Database: Malc0de

Malc0de is a "living" database. Entries older than 30-60 days are often purged or marked offline. If you need historical threat hunting data (e.g., "Was this domain malicious two years ago?"), you will need a paid service like VirusTotal’s Retrohunt.

You can search for specific IP addresses to check their reputation. This is critical for auditing network logs for outbound connections to malicious servers (Command & Control servers).

The Malc0de Database was a widely respected, community-driven repository of malware intelligence. For over a decade, it served as a critical resource for security researchers, Intrusion Detection System (IDS) administrators, and Security Operations Centers (SOC). The database provided real-time lists of malicious IP addresses, domain names, and URL payloads, which were integrated into thousands of security products and scripts.

At its core, Malc0de is a security repository that provides a live, frequently updated list of domains and IP addresses identified as distributing malware. Unlike static blacklists that can quickly become obsolete, Malc0de focuses on active threats malc0de database

Academic research often references Malc0de to study the lifespan of malicious domains. Research indicates that malicious domains can remain active for extended periods—sometimes for over two years—before they are successfully taken down. Malc0de data allows researchers to track:

For over a decade, it operated alongside platforms like the Malware Domain List and PhishTank. It bridged the gap between raw web infrastructure and practical cyber defense. 🛠️ Core Functionality and Architecture

The most direct application was as a . Security practitioners worldwide used malc0de's blocklists to protect their networks. The project's data was incorporated into various open-source and commercial solutions: Malc0de is a "living" database

However, for historians of malware, researchers studying the evolution of exploit kits (specifically the RIG EK), or those maintaining legacy air-gapped systems, the archived data from the Malc0de database remains an invaluable reference corpus.

You’ll need to scrape or periodically download the static list. No real-time query API, which limits integration into automated SOAR playbooks.

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Security teams use the feed to update firewalls and DNS filters to block connections to known malicious domains [21].

Analysts use the database to verify if an IP found in traffic logs has been previously flagged as malicious. Blacklisting: Security tools like