alert tcp [5.104.86.6,51.15.15.81,51.15.16.14,51.15.18.73,51.15.59.15,51.158.151.177,51.195.91.124,51.81.222.62,51.91.18.151,5.252.154.89] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 122"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520121; 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;)