Security research, vulnerability analysis, technical findings, with an emphasis on Red Team operations

Virus Total

zk April 16, 2026 [Threat Intelligence, Red Team]

VirusTotal

API documentation

Official API v3 client libraries:

Unofficial API v2 client libraries:

Public API

base url: http://www.virustotal.com/vtapi/v2/

base url: http://www.virustotal.com/api/v3/

500 requests/day at 4 requests/minute

Must not be used for commercial products and services, or business workflows which do not contribute new files

IPs

https://www.virustotal.com/api/v3/ip_addresses/{ip}
https://www.virustotal.com/api/v3/ip_addresses/{ip}/comments
https://www.virustotal.com/api/v3/ip_addresses/{ip}/{relationship}

Example:

curl --request GET \
     --url https://www.virustotal.com/api/v3/ip_addresses/23.1.52.26 \
     --header 'accept: application/json' \
     --header 'x-apikey: [api_key]'

Domains

https://www.virustotal.com/api/v3/domains/{domain}
https://www.virustotal.com/api/v3/domains/{domain}/comments
https://www.virustotal.com/api/v3/domains/{domain}/{relationship}
https://www.virustotal.com/api/v3/domains/{domain}/relationships/{relationship}
https://www.virustotal.com/api/v3/resolutions/{id}

Premium API

VT Hunting

Livehunt

Compares files submitted to VT with YARA rules in real time

Retrohunt

Compare historical files with YARA rules, which can take up to 4 hours

VTDIFF

Provide a collection of hashes to track and avoid, to create YARA rules with common binary subsequences