#Tools FavFreak , extract facicons from a list of target URLs
git clone https://github.com/devanshbatham/FavFreak.git
cat http.txt | python3 favfreak.py
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Murmurhash , similar tool with single url functionality
git clone https://github.com/Viralmaniar/MurMurHash.git
cd MurMurHash
pip install -r requirements.txt
python MurMurHash.py
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Manual
curl -s -L -k https://test.favicon.ico | python3 -c 'import mmh3,sys,codecs;print(mmh3.hash(codecs.encode(sys.stdin.buffer.read(),"base64")))'
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Use Fofa for quick check then feed to Shodan --> http.html_hash:12345678