Security tool · utils
unfurl
Pulls out and formats parts of URLs (domains, paths, params, keys). Handy for building custom wordlists from URL corpora.
Overview
Where unfurl fits
Pulls out and formats parts of URLs (domains, paths, params, keys). Handy for building custom wordlists from URL corpora.
Detection-first use
Start with the least intrusive template that can distinguish your hypothesis from a normal response. Preserve raw output and a negative control.
Install
Installation references
Install with goAuthorization required
go install github.com/tomnomnom/unfurl@latest- Positive signal
- Tool-specific output that supports the stated hypothesis.
- Negative control
- No result, or identical behavior against a known-safe control.
- Intrusiveness
- Review flags and target scope before execution.
Test safely
Command templates
Extract domainsAuthorization required
Populate placeholders only with assets that are explicitly in scope.
cat {input} | unfurl domains- Positive signal
- Tool-specific output that supports the stated hypothesis.
- Negative control
- No result, or identical behavior against a known-safe control.
- Intrusiveness
- Review flags and target scope before execution.
Param keysAuthorization required
Populate placeholders only with assets that are explicitly in scope.
cat {input} | unfurl keys- Positive signal
- Tool-specific output that supports the stated hypothesis.
- Negative control
- No result, or identical behavior against a known-safe control.
- Intrusiveness
- Review flags and target scope before execution.
Related
Continue the workflow
Sources
Attribution and verification
Version history: normalized permanent page created 2026-08-20. Upstream activity and popularity are separate signals and do not establish tool safety.