alert tcp [141.76.72.140,141.98.11.62,142.249.174.12,143.20.166.14,143.20.185.77,144.126.147.123,144.6.236.131,146.59.231.4,147.90.234.115,147.90.234.116] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 15"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520014; 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;)