alert tcp [136.244.111.163,138.197.124.121,138.249.138.120,138.249.138.122,138.249.138.123,138.249.138.124,138.249.138.125,138.249.138.126,138.249.138.127,138.249.138.128] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 12"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520011; rev:6363; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_08_31;)