alert tcp [194.15.113.118,194.15.115.204,194.15.115.212,194.15.36.117,194.156.89.134,194.163.136.187,194.163.157.49,194.26.192.101,194.26.192.186,194.26.192.22] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 63"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520062; 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;)