alert tcp [185.39.207.83,185.42.170.203,185.56.171.94,185.67.82.114,185.82.219.109,185.93.89.95,185.93.89.96,186.246.53.54,186.246.53.69,186.246.53.84] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 54"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520053; rev:6360; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_08_28;)