alert tcp [192.42.116.104,192.42.116.105,192.42.116.106,192.42.116.107,192.42.116.108,192.42.116.109,192.42.116.110,192.42.116.111,192.42.116.112,192.42.116.113] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 56"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520055; rev:6316; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_07_15;)