alert tcp [93.99.104.128,93.99.104.18,93.99.104.194,93.99.104.40,94.142.241.194,94.142.244.16,94.156.152.8,94.16.115.121,94.16.116.81,94.230.208.147] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 138"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520137; rev:6316; metadata:affected_product Any, attack_target Any, deployment Perimeter, tag TOR, signature_severity Informational, created_at 2008_12_01, updated_at 2026_07_15;)