alert tcp [139.99.172.11,139.99.8.57,141.239.158.222,141.98.11.62,142.249.174.12,143.20.166.14,144.126.147.123,144.31.237.91,144.6.236.131,146.59.231.4] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 14"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520013; 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;)