alert tcp [89.147.110.154,89.147.110.251,89.147.110.82,89.147.111.87,89.234.157.254,89.58.26.216,89.58.41.156,90.255.234.132,91.132.144.59,91.203.144.194] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 123"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520122; rev:6266; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_05_26;)