alert tcp [199.195.248.168,199.195.251.119,199.195.253.124,199.195.253.156,199.195.253.180,200.122.181.2,202.181.177.206,203.12.31.101,203.12.31.87,203.12.31.99] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 67"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520066; 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;)