However, the tool still functions reliably on modern operating systems and continues to be referenced in cybersecurity tutorials and walkthroughs. Users should be aware of its status and consider it a tool for learning and exploration rather than enterprise-grade assessment.
The most prominent and widely available iteration of "WebKiller" is a Ruby-based for Kali Linux. The project, available on GitHub under the repository ultrasecurity/webkiller , is a free and open-source reconnaissance toolkit.
: Identifies other websites hosted on the same server/IP. Vulnerability Scanning & Discovery webkiller github
WebKiller is an open-source tool typically written in Python or Bash scripting (depending on the fork) designed to perform or Denial of Service (DoS) simulation on web servers.
: Retrieves basic registration data and DNS records. However, the tool still functions reliably on modern
ultrasecurity/webkiller: Tool Information Gathering ... - GitHub
The "WebKiller" name is not exclusive to open-source security tools, which can sometimes lead to confusion. A separate, unrelated project on the search results is a commercial product that has seen multiple updates. As of June 10, 2025, the 45th version of this product was released, featuring enhancements to access control and improvements to template rendering speed. This CMS is entirely distinct from the information-gathering and DoS tools discussed above. The project, available on GitHub under the repository
Automates the enumeration of hidden or unlinked subdomains to expand the target attack surface.