
CTS.Blob.Status	string	hold to wait and release to run

Command Example

!ntt-cyber-threat-sensor-poll-blobs event_id=07be6916957da6dc0b4c7fbf6995b1e44dccb9e7 timestamp=2020-08-12T07:29:01.464841

Context Example

{
    "CTS": {
        "Blobs": {
            "ID": "07be6916957da6dc0b4c7fbf6995b1e44dccb9e7",
            "Status": "release"
        }
    }
}

Human Readable Output

CTS blob(s) was found and has been sceduled for download

ntt-cyber-threat-sensor-fetch-blobs

---

Collecting blobs, most commonly pcap from an incident

Base Command

ntt-cyber-threat-sensor-fetch-blobs

Input

Argument Name	Description	Required
event_id	ID of the incident from whom to fetch blobs for	Required

Context Output

Path	Type	Description
File.Size	number	The size of the file.
File.SHA1	string	The SHA1 hash of the file.
File.SHA256	string	The SHA256 hash of the file.
File.Name	string	The name of the file.
File.SSDeep	string	The SSDeep hash of the file.
File.EntryID	string	The entry ID of the file.
File.Info	string	File information.
File.Type	string	The file type.
File.MD5	string	The MD5 hash of the file.
File.Extension	string	The file extension.
CTS.HasBlob	boolean	If one or more blobs exist then True

Command Example

!ntt-cyber-threat-sensor-fetch-blobs event_id=07be6916957da6dc0b4c7fbf6995b1e44dccb9e7

Context Example

{
    "CTS": {
        "HasBlob": [
            false,
            true
        ]
    },
    "File": {
        "EntryID": "226@b969e30d-f6de-490a-8f35-81a8939b5b97",
        "Extension": "pcap",
        "Info": "application/vnd.tcpdump.pcap",
        "MD5": "f6362d15102678983db75e7b764d973f",
        "Name": "6f5f0353-9ff6-4544-b6d9-1741a9842445.pcap",
        "SHA1": "a031573de579dea138351bb6742887baf9a5bf5a",
        "SHA256": "22cf474ab9be274078f4fc3796a7893f2bed9fe7920a921593ea43b8a4705a9f",
        "SHA512": "a751c7b436755aea5d7bbe3bfd0bc2e5a1ff5ddf8aadd956b50df18acaba4a43d969105bf9d28b66f8d2f9dcd1add1c0f73a5c9e6ccb01f0e34924f52acebee8",
        "SSDeep": "12288:90nf6/GBLS0c9s+txFd9Ri6KSIb9zK9RmnM:Of6/OYs+9kSaJKHmnM",
        "Size": 567348,
        "Type": "pcap capture file, microsecond ts (little-endian) - version 2.4 (Ethernet, capture length 65535)"
    }
}

Human Readable Output

CTS blob(s) downloaded:
[‘6f5f0353-9ff6-4544-b6d9-1741a9842445.pcap’]