alert tcp [103.193.179.233,103.20.241.102,103.247.61.20,103.253.24.18,103.28.52.93,103.91.65.44,104.167.241.4,104.167.242.117,104.167.242.118,104.192.3.74] any -> $HOME_NET any (msg:"ET TOR Known Tor Exit Node Traffic group 2"; reference:url,check.torproject.org/torbulkexitlist; threshold:type limit, track by_src, seconds 60, count 1; classtype:misc-attack; flowbits:set,ET.TorIP; sid:2520001; 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;)