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research
Adding some Automation to the favicon.ico method of Host Recon
A security practitioner describes automating the process of discovering in-scope hosts during penetration testing by extracting favicon.ico file hashes and querying Shodan's API to find other hosts sharing the same icon. The workflow uses command-line tools to hash favicons, search Shodan, parse JSON results with jq, and generate a clean list of hostnames suitable for further reconnaissance activities like network scanning.
Why it matters: Penetration testers and security teams conducting target scoping need efficient methods to identify all hosts within an engagement boundary; this automation accelerates host discovery when organizations reuse favicon files across multiple domains or infrastructure.
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Correction
Correction recorded as of .
research
Adding some Automation to the favicon.ico method of Host Recon
No summary had been written when this copy was frozen.
- First seen by Cybersecurity Tracker
Source attribution
Correction
Correction recorded as of .
research
Adding some Automation to the favicon.ico method of Host Recon
The post describes a workflow that automates favicon.ico hash extraction from target websites using curl and a Python one liner. It then shows how to query Shodan's application programming interface for that hash and parse the JSON output to obtain a list of hostnames. The resulting hostname list can be fed directly into tools such as nmap for further scanning.
Why it matters: Security practitioners conducting host reconnaissance can expand their target scope by leveraging favicon.ico hash matches via Shodan, gaining additional hostnames that might otherwise be missed.
- Source published
- First seen by Cybersecurity Tracker
Source attribution
Correction
Correction recorded as of .
research
Adding some Automation to the favicon.ico method of Host Recon
The post describes a workflow that automates favicon.ico hash extraction from target websites using curl and a Python one liner. It then shows how to query Shodan's application programming interface for that hash and parse the JSON output to obtain a list of hostnames. The resulting hostname list can be fed directly into tools such as nmap for further scanning.
Why it matters: Security practitioners conducting host reconnaissance can expand their target scope by leveraging favicon.ico hash matches via Shodan, gaining additional hostnames that might otherwise be missed.
- Source published
- First seen by Cybersecurity Tracker