Special thanks to Lenny Zeltser...
Several organizations offer free on-line tools for looking up a potentially malicious website. Some of these tools provide historical information; others examine the URL in real time to identify threats:
- AVG LinkScanner Drop Zone: Analyzes the URL in real time for threats
- BrightCloud URL/IP Lookup: Presents historical reputation data about the website
- Cisco IronPort SenderBase Security Network: Presents historical reputation data about the website
- G-Data MonkeyWrench Beta: Analyzes the URL in real time for threats (about)
- F-Secure Browsing Protection: Presents historical reputation data about the website
- Finjan URL Analysis: Analyzes the URL in real time for threats
- KnownSec: Presents historical reputation data about the website; Chinese language only
- Norton Safe Web: Presents historical reputation data about the website
- ParetoLogic URL Clearing House: Looks up malicious sites discovered using a web honeypot; registration required
- PhishTank: Looks up the URL in its database of known phishing websites
- Malware Domain List: Looks up recently-reported malicious websites
- MalwareURL: Looks up the URL in its historical list of malicious websites
- McAfee Site Advisor: Presents historical reputation data about the website
- McAfee TrustedSource: Presents historical reputation data about the website
- Trend Micro Web Reputation: Presents historical reputation data about the website
- Unmask Parasites: Looks up the URL in the Google Safe Browsing database
- URL Blacklist: Looks up the URL in its database of suspicious sites
- URL Query: Looks up the URL in its database of suspicious sites and examines the site's content
- URLVoid: Looks up the URL in several website blacklisting services
- vURL: Retrieves and displays the source code of the page; looks up its status in several blocklists
- Web of Trust: Presents historical reputation data about the website; community-driven
- Wepawet: Analyzes the URL in real time for threats
- Zscaler Zulu URL Risk Analyzer: Examines the URL using real-time and historical techniques
