alert tcp [185.93.89.96,187.127.6.7,188.239.191.25,188.68.36.28,188.68.41.191,188.68.49.235,188.68.52.231,190.103.179.98,190.120.229.2,190.120.229.98] 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:6317; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_07_16;)